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Fujiwara Koji  藤原 耕二

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… Alternative Names

FUJIWARA Koji  藤原 耕二

藤原 耕二  フジワラ コウジ

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Researcher Number 60229078
Affiliation (Current) 2022: 京都大学, 理学研究科, 教授
Affiliation (based on the past Project Information) *help 2014 – 2022: 京都大学, 理学研究科, 教授
2012 – 2016: 京都大学, 理学(系)研究科(研究院), 教授
2015: 京都大学, 大学院理学研究科, 教授
2014: 東北大学, 大学院情報科学研究科, 教授
2013: 京都大学, 大学院・理学研究科, 教授 … More
2012: 京都大学, 理学研究科, 教授
2007 – 2012: Tohoku University, Information Sciences, Professor
2011: 東北大学, 情報科学研究科, 教授
2008: 東北大学, 大学院・情報学研究科, 教授
2007: 東北大学, 大学院・研究科, 教授
2007: Tohoku University, Department of Information Science, Professor
2005 – 2006: 東北大学, 大学院理学研究科, 助教授
2005 – 2006: 東北大学, 理学研究科, 助教授
2000 – 2005: 東北大学, 大学院・理学研究科, 助教授
2002: Tbhoku University, Mathematical Institute, Ass. Prof., 大学院・理学系研究科, 助教授
1998: 慶應大, 理工学部, 講師
1998: 東北大学, 大学院・理学研究科, 助教授
1996 – 1997: 慶應義塾大学, 理工学部, 専任講師
1995: 慶應義塾大学, 理工学部, 助手
1995: 慶應義塾大学, 理工学部・数理科学科, 助手
1992: 慶応義塾大学, 理工学部, 助手
1992: 慶應義塾大学, 理工学部, 助手 Less
Review Section/Research Field
Principal Investigator
Geometry / Geometry / Science education / Medium-sized Section 11:Algebra, geometry, and related fields
Except Principal Investigator
Geometry / Geometry / Global analysis / 代数学・幾何学 / General mathematics (including Probability theory/Statistical mathematics) / Basic analysis / Medium-sized Section 11:Algebra, geometry, and related fields
Keywords
Principal Investigator
双曲群 / 写像類群 / 離散群 / 擬準同型 / 幾何学的群論 / 有界コホモロジー / 漸近次元 / 増大度 / 3次元多様体 / 外部自己同型 … More / カーブグラフ / CAT(0)空間 / 交換子距離 / タイヒミュラー空間 / 作用素環論 / アレクサンドロフ空間 / 幾何学 / 測度集中 / 作用素環 / 距離幾何 / 双曲幾何 / 融合積 / Bass-Serre理論 / 自由群 / 有異コホモロジー / 格子 / 中心極限定理 / ランプライター群 / interval exchange transformation / 区間交換群 / 交換子長 / 対称空間 / 区間交換写像 / 離散群論 / simplicial volume / hyperbolic manifold / random groups / cat (0) cube complex / Alexandrov spaces / quasi-homomorphisms / p-harmonic map / 微分幾何 / 微分トポロジー / 群論 / トポロジー / 無限離散群 / 数学 / 科学コミュニケーション / ジャーナリスト・イン・レジデンス / アウトリーチ / Discrete groups / CAT(0) spaces / JSJ分解 / グラフ分解 / 格子部分群 / 有界生成性 / JSJ decomposition / 3-manifolds / Graph decomposition / 負曲率多様体 / 擬ツリー / 従順群 / property T / リーマン幾何 / property (T) / C*-algebra / metric measure geometry / collapsing / リーマン幾何学 / 群環 / 自由群の外部自己同型群 … More
Except Principal Investigator
剛性 / 微分同相群 / 幾何学 / 3次元多様体 / 位相不変量 / 写像類群 / 結晶格子 / 葉層構造 / 幾何構造 / 離散群 / 調和写像 / グラフ / シンプレクティック幾何学 / アノソフ流 / 3次元トポロジー / 体積 / 多様体 / 力学系 / 測度距離空間 / クライン群 / harmonic map / 3次元多様体 / 幾何学的群論 / ランダムウォーク / 磁場付き推移作用素 / コボルディズム / 複素双曲多様体 / 剛性問題 / 位相幾何 / 双曲幾何 / 錐多様体 / 2次特性類 / 固定点性質 / 非正曲率空間 / リーマン面 / モジュライ空間 / シンプレクティック微分 / トポロジー / 分類空間 / 微分トポロジー / 計算機支援 / 2次特性類 / 解析学 / リッチ曲率 / 無限群 / 中心極限定理 / ハーパー作用素 / 大偏差原理 / Kleinian group / large deviation / crystal lattice / rigidity / 擬共形4元数構造 / 一意化 / Uniformization / エネルギー汎関数 / ラプラシアン / 結び目 / 不変量 / スパイン / 組み紐群 / 量子群 / ポアソン環 / 安定分布 / 安定過程 / 自己相似過程 / ランダム媒質 / レビー過程 / 離散数学 / 閉路 / アルゴリズム / ヘゴール分解 / 双曲多様体 / 変形量子化 / 非可換多様体 / 接触幾何学 / 非可換幾何学 / 推移確率 / 閉測地線 / 相関関数 / 幾何不変量 / 4元数双曲多様体 / カスプ切断 / ハイゼンバーグ冪零多様体 / エータ不変量 / バーンズエプシュタイン不変量 / Cobordism / Complex hyerbolic manifold / Quaternionic hyperbolic manifold / Cusp / Heisenberg Infranilmanifold / eta-invariant / Burns-Epstein invariant / CAT space / 非コンパクト半単純リー群 / 非コンパクト半単純高階リー群 / Weyl chamber流 / 松島の消滅定理 / Weilの消滅定理 / 葉層構造の無限小剛性 / 調和写像と剛性 / ランダム群 / フレアコホモロジーの障害・変形理論 / リー群の離散部部分群 / half transvectionで生成される群 / 微分同相群の完全性 / 擬準同型 / 非正曲率距離空間 / 4次元多様体 / 自由群 / 葉層構造の特性類 / Gel'fand-Kalinin-Fuks理論 / 絶対ガロア群 / 局所化 / 量子化予想 / ホモロジーシリンダー / ホモロジー3球面 / ゲージ理論 / ループ空間 / Hamiltonベクトル場 / 有限型不変量 / 実解析的微分同相群 / Morita-Mumford類 / 離散部分群 / 位相亜群 / 3次元トポロジー / 等角写像 / 単葉函数 / 双曲計量 / 錐特異性 / シュワルツ微分 / 極値問題 / 擬等角写像 / 一様完全 / 面積不等式 / 幾何学的函数論 / 変動領域 / 単葉性判定法 / シュワルツ補題 / ベキ変形 / グルンスキー係数 / ベキ行列 / 退化ベルトラミ方程式 / 半円環 / 微分幾何学 / 位相幾何学 / 複素幾何学 / 代数幾何学 / ミラー対称性 / ラグランジュ部分多様体 / 仮想ホモロジー類 / 深谷圏 / 代数学 / シンプレクティック多様体 / フレアーホモロジー / 測度の集中現象 / Levy族 / オブザーバブル距離 / 曲率次元条件 / ラプラシアンの固有値 / ガウス測度 / 球面 / レビ族 / オブザーバブル直径 / セパレーション距離 / 相転移性質 / 無限次元空間 / リーマン多様体 / オブザーバブル直径・距離 / ピラミッド / 測度集中 / 空間形 / 野性的空間 / 微分幾何 / 群論 / 離散的ラプラシアン / アルバネーゼ写像 / 標準的実現 / グラフの調和写像 / 格子振動 / 離散幾何学 / スペクトル幾何 / 固有値 / Discrete Laplacian / Crystal Lattice / Harper Operator / Central Limit Theorem / アノソフ系 / 有界コホモロジー / 射影的アノソフ流 / スペクトル / 高階アーベル群のアノソフ作用 / 無限小剛性 / 組合せ的調和写像 / 等長作用に対する固定点定理 / スペクトル端のリプシッツ連続性 / CAT(O)-次元 / 群作用 / Klein群 / Gelfand-Fuks コホモロジー / キャリブレーション形式 / Anosov systems / bounded cohomology / projectively Anosov flow / rigidity problem / spectrum / 離散幾何解析学 / ランダム・ウォーク / 多面体 / 離散幾何解析 / 大偏差理論 / 磁場つき離散シュレディンガー作用素 / 乱歩 / エントロピー関数 / describe geometric analysis / random walk / 指数定理 / 共形平坦 / ユニタリ表現 / discrete groups / index theorem / conformally flat / 擬共形4元数CR構造 / 4元数CR幾何学 / 共形不変量 / 障害類 / 消滅 / Quaternionic Kahler structure / Contact Structure / CR-structure / Sasakion3-structune / Heisenberg CR-structure / quaternionic hyperbolic space / noncompact Lie group action / flatness / Quaternionic CR / Quaternionic Kahler / Sasakian 3-structure / Contact form / Complex contact structure / Integrability / psendo-Riemann metric / Einstein metric / Pseudo-conformal auaternionic structure / Gemetric structure / Quaternionic CRstructure / Pseudo-conformal auaternionic CR structure / Conformal structure / Vanishing / Obstruction / 変分収束 / グロモフ-ハウスドルフ収束 / CAT空間 / ポアンカレ不等式 / Gromov-Hausdorff / Gromov-Hausdorff収束 / variational convergence / Gromov-Hausdorff convergence / energy functional / CAT-space / Poincare inequality / measured metric space / magnetic transition operators / central limit theorem / 単体複体 / discrete group / nonpositively curved space / fixed-point property / simplicial complex / 変換群 / 群の幾何的理論 / 特性類 / 群作用のダイナミクス / 不変集合 / 無限変換群 / 曲面束 / 幾何的群論 / 横断構造 / 接触構造 / 極小集合 / 区分線形構造 / 等長変換群 / infinite groups / transformation grouns / geometric theory of groups / diffeomorphism groups / classifying spaces / characteristic classes / dynamics of group actions / invariant sets / Floerホモトピー型 / タイヒミュラー空間 / 双曲群 / 森田-マンフォード類 / 写像群類 / Teichmuller空間 / サイバーグ・ウィッテン理論 / 双曲幾何学 / Alexander多項式 / Magnus展開 / トーション / 等長変換 / mapping class group / Riemann surface / moduli space / Floer homotopy type / diffeomorphism group / Teichmuller space / hyperbolic group / Morita-Mumford class / 擬共形四元数CR幾何 / 展開写像対 / 幾何一意化 / ホロノミ群 / ローレンツ多様体 / 幾何的剛性 / 極限集合 / 非球形多様体 / 展開写像 / ホロノミー群 / 非球形空間 / ローレンツ空間 / 冪零多様体 / Seifert Fiber space / 可解多様体 / 表現 / 普遍モデル / 擬共形4元数CR幾何構造 / Chern-Moser曲率形式 / Spherical CR幾何 / パラボリック幾何 / 擬共形4元数CR曲率 / 標準平坦モデル / Quaterninbic CR structure / Pseudo-conformal quaterninic structure / Cusp- cross section / Heisenberg nilmanifold / Complex hyperbolic manifold / Homogenous space / Seifert Rigidity / アレクサンドロフ空間 / Bishop-Gromov条件 / 有界変動関数 / グリーンの公式 / 分割定理 / 比較定理 / Geometry / Analysis / 実験数学 / 曲面 / 低次元トポロジー / 量子トポロジー Less
  • Research Projects

    (43 results)
  • Research Products

    (354 results)
  • Co-Researchers

    (121 People)
  •  3次元双曲多様体上の量子トポロジー

    • Principal Investigator
      大槻 知忠
    • Project Period (FY)
      2021 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 11:Algebra, geometry, and related fields
    • Research Institution
      Kyoto University
  •  幾何学的群論における新しい指導的理論の確立Principal Investigator

    • Principal Investigator
      藤原 耕二
    • Project Period (FY)
      2020 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 11:Algebra, geometry, and related fields
    • Research Institution
      Kyoto University
  •  結び目と3次元多様体の量子トポロジー

    • Principal Investigator
      大槻 知忠
    • Project Period (FY)
      2016 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Kyoto University
  •  Topology related with surfaces and 3-mainfolds

    • Principal Investigator
      Kojima Sadayoshi
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Institute of Technology
  •  幾何学的群論の深化と展開Principal Investigator

    • Principal Investigator
      藤原 耕二
    • Project Period (FY)
      2015 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Geometry
    • Research Institution
      Kyoto University
  •  Science communication in Mathematics from researchers to the societyPrincipal Investigator

    • Principal Investigator
      Fujiwara Koji
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Science education
    • Research Institution
      Kyoto University
  •  New developments in infinite groups and geometry

    • Principal Investigator
      Tsuboi Takashi
    • Project Period (FY)
      2012 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Geometry
    • Research Institution
      The University of Tokyo
  •  Proof of Homological Mirror Symmetry

    • Principal Investigator
      Fukaya Kenji
    • Project Period (FY)
      2011 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Geometry
    • Research Institution
      Kyoto University
  •  Geometric group theory and metric embeddingPrincipal Investigator

    • Principal Investigator
      Fujiwara Koji
    • Project Period (FY)
      2011 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Kyoto University
      Tohoku University
  •  Geometry of measure concentration and curvature

    • Principal Investigator
      SHIOYA Takashi
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Automorphisms of groups and limit elementsPrincipal Investigator

    • Principal Investigator
      FUJIWARA Koji
    • Project Period (FY)
      2011 – 2012
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Geometry
    • Research Institution
      Kyoto University
      Tohoku University
  •  Deepening three-manifold theory

    • Principal Investigator
      KOJIMA Sadayoshi
    • Project Period (FY)
      2010 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Institute of Technology
  •  Various aspects on the study of Geometric Function Theory

    • Principal Investigator
      SUGAWA Toshiyuki
    • Project Period (FY)
      2010 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Tohoku University
  •  Groups of diffeomorphisms of manifolds

    • Principal Investigator
      TSUBOI Takashi
    • Project Period (FY)
      2008 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      The University of Tokyo
  •  Geometry of Groups and Moduli Spaces (2)

    • Principal Investigator
      MORITA Shigeyuki
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      The University of Tokyo
  •  Study on Geometric group theoryPrincipal Investigator

    • Principal Investigator
      FUJIWARA Koji
    • Project Period (FY)
      2007 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Geometry and Invariants of 3-manifolds

    • Principal Investigator
      KOJIMA Sadayoshi
    • Project Period (FY)
      2006 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Institute of Technology
  •  A differential geometric approach to discrete group theory

    • Principal Investigator
      IZEKI Hiroyasu
    • Project Period (FY)
      2006 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Various aspects of rigidity problems

    • Principal Investigator
      KANAI Masahiko
    • Project Period (FY)
      2005 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Nagoya University
  •  Research on Geometric invariant on Manifolds and Lie transformation groups

    • Principal Investigator
      KAMISHIMA Yoshinobu
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Metropolitan University
  •  Geometric group theory and hyperbolic geometryPrincipal Investigator

    • Principal Investigator
      FUJIWARA Koji
    • Project Period (FY)
      2005 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Gromov-Hausdorff convergence and a theory of variational convergences

    • Principal Investigator
      SHIOYA Takashi
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  ハイゼンバーグ多様体上のintrinsic不変量とextrinsic不変量

    • Principal Investigator
      KAMISHIMA Yoshinobu
    • Project Period (FY)
      2004 – 2005
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Geometry
    • Research Institution
      Tokyo Metropolitan University
  •  Various aspects of infinite groups of transformations acting on manifolds

    • Principal Investigator
      TSUBOI Takashi
    • Project Period (FY)
      2004 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      The University of Tokyo
  •  Geometry of Groups and Moduli Spaces

    • Principal Investigator
      MORITA Shigeyuki
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      UNIVERSITY OF TOKYO
  •  Combinatorial harmonic maps and a rigidity of discrete-group actions

    • Principal Investigator
      IZEKI Hiroyasu
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Invariants On the Geometric Manifolds with Group Actions

    • Principal Investigator
      KAMISHIMA Yoshinobu
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Metropolitan University
  •  Geometric study of infinite discrete groupsPrincipal Investigator

    • Principal Investigator
      FUJIWARA Koji
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Convergence of Riemannian manifolds and spectrum of Laplacian

    • Principal Investigator
      SHIOYA Takashi
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  The standard realization of crystal lattices and spectra of magnetic transition operators

    • Principal Investigator
      KOTANI Motoko
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Commutative and Non-commutative Bloch Theory

    • Principal Investigator
      SUNADA Toshikazu
    • Project Period (FY)
      2001 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Global analysis
    • Research Institution
      Meiji University
      Tohoku University
  •  Rigidity of discrete groups and index theorems

    • Principal Investigator
      IZEKI Hiroyasu
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  グラフの調和写像と離散群の表現

    • Principal Investigator
      KOTANI Motoko
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  自由群の外部自己同型の幾何学的研究Principal Investigator

    • Principal Investigator
      藤原 耕二
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Diffeomorphism groups --from a view point of rigidity problem

    • Principal Investigator
      KANAI Masahiko
    • Project Period (FY)
      2000 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Nagoya University
  •  Fundamental Research of Discrete Geometric Analysis and Its Applications

    • Principal Investigator
      SUNADA Toshikazu
    • Project Period (FY)
      1998 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (A).
    • Research Field
      Global analysis
    • Research Institution
      Tohoku University
  •  離散群の分解と低次元トポロジーPrincipal Investigator

    • Principal Investigator
      藤原 耕二
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Keio University
  •  非可換微分幾何学の構築

    • Principal Investigator
      前田 吉昭
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Geometry
    • Research Institution
      Keio University
  •  多様体の組合せ構造の研究

    • Principal Investigator
      石井 一平
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Keio University
  •  組合せ論の研究

    • Principal Investigator
      榎本 彦衛
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Keio University
  •  離散群の2次元、3次元有界コホモロジーの計算Principal Investigator

    • Principal Investigator
      藤原 耕二
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Keio University
  •  3次元多様体の組合せ的位相不変量と関連諸問題の研究

    • Principal Investigator
      石井 一平
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Keio University
  •  安定過程の研究

    • Principal Investigator
      前島 信
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Institution
      Keio University

All 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2002 Other

All Journal Article Presentation Book

  • [Book] サイコム2016 京都大学理学研究科・科学ライティング講座2017

    • Author(s)
      藤原耕二(編集)
    • Total Pages
      57
    • Publisher
      京都大学数学教室
    • Data Source
      KAKENHI-PROJECT-26560087
  • [Book] Geometry and topology of manifolds, Springer Proc. Math. Stat., 154,2016

    • Author(s)
      Koji Fujiwara etal
    • Publisher
      Springer
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Book] Foundations of Rigid Geometry2014

    • Author(s)
      K. Fujiwara, F. Kato
    • Publisher
      to appear in European Mathematical Society Monographs in Mathematics (EMM)
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Book] Handbook of Teichmuller Theory, Volume II2009

    • Author(s)
      Koji Fujiwara, et al
    • Total Pages
      883
    • Publisher
      European Math Society
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Book] 微分幾何学の最先端2005

    • Author(s)
      藤原耕二, 中島啓 他
    • Total Pages
      275
    • Publisher
      培風館
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] Computing Kazhdan constants by semidefinite programming.2020

    • Author(s)
      Fujiwara Koji、Kabaya Yuichi
    • Journal Title

      Enseign. Math.

      Volume: 印刷中 Pages: 301-312

    • DOI

      10.1080/10586458.2017.1396509

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26800038, KAKENHI-PROJECT-15H05739
  • [Journal Article] The verbal width of acylindrically hyperbolic groups2019

    • Author(s)
      Bestvina, Mladen, Bromberg, Kenneth, Fujiwara, Koji
    • Journal Title

      Algebraic & Geometric Topology

      Volume: 19 Pages: 477-489

    • DOI

      10.2140/agt.2019.19.477

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739, KAKENHI-PROJECT-16H02145
  • [Journal Article] Constructing group actions on quasi-trees.2019

    • Author(s)
      T. Arakawa
    • Journal Title

      Proceedings of the International Congress of Mathematicians;Rio de Janeiro 2018.

      Volume: 1 Pages: 1087-1114

    • DOI

      10.1142/11060

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19KK0065, KAKENHI-PROJECT-15H05739
  • [Journal Article] Handlebody subgroups in a mapping class group.2017

    • Author(s)
      Bestvina, Mladen; Fujiwara, Koji
    • Journal Title

      Contemp. Math. "In the tradition of Ahlfors-Bers. VII". AMS.

      Volume: 696 Pages: 29-50

    • DOI

      10.1007/978-4-431-56021-0_7

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Journal Article] Handlebody subgroups in a mapping class group2017

    • Author(s)
      M. Bestvina and K. Fujiwara
    • Journal Title

      Contemporary Math.

      Volume: 696 Pages: 29-50

    • DOI

      10.1090/conm/696

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Journal Article] On quasihomomorphisms with noncommutative targets.2016

    • Author(s)
      K. Fujiwara and M. Kapovich
    • Journal Title

      Geom. Funct. Anal.

      Volume: 26 Pages: 478-519

    • DOI

      10.1007/s00039-016-0364-9

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619, KAKENHI-PROJECT-15H05739
  • [Journal Article] Bounded cohomology with coefficients in uniformly convex Banach spaces.2016

    • Author(s)
      Bestvina, Mladen; Bromberg, Ken; Fujiwara, Koji
    • Journal Title

      Comment. Math. Helv.

      Volume: 91 Pages: 203-218

    • DOI

      10.4171/cmh/383

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-15H03619, KAKENHI-PROJECT-15H05739
  • [Journal Article] On quasihomomorphisms with noncommutative targets2016

    • Author(s)
      Fujiwara, Koji; Kapovich, Michael
    • Journal Title

      Geom. Funct. Anal.

      Volume: 26 Pages: 478-519

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Journal Article] Constructing group actions on quasi-trees and applications.2016

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Sugaku

      Volume: 68 Pages: 113-128

    • NAID

      130006725305

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Journal Article] Stable commutator lengths on mapping class groups2016

    • Author(s)
      Bestvina, Mladen; Bromberg, Ken; Fujiwara, Koji
    • Journal Title

      Ann, Inst. Fourier

      Volume: 66 Pages: 871-898

    • DOI

      10.5802/aif.3028

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-15H03619, KAKENHI-PROJECT-15H05739
  • [Journal Article] Subgroups generated by two pseudo-Anosov elements in a mapping class group. II. Uniform bound on exponents2015

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Trans. Amer. Math. Soc.

      Volume: 367 Pages: 4377-4405

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Journal Article] Asymptotically isometric metrics on relatively hyperbolic groups and marked length spectrum.2015

    • Author(s)
      K. Fujiwara
    • Journal Title

      Journal of Topology and Analysis

      Volume: 7 Pages: 345-359

    • DOI

      10.1142/s1793525315500132

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-23224002, KAKENHI-PROJECT-23244005, KAKENHI-PROJECT-15H03619, KAKENHI-PROJECT-15H05739
  • [Journal Article] Counting subgroups in hyperbolic graphs with symmetry2015

    • Author(s)
      D. Calegari and K. Fujiwara
    • Journal Title

      J. Math. Soc. Japan

      Volume: 未定

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Constructing group actions on quasi-trees and applications to mapping class groups.2015

    • Author(s)
      M. Bestvina, K. Bromberg and K. Fujiwara
    • Journal Title

      Publ. Math. Inst. Hautes Etudes Sci

      Volume: Published online Pages: 1-64

    • DOI

      10.1007/s10240-014-0067-4

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-23224002, KAKENHI-PROJECT-23244005, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-15H03619, KAKENHI-PROJECT-15H05739
  • [Journal Article] Subgroups generated by two pseudo-Anosov elements in a mapping class group. II. Uniform bound on exponents2015

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Trans. Amer. Math. Soc

      Volume: 367 Pages: 4377-4405

    • DOI

      10.1090/s0002-9947-2014-06292-2

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23224002, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-15H05739
  • [Journal Article] Counting subgraphs in hyperbolic graphs with symmetry2015

    • Author(s)
      Calegari, Danny; Fujiwara, Koji
    • Journal Title

      J. Math. Soc. Japan

      Volume: 67 Issue: 3 Pages: 1213-1226

    • DOI

      10.2969/jmsj/06731213

    • NAID

      130005094188

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Language
      English
    • Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23224002, KAKENHI-PROJECT-15H03619, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-15H05739
  • [Journal Article] Subgroups generated by two pseudo-Anosov elements in a mapping class group. II. Uniform bound on exponents2015

    • Author(s)
      K. Fujiwara
    • Journal Title

      Trans. Amer. Math. Soc.

      Volume: 未定

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Shearing coordinates and convexity of length functions on Teichmueller space2014

    • Author(s)
      K. Bromberg, M. Bestvina, K. Fujiwara
    • Journal Title

      To appear in American Journal of Mathematics

      Volume: to appear

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Journal Article] Counting subgraphs in hyperbolic graphs with symmetry.2014

    • Author(s)
      Calegari, K. Fujiwara,
    • Journal Title

      Journal of the Mathematical Society of Japan

      Volume: -

    • NAID

      130005094188

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Subgroups generated by two pseudo-Anosov elements in a mapping class group. II. Uniform bound on exponents.2014

    • Author(s)
      K. Fujiwara.
    • Journal Title

      Trans. Amer. Math Soc.

      Volume: -

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Shearing coordinates and convexity of length functions on Teichmueller space.2013

    • Author(s)
      M. Bestvina, K. Bromberg, K. Fujiwara, J. Souto.
    • Journal Title

      Amer. J. Math.

      Volume: 135 Pages: 1449-1476

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Journal Article] Free groups of interval exchange transformations are rare2013

    • Author(s)
      Francois Dahmani, Koji Fujiwara, Vincent Guirardel
    • Journal Title

      Groups, Geometry, and Dynamics

      Volume: 7 Pages: 883-910

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Journal Article] Shearing coordinates and convexity of length functions on Teichmueller space2013

    • Author(s)
      M. Bestvina, K. Bromberg, K. Fujiwara and J. Souto
    • Journal Title

      American Journal of Mathematics

      Volume: 135 Pages: 1449-1476

    • DOI

      10.1353/ajm.2013.0049

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Geometry of the Funk metric on Weil-Petersson spaces.2013

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Math. Z

      Volume: 274no. 1-2 Pages: 647-665

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Geometry of the Funk metric on Weil-Petersson spaces2013

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Math. Zeit .Nov

      Volume: 274(1-2) Pages: 647-665

    • DOI

      10.1007/s00209-012-1089-6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23224002, KAKENHI-PROJECT-23244005, KAKENHI-PROJECT-23654019
  • [Journal Article] Guirardel, Vincent Free groups of interval exchange transformations are rare2013

    • Author(s)
      Dahmani, Francois ; Fujiwara, Koji
    • Journal Title

      Groups Geom. Dyn

      Volume: 7, no.4 Pages: 883-910

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540066
  • [Journal Article] Free groups of interval exchange transformations are rare2013

    • Author(s)
      F. Dahmani, K. Fujiwara and V. Guirardel
    • Journal Title

      Groups, Geometry, and Dynamics

      Volume: 7 Pages: 883-910

    • DOI

      10.4171/ggd/209

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Geometry of the Funk metric on Weil-Petersson spaces2013

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Math. Z

      Volume: 274, no.1-2 Pages: 647-665

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540066
  • [Journal Article] Free groups of interval exchange transformations are rare2013

    • Author(s)
      Dahmani, Francois; Fujiwara, Koji; Guirardel, Vincent
    • Journal Title

      Groups Geom. Dyn.

      Volume: 7 no. 4, . Pages: 883-910

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Shearing coordinates and convexity of length functions on Teichmüller space.2013

    • Author(s)
      Bestvina, M.; Bromberg, K.; Fujiwara, K.; Souto, J.
    • Journal Title

      Amer. J. Math.

      Volume: 135 no. 6 Pages: 1449-1476

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Random groups have fixed points on CAT(0) cube complexes2012

    • Author(s)
      Koji Fujiwara, Tetsu Toyoda
    • Journal Title

      Journal : Proc.Amer.Math.Soc.

      Volume: 140 Pages: 1023-1031

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Random groups have fixed points on CAT(0) cube complexes2012

    • Author(s)
      Koji Fujiwara, Tetsu Toyoda
    • Journal Title

      Proc. Amer. Math. Soc.

      Volume: 140 Pages: 1023-1031

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Journal Article] Random groups have fixed points on CAT(0) cube complexes2012

    • Author(s)
      Koji Fujiwara, Tetsu Toyoda
    • Journal Title

      Proc. Amer. Math. Soc

      Volume: 140, Number 3 Pages: 1023-1031

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Journal Article] Random groups have fixed points on CAT(0) cube complexes2012

    • Author(s)
      Koji Fujiwara and Tetsu Toyoda (K. Fujiwara)
    • Journal Title

      Proc. Amer. Math. Soc

      Volume: 140 Pages: 1023-1031

    • DOI

      10.1090/s0002-9939-2011-11343-1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-23244005, KAKENHI-PROJECT-24224002
  • [Journal Article] Random groups have fixed points on CAT(O) cube complexes2012

    • Author(s)
      K.Fujiwara, T.Toyoda
    • Journal Title

      Proceedings of American Mathematical Societry

      Volume: (To appear)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Toyoda, Tetsu Random groups have fixed points on CAT(0) cube complexes2012

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Proc. Amer. Math. Soc

      Volume: 140, no.3 Pages: 1023-1031

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540066
  • [Journal Article] Simplicial volume and fillings of hyperbolic manifolds.2011

    • Author(s)
      Koji Fujiwara, Jason Fox Manning.
    • Journal Title

      Algebraic & Geometric Topology.

      Volume: 11 Pages: 2237-2264

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Journal Article] Manning, Jason Fox Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Algebr. Geom. Topol

      Volume: 11, no.4 Pages: 2237-2264

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540066
  • [Journal Article] Jason Fox Manning. Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Algebraic & Geometric Topology.

      Volume: 11 Pages: 2237-2264

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Journal Article] Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      Koji Fujiwara and Jason Fox Manning
    • Journal Title

      Algebr. Geom. Topol.

      Volume: 11 Pages: 2237-2264

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540066
  • [Journal Article] Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      Fujiwara, Koji; Manning, Jason Fox
    • Journal Title

      Algebr.Geom.Topol.

      Volume: 11, no.4 Pages: 2237-2264

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Journal Article] Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      K.Fujiwara, J.Manning
    • Journal Title

      Algebraic and Geometric Topology

      Volume: 11 Pages: 2237-2264

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Stable commutator length in word-hyperbolic groups.2010

    • Author(s)
      Danny Calegari, K.Fujiwara.
    • Journal Title

      Groups, Geometry, and Dynamics

      Volume: 4 Pages: 59-90

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Stable commutator length in word-hyperbolic groups.2010

    • Author(s)
      Danny Calegari, K.Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics. Volume 4, Issue 1

      Pages: 59-90

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Rank one isometries of buildings and quasi-morphisms of Kac-Moody groups.2010

    • Author(s)
      Pierre-Emmanuel Caprace, Koji Fujiwara
    • Journal Title

      Geom.andFunct.Anal 19,Number5

      Pages: 1296-1319

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] CAT(0) and CAT(-1) fillings of hyperbolic manifolds.2010

    • Author(s)
      Koji Fujiwara, Jason Fox Manning
    • Journal Title

      Jour Diff Geometry Volume85,Numder2

      Pages: 229-270

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Combable functions, quasimorphisms, and the central limit theorem2010

    • Author(s)
      D.Calegari, K.Fujiwara
    • Journal Title

      Ergodic Theory Dynam.Systems

      Volume: 30 Pages: 1343-1369

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Rank one isometries of buildings and quasi-morphisms of Kac-Moody groups.2010

    • Author(s)
      Pierre-Emmanuel Caprace, Koji Fujiwara
    • Journal Title

      Geom.and Funct.Anal. 19

      Pages: 1296-1319

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] CAT(O) and CAT(1) fillings of hyperbolic manifolds2010

    • Author(s)
      Koji Fujiwara, Jason Fox Manning
    • Journal Title

      Jour.Diff.Geometry

      Volume: 85 Pages: 229-270

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Stable commutator length in word-hyperbolic groups2010

    • Author(s)
      Danny Calegari, K. Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics Volume 4, Issue 1

      Pages: 59-90

    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Combable functions, quasimorphisms, and the central limit theorem.2010

    • Author(s)
      Danny Calegari, Koji Fujiwara
    • Journal Title

      Ergodic Theory and Dynamical Systems. 30

      Pages: 1343-1369

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Stable commutator length in word-hyperbolic groups2010

    • Author(s)
      D. Calegari, K. Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics 4

      Pages: 59-90

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] Rank one isometries of buildings and quasi-morphisms of Kac-Moody groups2010

    • Author(s)
      Pierre-Emmanuel Caprace, Koji Fujiwara
    • Journal Title

      Geom. and Funct. Anal. 19, Number 5

      Pages: 1296-1319

    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Stable commutator length in word-hyperbolic groups.2010

    • Author(s)
      Danny Calegari, K.Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics 4

      Pages: 59-90

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Rank one isometries of buildings and quasi-morphisms of Kac-Moody groups2010

    • Author(s)
      Pierre-Emmanuel Caprace, Koji Fujiwara
    • Journal Title

      Geom.and Funct.Anal

      Volume: 19 Pages: 1296-1319

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] CAT (0) and CAT (-1) fillings of hyperbolic manifolds2010

    • Author(s)
      K.Fujiwara, J.Manning
    • Journal Title

      J, Differential Geometry

      Volume: 85 Pages: 229-269

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Journal Article] Combable functions, quasimorphisms, and the central limit theorem2010

    • Author(s)
      Danny Calegari, Koji Fujiwara
    • Journal Title

      Ergodic Theory and Dynamical Systems

      Volume: 30 Pages: 1343-1369

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Rank one isometries of buildings and quasi-morphisms of Kac-Moody groups2010

    • Author(s)
      P-E. Caprace, K. Fujiwara
    • Journal Title

      Geom. and Funct. Anal. 19

      Pages: 296-1319

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] A characterization of higher rank symmetric spaces via bounded cohomology2009

    • Author(s)
      M. Bestvina, K. Fujiwara
    • Journal Title

      Geom. and Funct. Anal. 19

      Pages: 11-40

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] Quasi homomorphisms on mapping class groups2009

    • Author(s)
      K.Fujiwara
    • Journal Title

      Handbook of Teichmuller Theory(EMS) Volume II

      Pages: 241-270

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Copies of a one-ended group in a Mapping Class Group2009

    • Author(s)
      F. Dahmani, K. Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics 3

      Pages: 359-377

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] A characterization of higher rank symmetric spaces via bounded cohomology.2009

    • Author(s)
      M.Bestvina, K.Fujiwara
    • Journal Title

      Geom.and Funct.Anal. 19

      Pages: 11-40

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Copies of a one-ended group in a Mapping Class Group2009

    • Author(s)
      Francois Dahmani, Koji Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics 3

      Pages: 359-377

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] A characterization of higher rank symmetric spaces via bounded cohomology.2009

    • Author(s)
      M.Bestvina, K.Fujiwara
    • Journal Title

      Geom.and Funct.Anal 19,no 1

      Pages: 11-40

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Copies of a one-ended group in a Mapping Class Group.2009

    • Author(s)
      Francois Dahmani, Koji Fujiwara
    • Journal Title

      Groups, Geometry, and Dynamics Volume 3, Issue 3

      Pages: 359-377

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] A characterization of higher rank symmetric spaces via bounded cohomology2009

    • Author(s)
      M. Bestvina, K. Fujiwara
    • Journal Title

      Geom. and Funct. Anal. 19, no 1

      Pages: 11-40

    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] The asymptotic dimension of a curve graph is finite.2008

    • Author(s)
      G.Bell, K.Fujiwara
    • Journal Title

      J.London Math.Soc 77

      Pages: 33-50

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] he asymptotic dimension of a curve graph is finite2008

    • Author(s)
      G. Bell, K. Fujiwara
    • Journal Title

      J. London Math. Soc. 77

      Pages: 33-50

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] Subgroups generated by two pseudo-Anosov elements in a mapping class group. I. Uniform exponential growth.2008

    • Author(s)
      K.Fujiwara
    • Journal Title

      Groups of Diffeomorphisms (ASPM)(Mathematical Society of Japan) 52

      Pages: 283-296

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Subgroups generated by two pseudo-Anosov elements in a mapping class group. I. Uniform exponential growth2008

    • Author(s)
      Koji Fujiwara
    • Journal Title

      "Groups of Diffeomorphisms", Advanced studies of pure math, Mathematical Society of Japan 52

      Pages: 283-296

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] The asymptotic dimension of a curve graph is finite2008

    • Author(s)
      Bell, Gregory C. and Fujiwara, Koji
    • Journal Title

      J. Lond. Math. Soc (2)77 no.1

      Pages: 33-50

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] The asymptotic dimension of a curve graph is finite2008

    • Author(s)
      G. Bell, K. Fujiwara
    • Journal Title

      J. London Math. Soc 77

      Pages: 33-50

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      Fujiwara, Koji; Whyte, Kevin
    • Journal Title

      Algebr. Geom. Topol. 7

      Pages: 1063-1070

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      M. Bestvina. K. Fujiwara
    • Journal Title

      Glasnik Matematicki 42

      Pages: 213-236

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] Quasi-homomorphisms on mapping class groups.2007

    • Author(s)
      M.Bestvina, K.Fujiwara
    • Journal Title

      Glasnik Matematicki Vol.42,No.1

      Pages: 213-236

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      K. Fujiwara, M. Bestvina
    • Journal Title

      Glasnik Matematicki 42

      Pages: 213-236

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      Fujiwara, Koji and Whyte, Kevin
    • Journal Title

      Algebr. Geom. Topol 7

      Pages: 1063-1070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] A note on spaces of asymptotic dimension one.2007

    • Author(s)
      K.Fujiwara, K.Whyte
    • Journal Title

      Algebraic & Geometric Topology 7

      Pages: 1063-1070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      K. Fujiwara, K. Whyte
    • Journal Title

      Algebra. Geom. Top. 7

      Pages: 1063-1070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      Bestvina, Mladen and Fujiwara, Koji
    • Journal Title

      Glas. Mat. Ser 42(62) no.1

      Pages: 213-236

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      Koji Fujiwara and Kevin Whyte
    • Journal Title

      Algebr. Geom. Topol. 7

      Pages: 1063-1070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18540062
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      K.Fujiwara, K.Whyte
    • Journal Title

      Algebraic and Geometric Topology 7

      Pages: 1063-1070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      K. Fujiwara, K. Whyte
    • Journal Title

      Algebraic and Geometric Topology 7

      Pages: 1063-1070

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      Koji Fujiwara and Mladen Bestvina
    • Journal Title

      Glas. Mat. Ser. III 42

      Pages: 213-236

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18540062
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      Bestvina, Mladen; Fujiwara, Koji
    • Journal Title

      Glas. Mat. Ser. III 42(62)

      Pages: 213-236

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      Bestvina, Mladen: Fujiwara, Koji
    • Journal Title

      Glas. Mat. Ser. III 42( 62)

      Pages: 213-236

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] Quasi-homomorphisms on mapping class groups2007

    • Author(s)
      K.Fujiwara, M.Bestvina
    • Journal Title

      Glasnik Matematicki 42

      Pages: 213-236

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      Fujiwara, Koji; Whyte, Kevin
    • Journal Title

      Algebr. Geom. Topol 7

      Pages: 1063-1070

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] A note on spaces of asymptotic dimension one2007

    • Author(s)
      K. Fujiwara, K. Whyte
    • Journal Title

      Algebraic & Geometric Topology 7

      Pages: 1063-1070

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] P. Papasoglu : JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Geom. Funct. Anal 16no. 1

      Pages: 70-125

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      K.Fujiwara, P.Papasoglu
    • Journal Title

      Geom. Funct. Anal. 16

      Pages: 306-335

    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      K Fujiwara, P. papasoglu
    • Journal Title

      Geom. Funct. Anal. 16・1

      Pages: 70-125

    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      Koji Fujiwara, P. Papasoglu
    • Journal Title

      Geom. Funct. Anal. 16

      Pages: 70-125

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces.2006

    • Author(s)
      K.Fujiwara, K.Nagano, T.Shioya
    • Journal Title

      Comm. Math. Helv. 81

      Pages: 305-335

    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces2006

    • Author(s)
      K.Fujiwara, K.Nagano, T.Shioya
    • Journal Title

      Comm.Math.Helv. 81

      Pages: 305-335

    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      K.Fujiwara, P.Papasogulu
    • Journal Title

      Geom. and Funct. Anal. 16

      Pages: 70-125

    • Data Source
      KAKENHI-PROJECT-18540062
  • [Journal Article] Panos Ppasoglu, JSJ-decompositions of finitely presented groups and complexes of groups.2006

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Geom. Funct.Anal. 16, no 1

      Pages: 70-125

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups.2006

    • Author(s)
      K.Fujiwara, P.Papasoglu
    • Journal Title

      Geom. Funct. Anal. 16, no 1

      Pages: 70-125

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces.2006

    • Author(s)
      K. Fujiwara, K. Nagano, T. Shioya
    • Journal Title

      Comm. Math. Helv. 81

      Pages: 305-335

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      Fujiwara, K. and Papasoglu, P
    • Journal Title

      Geom. Funct. Anal 16 no. 1

      Pages: 70-125

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      K. Fujiwara, P. Papasoglu
    • Journal Title

      Geom. and Funct. Anal. 16

      Pages: 70-125

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] JSJ-decampositions of finitely psesented groups and complexes of groups2006

    • Author(s)
      FUJIWARA, Koji, Papasogla
    • Journal Title

      Geometric and Functional Analysis 16

      Pages: 120-125

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16204005
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces.2006

    • Author(s)
      K.Fujiwara, K.Nagano, T.Shioya
    • Journal Title

      Comment.Math.Helv. 81, no 2

      Pages: 305-335

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(O)-spaces.2006

    • Author(s)
      K.Fujiwara, K.Nagano, T.Shioya.
    • Journal Title

      Comm.Math.Helv. 81

      Pages: 305-335

    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] SJ-decompositions of finitely presented groups and complexes of Groups2006

    • Author(s)
      Kouji Fujiwara(共著)
    • Journal Title

      Geometric and Functional Analysis 16, No.1

    • Data Source
      KAKENHI-PROJECT-16654016
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces2006

    • Author(s)
      Koji Fujiwara, K.Nagano, T.Shioya.
    • Journal Title

      Comment. Math. Helv. 81,no 2

      Pages: 305-335

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] Fixed point set of parabolic isometries of CAT(0)-spaces2006

    • Author(s)
      K.Fujiwara, K.Nagano, T.Shioya
    • Journal Title

      Comm. Math. Helv. 81

      Pages: 305-335

    • Data Source
      KAKENHI-PROJECT-18540062
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces2006

    • Author(s)
      K. Fujiwara, K. Nagano, T. Shioya
    • Journal Title

      Comm. Math. Helv. 81

      Pages: 305-335

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      FUJIWARA, Koji, Papasoglu
    • Journal Title

      Geometric and Functional Analysis 16

      Pages: 70-125

    • Data Source
      KAKENHI-PROJECT-16204005
  • [Journal Article] JSJ-decomposition of finitely presented groups and complexes of curves2006

    • Author(s)
      Koji FUJIWARA, Papasoglu
    • Journal Title

      Geometric and Functional Analysis 16

      Pages: 70-125

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16204005
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(O)-spaces2006

    • Author(s)
      Fujiwara, Koji; Shioya, Takashi; Koichi Nagano
    • Journal Title

      Comment. Math. Helv. 81

      Pages: 305-335

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      K.Fujiwara, P.Papasoglu
    • Journal Title

      Geometric and Functional Analysis 16

      Pages: 70-125

    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(o)-spaces2006

    • Author(s)
      K.fujiwara, K.nagano, T.Shioya
    • Journal Title

      Comment. Math. Helv. 81・2

      Pages: 305-335

    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces2006

    • Author(s)
      Fujiwara, Koji; Shioya, Takashi; Koichi Nagano
    • Journal Title

      Comment. Math. Helv. 81

      Pages: 305-335

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] JSJ-decompositions of finitely presented groups and complexes of groups2006

    • Author(s)
      K.Fujiwara, P.Papasoglu
    • Journal Title

      Geometric and Functional Analysis 16, No 1

      Pages: 70-125

    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] On non bounded generation of discrete subgroups in rank-1 Lie group.2005

    • Author(s)
      Kouji Fujiwara
    • Journal Title

      Contemporary Mathematics of AMS 387

      Pages: 153-156

    • Data Source
      KAKENHI-PROJECT-16654016
  • [Journal Article] On non-bounded generation of discrete subgroups in rank-1 Lie group.2005

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Contemporary Math. 387

      Pages: 153-156

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] On non-bounded generation of discrete subgroups in rank-1 Lie group.2005

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Contemp. Math., "Geometry, spectral theory, groups, and dynamics" 387

      Pages: 153-156

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] On non-bounded generation of discrete subgroups in rank-1 Lie group2005

    • Author(s)
      FUJIWARA, Koji
    • Journal Title

      in "Geometry, spectral theory, groups, and dynamics", Contemp.Math., Amer.Math.Soc. 387

      Pages: 153-156

    • Data Source
      KAKENHI-PROJECT-17204004
  • [Journal Article] On non-bounded generation of discrete subgroups in rank-1 Lie group2005

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Contemp. Math 387

      Pages: 153-156

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] On non bounded generation of discrete subgroups in rank-1 Lie group2005

    • Author(s)
      K.Fujiwara
    • Journal Title

      Contemp.Math. 387

      Pages: 153-156

    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] On non-bounded generation of discrete subgroups in rank-1 Lie group2005

    • Author(s)
      Fujiwara, Koji
    • Journal Title

      Contemp. Math. 387

      Pages: 153-156

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] On non bounded generation of discrete subgroups in rank-1 Lie group2005

    • Author(s)
      FUJIWARA, Koji
    • Journal Title

      Contemporary Math. 387

      Pages: 153-156

    • Data Source
      KAKENHI-PROJECT-16204005
  • [Journal Article] On non bounded generation of discrete subgroups in rank-1 Lie group2005

    • Author(s)
      K. Fujiwara
    • Journal Title

      Contemp. Math. 387

      Pages: 153-156

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] On non bounded generation of discrete subgroups in rank-1 Lie group.2005

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Contemporary Math 387

      Pages: 153-156

    • Data Source
      KAKENHI-PROJECT-17540057
  • [Journal Article] On non bounded generation of subgroups in rank-1 Lie group2005

    • Author(s)
      Koji Fujiwara
    • Journal Title

      Contemporary Math. 387

      Pages: 153-156

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15540056
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Algeb.and Geom.Topol. 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540056
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Algebraic and geometric topology 4

      Pages: 861-891

    • Data Source
      KAKENHI-PROJECT-14540056
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0) dimensions2004

    • Author(s)
      藤原耕二
    • Journal Title

      Algebraic Geometric Topology 4

      Pages: 861-892

    • Data Source
      KAKENHI-PROJECT-16654016
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions.2004

    • Author(s)
      K.Fujiwara
    • Journal Title

      Algebraic and geometric topology 4

      Pages: 861-891

    • Data Source
      KAKENHI-PROJECT-13304012
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions.2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Algeb.and Geom.Topol. 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540056
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions2004

    • Author(s)
      K.Fujiwara
    • Journal Title

      Algebraic and geometric topology 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304012
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Algebraic and geometric topology 4

      Pages: 861-891

    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0) dimensions2004

    • Author(s)
      Koji Fujiwara, Takashi Shinya, et al.
    • Journal Title

      Algebraic and Geometric Topology 4

      Pages: 861-891

    • Data Source
      KAKENHI-PROJECT-15540056
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0) - dimensions2004

    • Author(s)
      FUJIWARA, Koji, Shioya
    • Journal Title

      Algebraic and Geometric Topology 4

      Pages: 861-891

    • Data Source
      KAKENHI-PROJECT-16204005
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Alg.and geon.topology 4

      Pages: 861-891

    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Parabolic isometries of CAT(0)spaces and CAT(0)-dimensions2004

    • Author(s)
      K. Fujiwara, T. Shioya, S. Yamagata
    • Journal Title

      Algebraic and geometric topology 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions.2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Algebraic and geometric topology. 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Parabolic isometrics of CAT(O) spaces and CAT(O)-dimensions2004

    • Author(s)
      K.Fujiwara
    • Journal Title

      Algebraic and geometric topology 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304012
  • [Journal Article] Parabolic isometries of CAT(0) spaces and CAT(0)-dimensions2004

    • Author(s)
      K.Fujiwara, T.Shioya, S.Yamagata
    • Journal Title

      Alg.and geom.topology 4

      Pages: 861-891

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] The second bounded cohomology of 3-manifold groups2002

    • Author(s)
      K.Fujiwara, K.Ohshika
    • Journal Title

      Publ.RIMS 38

      Pages: 347-354

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] On the outer automorphism group of a hyperbolic group.2002

    • Author(s)
      K.Fujiwara
    • Journal Title

      Israel J of Math. 131

      Pages: 277-284

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Bounded classes in the cohomology of manifolds2002

    • Author(s)
      K.Fujiwara, T.Soma
    • Journal Title

      Geom.Dedicata 92

      Pages: 73-85

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Bounded cohomology of subgroups of mapping class groups2002

    • Author(s)
      M.Bestvina, K.Fujiwara
    • Journal Title

      Geometry and Topology 6

      Pages: 69-89

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] The second bounded cohomology of 3-manifold groups.2002

    • Author(s)
      K.Fujiwara, K.Ohshika
    • Journal Title

      Publ.Res.Inst.Math Sci. 38, no.2

      Pages: 347-354

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] On the outer automorphism group of a hyperbolic group.2002

    • Author(s)
      K.Fujiwara
    • Journal Title

      Israel J.of Math 131

      Pages: 277-284

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Bounded classes in the cohomology of manifolds.2002

    • Author(s)
      K.Fujiwara, T.Soma
    • Journal Title

      Geom.Dedicata. 92

      Pages: 73-85

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Bounded cohomology of subgroups of mapping class groups.2002

    • Author(s)
      M.Bestvina, K.Fujiwara
    • Journal Title

      Geometry and topology Volume 6

      Pages: 69-89

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540055
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces.

    • Author(s)
      K.Fujiwara, T.Shioya, K.Nagano
    • Journal Title

      Comment.Math.Helv. (掲載予定)(未定)

    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces

    • Author(s)
      K.Fujiwara, T.Shioya, K.Nagano
    • Journal Title

      Comment.Math.Helv. (in press)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540056
  • [Journal Article] CAT(0) and CAT(-1) fillings of hyperbolic manifolds

    • Author(s)
      K. Fujiwara, J.F. Manning
    • Journal Title

      to appear in Journal of Diff. Geom.

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Journal Article] Fixed point sets of parabolic isometries of CAT(0)-spaces.

    • Author(s)
      K.Fujiwara, T.Shioya, K.Nagano
    • Journal Title

      Comment.Math.Helv (in press)

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540056
  • [Journal Article] JSS-decompositions of finitely presented groups and complexes of groups

    • Author(s)
      K.Fujiwara, P.Papasoglu
    • Journal Title

      Geom.Funct.Anal. (掲載予定)(未定)

    • Data Source
      KAKENHI-PROJECT-17540058
  • [Journal Article] On non bounded generation of discrete subgroup in rank-1 Lie group

    • Author(s)
      K.Fujiwara
    • Journal Title

      Proc.of the Brooks memorial meeting (発表予定)

    • Data Source
      KAKENHI-PROJECT-14540056
  • [Journal Article] Combable functions, quasimorphisms, and the central limit theorem

    • Author(s)
      D. Calegari, K. Fujiwara
    • Journal Title

      to appear in Ergodic Theory and Dynamical Systems

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Group actions on quasi-trees.2019

    • Author(s)
      Koji Fujiwara
    • Organizer
      Aspects of Non-Positive and Negative Curvature in Group Theory. (Bestvina Fest) CIRM, France.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Asymptotic Dimension of the Arc Graphs.2019

    • Author(s)
      Koji Fujiwara
    • Organizer
      Special Session on Mapping Class Groups.AMS Sectional Meeting. Hawaii University, USA.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Asymptotic Dimension of the Arc Graphs. Special Session on Mapping Class Groups.2019

    • Author(s)
      Koji Fujiwara
    • Organizer
      AMS Sectional Meeting. Hawaii University, USA.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Asymptotic Dimension of the Arc Graphs.2019

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topology fair. KAIST, Korea.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Quickly generating a nice hyperbolic element.2018

    • Author(s)
      Koji Fujiwara
    • Organizer
      GAGTA-2018. KIAS, Seoul, Korea
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Group actions on quasi-trees.2018

    • Author(s)
      Koji Fujiwara
    • Organizer
      ICM 2018. Brazil.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Quickly generating a nice hyperbolic element2018

    • Author(s)
      Koji Fujiwara
    • Organizer
      GAGTA-2018
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02145
  • [Presentation] Group actions on quasi-trees.2018

    • Author(s)
      Koji Fujiwara
    • Organizer
      International Congress of Mathematicians, 2018. Topology section. Brazil.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Group actions on quasi-trees2018

    • Author(s)
      Koji Fujiwara
    • Organizer
      International Congress of Mathematicians
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02145
  • [Presentation] Quickly generating a nice hyperbolic element.2018

    • Author(s)
      Koji Fujiwara
    • Organizer
      GAGTA-2018 (July 15-20, 2018, KIAS, Seoul, Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Quickly generating a nice hyperbolic element2017

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and probabilistic properties of infinite groups, Lille
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] How to quickly generate hyperbolic elements2017

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Structures in Group Theory, Oberwolfach
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Quickly generating a nice hyperbolic element.2017

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and probabilistic properties of infinite groups. Lille, France.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Computing Kazhdan constants by computer2017

    • Author(s)
      Koji Fujiwara
    • Organizer
      Colloquium at Newton Institute
    • Place of Presentation
      Newton Institute (Cambridge, UK)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Mapping class groups in geometric group theory2017

    • Author(s)
      Koji Fujiwara
    • Organizer
      Colloquium at University of Warwick
    • Place of Presentation
      University of Warwick (Coventry, UK)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Acylindrically hyperbolic groups are not invariably generated, 22016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Topology Fair in Korea
    • Place of Presentation
      KAIST (Deajeon, Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Computing Kazhdan constants by computer.2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Non-positive Curvature, Newton Institute, U Cambridge, UK.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Acylindrically hyperbolic groups are not invariably generated2016

    • Author(s)
      藤原 耕二
    • Organizer
      Rigidity School
    • Place of Presentation
      名古屋大学(愛知県名古屋市)
    • Invited
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Hyperbolic-like behaviour of groups.2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Introductory Workshop: Geometric Group Theory, MSRI. Berkeley. USA.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Counting quasimorphisms and WPD elements-22016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Working Seminar: Median Spaces at MSRI
    • Place of Presentation
      MSRI (Berkeley, USA)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Quasi-homomorphisms into non-commutative groups2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Colloquium at SNU
    • Place of Presentation
      SNU (Seoul, Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] 京都大学におけるJIR2016

    • Author(s)
      藤原耕二
    • Organizer
      無限群と幾何学の新展開のアウトリーチについての研究会2016
    • Place of Presentation
      東京大学玉原国際セミナーハウス
    • Year and Date
      2016-06-10
    • Invited
    • Data Source
      KAKENHI-PROJECT-26560087
  • [Presentation] Invariable generation of groups2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      5-min talks for GGT program
    • Place of Presentation
      MSRI (Berkeley, USA)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Quasi-homomorphisms into non-commutative groups.2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Rigidity School, Nagoya 2016. Nagoya U.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] 2016.7.8. Acylindrically hyperbolic groups are not invariably generated, 2.2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Topology Fair in Korea, Kaist, Deajeon. Korea.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Hyperbolic-like behaviour of groups2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Introductory Workshop: Geometric Group Theory.
    • Place of Presentation
      MSRI. Berkeley. USA
    • Year and Date
      2016-08-22
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Counting quasimorphisms and WPD elements2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Working Seminar: Median Spaces at MSRI
    • Place of Presentation
      MSRI (Berkeley, USA)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Handlebody subgroups in mapping class groups2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometry Seminar at SNU
    • Place of Presentation
      SNU (Seoul, Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Hyperbolic-like behaviour of groups2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Introductory Workshop: Geometric group theory
    • Place of Presentation
      MSRI (Berkeley, USA)
    • Year and Date
      2016-08-22
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Quasi-homomorphisms into non-commutative groups2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Rigidity School
    • Place of Presentation
      Nagoya U.
    • Year and Date
      2016-07-29
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] 2016.7.6. Acylindrically hyperbolic groups are not invariably generated, 1.2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Topology Fair in Korea, Kaist, Deajeon. Korea.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Quasi-homomorphisms into non-commutative groups2016

    • Author(s)
      藤原 耕二
    • Organizer
      Rigidity School
    • Place of Presentation
      名古屋大学(愛知県名古屋市)
    • Invited
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Acylindrically hyperbolic groups are not invariably generated.2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Rigidity School, Nagoya 2016. Nagoya U.
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Acylindrically hyperbolic groups are not invariably generated2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Topology Fair in Korea
    • Place of Presentation
      Kaist, Deajeon. Korea. Yes
    • Year and Date
      2016-07-06
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Acylindrically hyperbolic groups are not invariably generated2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Topology Fair in Korea
    • Place of Presentation
      KAIST (Deajeon, Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Acylindrically hyperbolic groups are not invariably generated2016

    • Author(s)
      Koji Fujiwara
    • Organizer
      Rigidity School
    • Place of Presentation
      Nagoya U.
    • Year and Date
      2016-07-28
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Geometry of contracting geodesics2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Conference on Geometric Group Theory
    • Place of Presentation
      Wroclaw, Poland
    • Year and Date
      2015-06-29
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Growth in Groups2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      HeKKSaGOn Presidential Conferences
    • Place of Presentation
      Tohoku Univ. Japan
    • Year and Date
      2015-04-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Handlebody subgroups in mapping class groups.2015

    • Author(s)
      koji fujiwara
    • Organizer
      Dubrovnik VIII - Geometric Topology, Geometric Group Theory & Dynamical Systems
    • Place of Presentation
      Inter-University Centre Dubrovnik, Croatia
    • Year and Date
      2015-06-22
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Growth in Groups2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      HeKKSaGOn Presidential Conferences.
    • Place of Presentation
      Tohoku Univ. Japan.
    • Year and Date
      2015-04-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Group actions on quasi-trees and its application, 1-4.2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 13th Geometric Topology Fair in Korea.
    • Place of Presentation
      Gyeongju, Korea
    • Year and Date
      2015-08-10
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Group actions on quasi-trees and its application, 1-4.2015

    • Author(s)
      koji fujiwara
    • Organizer
      The 13th Geometric Topology Fair in Korea.
    • Place of Presentation
      Gyeongju, Korea.
    • Year and Date
      2015-08-10
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Growth in Groups2015

    • Author(s)
      藤原耕二
    • Organizer
      HeKKSaGOn Presidential Conference
    • Place of Presentation
      東北大学,宮城県
    • Year and Date
      2015-04-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Handlebody subgroups in mapping class groups.2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cornell Topology Festival
    • Place of Presentation
      Cornell U, USA
    • Year and Date
      2015-05-08
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Handlebody subgroups in mapping class groups.2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Dubrovnik VIII - Geometric Topology, Geometric Group Theory & Dynamical Systems
    • Place of Presentation
      Inter-University Centre Dubrovnik, Croatia
    • Year and Date
      2015-06-24
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Geometry of contracting geodesics.2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cornell Topology Festival
    • Place of Presentation
      Cornell U, USA
    • Year and Date
      2015-05-08
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Geometry of contracting geodesics.2015

    • Author(s)
      koji fujiwara
    • Organizer
      Conference on Geometric Group Theory
    • Place of Presentation
      Wroclaw, Poland.
    • Year and Date
      2015-06-29
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Group action on quasi-trees and its application2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 13th Geometric Topology Fair in Korea
    • Place of Presentation
      Gyeongji, Korea
    • Year and Date
      2015-08-10
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Geometry of contracting geodesics2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Conference on Geometric Group Theory
    • Place of Presentation
      Wroclaw, Poland
    • Year and Date
      2015-07-02
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Handlebody subgroups in mapping class groups2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Dubrovnik VIII-Geometric Topology, Geometric Group Theory & Dynamical Systems
    • Place of Presentation
      Inter-University Centre Dubrovnik, Croatia
    • Year and Date
      2015-06-24
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Handlebody subgroups in mapping class groups2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cornell Topology Festival
    • Place of Presentation
      Cornell University, USA
    • Year and Date
      2015-05-08
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Geometry of contracting geodesics.2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Conference on Geometric Group Theory
    • Place of Presentation
      Wroclaw, Poland
    • Year and Date
      2015-07-02
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Geometry of contracting geodesics2015

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cornell Topology Festival
    • Place of Presentation
      Cornell University, USA
    • Year and Date
      2015-05-08
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Group actions on quasi-tree and quasi-morphisms2015

    • Author(s)
      藤原耕二
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      京都産業大学,京都府
    • Year and Date
      2015-09-14
    • Invited
    • Data Source
      KAKENHI-PROJECT-15H03619
  • [Presentation] Group actions on quasi-trees and quasi-morphisms.2015

    • Author(s)
      藤原耕二
    • Organizer
      日本数学会秋季総合分科会、秋季賞受賞講演
    • Place of Presentation
      京都産業大学
    • Year and Date
      2015-09-14
    • Invited
    • Data Source
      KAKENHI-PROJECT-15H05739
  • [Presentation] Group actions on quasi-trees and quasi-morphisms.2015

    • Author(s)
      藤原耕二
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      京都産業大学
    • Year and Date
      2015-09-14
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] 京都大学におけるJIR2015

    • Author(s)
      藤原耕二
    • Organizer
      数理科学と分子生物学を融合する研究・教育のアウトリーチについての研究会
    • Place of Presentation
      東京大学玉原国際セミナーハウス
    • Year and Date
      2015-05-30
    • Data Source
      KAKENHI-PROJECT-26560087
  • [Presentation] Asymptotically isometric metrics on hyperbolic groups2014

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 10th Geometry conference for the friendship between China and Japan
    • Place of Presentation
      Fudan University, China
    • Year and Date
      2014-09-07
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-homomorphisms into non-commutative groups.2014

    • Author(s)
      koji fujiwara
    • Organizer
      Geometry of groups seminar, U Orsay.
    • Place of Presentation
      IHP, France.
    • Year and Date
      2014-03-14
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] 京大におけるJIR,2014

    • Author(s)
      藤原耕二
    • Organizer
      無限群と幾何学の新展開のアウトリーチについての研究会、
    • Place of Presentation
      玉原
    • Year and Date
      2014-06-07
    • Invited
    • Data Source
      KAKENHI-PROJECT-26560087
  • [Presentation] Asymptotically isometric metrics on hyperbolic groups2014

    • Author(s)
      koji fujiwara
    • Organizer
      The 10th Geometry conference for the friendship between China and Japan.
    • Place of Presentation
      Fudan University, China.
    • Year and Date
      2014-09-08
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Stable commutator length on mapping class groups2014

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and Combinatorial Group Theory In honor of Eliyahu Rips workshop
    • Place of Presentation
      Hebrew U, Israel
    • Year and Date
      2014-12-15
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-homomorphisms into non-commutative groups2014

    • Author(s)
      Koji Fujiwara
    • Organizer
      New Trends in Teichmuller Theory and Mapping Class
    • Place of Presentation
      Oberwolfach (Germany)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Quasi-homomorphisms into non-commutative groups2014

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometry on Groups and Spaces
    • Place of Presentation
      KAIST, Daejeon, Korea
    • Year and Date
      2014-08-07
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-homomorphisms into non-commutative groups.2014

    • Author(s)
      koji fujiwara
    • Organizer
      New Trends in Teichmuller Theory and Mapping Class
    • Place of Presentation
      . Oberwolfach, Germany.
    • Year and Date
      2014-02-12
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Stable commutator length on mapping class groups2014

    • Author(s)
      koji fujiwara
    • Organizer
      Geometric and Combinatorial Group Theory In honor of Eliyahu Rips workshop,
    • Place of Presentation
      Hebrew U, Israel.
    • Year and Date
      2014-12-18
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Quasi-homomorphisms into non-commutative groups2014

    • Author(s)
      koji fujiwara
    • Organizer
      "Geometry on Groups and Spaces" ICM Satellite Conference on Geometric Group Theory & Geometric Structures, .
    • Place of Presentation
      KAIST, Daejeon, Korea
    • Year and Date
      2014-08-09
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Group actions on quasi-trees and applications2013

    • Author(s)
      Koji Fujiwara
    • Organizer
      The XXIInd Rolf Nevanlinna Colloquium
    • Place of Presentation
      Helsinki (Finland)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] "Group actions on quasi-trees".2013

    • Author(s)
      koji fujiwara
    • Organizer
      Differentialgeometrie im Grossen.
    • Place of Presentation
      Oberwolfach, Germany.
    • Year and Date
      2013-07-04
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] "Group actions on quasi-trees".2013

    • Author(s)
      koji fujiwara
    • Organizer
      日本数学会 企画特別講演 (愛媛大9月)
    • Place of Presentation
      愛媛大
    • Year and Date
      2013-09-27
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Group actions on quasi-trees2013

    • Author(s)
      Koji Fujiwara
    • Organizer
      Differentialgeometrie im Grossen
    • Place of Presentation
      Oberwolfach (Germany)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Making bridges among long islands.2013

    • Author(s)
      koji fujiwara
    • Organizer
      "Geometric Structures in Group Theory".
    • Place of Presentation
      Oberwolfach, Germany.
    • Year and Date
      2013-06-05
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Group actions on quasi-trees2013

    • Author(s)
      藤原耕二
    • Organizer
      日本数学会企画特別講演
    • Place of Presentation
      愛媛大学(愛媛県)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] "Group actions on quasi-trees and application".2013

    • Author(s)
      koji fujiwara
    • Organizer
      The XXIInd Rolf Nevanlinna Colloquim
    • Place of Presentation
      Helsinki.
    • Year and Date
      2013-08-09
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Making bridges among long islands2013

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Structures in Group Theory"
    • Place of Presentation
      Oberwolfach (Germany)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees (3 lectures)2012

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 10th KAIST Geometric Topology Fair
    • Place of Presentation
      KAIST, Korea
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees (3 lectures).2012

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 10th KAIST Geometric Topology Fair
    • Place of Presentation
      Korea.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Group actions on quasi-trees (3 lectures).2012

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 10th KAIST Geometric Topology Fair
    • Place of Presentation
      KIAS . Korea.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Group actions on quasi-trees2012

    • Author(s)
      Koji Fujiwara
    • Organizer
      The 10th KAIST Geometric Topology Fair
    • Place of Presentation
      KAIST,Korea
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Group actions on quasi-trees and quasi-cocycles2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and measured group theory
    • Place of Presentation
      Institut Henri Poincare, Paris, France(招待講演)
    • Year and Date
      2011-07-08
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Subgroups of interval exchange transformations.2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      Goemetry and Analysis
    • Place of Presentation
      Kyoto
    • Year and Date
      2011-03-18
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Subgroups of interval exchange transformations2011

    • Author(s)
      K.Fujiwara
    • Organizer
      Geometric Group Theory
    • Place of Presentation
      Technion, Haifa, Israel(招待講演)
    • Year and Date
      2011-06-22
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Subgroups of interval exchange transformations2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      "Geometric Group Theory"(招待講演)
    • Place of Presentation
      Technion, Haifa, Israel.
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      K.Fujiwara
    • Organizer
      Dubrovnik VII…Geometric Topology
    • Place of Presentation
      Dubrovnik, Croatia(招待講演)
    • Year and Date
      2011-06-27
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Simplicial volume and fillings of hyperbolic manifolds.2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      "Dubrovnik VII -- Geometric Topology"(招待講演)
    • Place of Presentation
      Dubrobnik, Croatia.
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Simplicial volume and fillings of hyperbolic manifolds2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      Dubrovnik VII--Geometric Topology
    • Place of Presentation
      Dubrobnik, Croatia(招待講演)
    • Year and Date
      2011-06-27
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Quasi-homomorphism on groups and rank-rigidity2011

    • Author(s)
      K.Fujiwara
    • Organizer
      Bonner Geometrietage
    • Place of Presentation
      MPI in Bonn(招待講演)
    • Year and Date
      2011-04-12
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees and quasi-cocycles2011

    • Author(s)
      K.Fujiwara
    • Organizer
      Geometric and measured group theory
    • Place of Presentation
      Institut Henri Poincare. Paris(招待講演)
    • Year and Date
      2011-07-08
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Quasi-homomorphisms on groups and rank-rigidity2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      Bonner Geometrietage (Ballmann's 60th birthday conference)
    • Place of Presentation
      MPI, Bonn, Germany(招待講演)
    • Year and Date
      2011-04-12
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Subgroups of interval exchange transformations2011

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Group Theory
    • Place of Presentation
      Technion, Haifa, Israel(招待講演)
    • Year and Date
      2011-06-22
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      リーマン面に関連する位相幾何学
    • Place of Presentation
      東京大
    • Year and Date
      2010-09-04
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Groups of interval exchange transformations.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      Workshop : Subgroups of mapping class groups, Hausdorff Institute of Math
    • Place of Presentation
      Bonn, Germany
    • Year and Date
      2010-05-06
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Groups of interval exchange transformations.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      workshop "Geometric Group Theory, Hyper bolic Dynamics and Symplectic Geometry"
    • Place of Presentation
      Oberwolfach, Germany
    • Year and Date
      2010-07-16
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      Hyperbolic Geometry and related topics
    • Place of Presentation
      KIAS韓国
    • Year and Date
      2010-09-15
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      The geometry of the outer automorphism group of a free group, American Institute of Math
    • Place of Presentation
      PaloAlto, USA
    • Year and Date
      2010-10-29
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Combable functions and the central limit theorem on discrete groups2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      確率論と幾何学
    • Place of Presentation
      東北大
    • Year and Date
      2010-08-26
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      The geometry of the outer automorphism group of a free group
    • Place of Presentation
      American Institute of math, PaloAlto, USA
    • Year and Date
      2010-10-29
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      Hyperbolic Geometry and related topics
    • Place of Presentation
      KIAS, Seoul, Korea
    • Year and Date
      2010-09-15
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Groups of interval exchange transformations2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      workshop "Geometric Group Theory, Hyperbolic Dynamics and Symplectic Geometry
    • Place of Presentation
      Oberwolfach.Germany
    • Year and Date
      2010-07-16
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Groups of interval exchange transformations.2010

    • Author(s)
      Koji Fujiwara
    • Organizer
      Workshop : Subgroups of mapping class groups
    • Place of Presentation
      Hausdorff Institute of Math,Bonn, Germany.
    • Year and Date
      2010-05-06
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      Groups, embeddings and applications
    • Place of Presentation
      U of Hawaii.USA
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Subgroups in the group of interval exchange transformations.2009

    • Author(s)
      藤原耕二
    • Organizer
      KIAS Workshop on Geometric Structures and Geometric Group Theory
    • Place of Presentation
      KIAS (Korea)
    • Year and Date
      2009-12-15
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Subgroups in the group of interval exchange transformations2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      Kias Workshop on Geometric Structures and Geometric Group Theory
    • Place of Presentation
      KIAS,ソウル、韓国
    • Year and Date
      2009-12-15
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2009

    • Author(s)
      藤原耕二
    • Organizer
      Groups, embeddings and applications
    • Place of Presentation
      U. of Hawaii (USA)
    • Year and Date
      2009-03-19
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      Session "Geometric Structures and Geometric Group Theory", 2009 Joint Meeting of KMS and AMS
    • Place of Presentation
      Ewha Womans University, Seoul, Korea
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] CAT(0) and CAT(-1) fillings of hyperbolic manifolds2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      Davis 60
    • Place of Presentation
      Bedlewo, Poland
    • Year and Date
      2009-06-17
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      2009 Joint Meeting of KMS and AMS
    • Place of Presentation
      Ewha Womans University, Seoul, Korea
    • Year and Date
      2009-12-16
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] CAT(0) and CAT(-1) fillings of hyperbolic manifolds.2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      リーマン幾何と幾何解析
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-02-20
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] CAT(0) and CAT(-1) fillings of hyperbolic manifolds2009

    • Author(s)
      藤原耕二
    • Organizer
      リーマン幾何と幾何解析
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-02-20
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] CAT(0) and CAT(-1)fillings of hyperbolic manifolds2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      Davis 60
    • Place of Presentation
      ポーランド、ベトレボ
    • Year and Date
      2009-06-17
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2009

    • Author(s)
      藤原耕二
    • Organizer
      群と力学系に関わる離散幾何学
    • Place of Presentation
      愛媛大学
    • Year and Date
      2009-09-02
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] The asymptotic dimension of mapping class groups is finite2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      "Groups, embeddings and applications", 19-22. 3. 2009.
    • Place of Presentation
      U of Hawaii. USA
    • Year and Date
      2009-03-19
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite2009

    • Author(s)
      藤原耕二
    • Organizer
      Groups, embeddings and applications
    • Place of Presentation
      19-22.3.2009. U of Hawaii. USA.
    • Year and Date
      2009-03-19
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite., Geometric Structures and Geometric Group Theory2009

    • Author(s)
      藤原耕二
    • Organizer
      009 Joint Meeting of KMS and AMS
    • Place of Presentation
      Ewha Womans University, Seoul (Korea)
    • Year and Date
      2009-12-16
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] CAT(0) and CAT(-1) fillings of hyperbolic manifolds2009

    • Author(s)
      藤原耕二
    • Organizer
      Davis 60
    • Place of Presentation
      Bedlewo (Poland)
    • Year and Date
      2009-06-17
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Subgroups in the group of interval exchange transformations.2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      Kias Workshop on Geometric Structures and Geometric Group Theory
    • Place of Presentation
      KIAS, Korea
    • Year and Date
      2009-12-15
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] CAT(0) and CAT(-1) fillings of hyperbolic manifolds2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      リーマン幾何と幾何解析
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-02-20
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] The asymptotic dimension of mapping class groups is finite.2009

    • Author(s)
      Koji Fujiwara
    • Organizer
      群と力学系に関わる離散幾何学
    • Place of Presentation
      愛媛大学
    • Year and Date
      2009-09-02
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Combable functions and the central limit theorem2008

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Group Theory, Hyperbolic Dynamics and Symplectic Geometry
    • Place of Presentation
      Oberwolfach, Germany
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Schottky subgroups in mapping class groups2008

    • Author(s)
      藤原耕二
    • Organizer
      Nonpositive curvature and the elementary theory of free groups
    • Place of Presentation
      Anogia (Greece)
    • Year and Date
      2008-06-11
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Central limit theorem for combable functions on groups.2008

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topology and computer 2008
    • Place of Presentation
      Tokyo Tech
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Combable functions and the central limit theorem2008

    • Author(s)
      Fujiwara, Koji
    • Organizer
      Oberwolfach, Geometric Group Theory, Hyperbolic Dynamics and Symplecticm Geometry
    • Place of Presentation
      Germany
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Presentation] Combable functions and the central limit theorem, Geometric Group Theory2008

    • Author(s)
      藤原耕二
    • Organizer
      Hyperbolic Dynamics and Symplectic Geometry
    • Place of Presentation
      berwolfach (Germany)
    • Year and Date
      2008-09-12
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Schottky subgroups in mapping class groups2008

    • Author(s)
      Koji Fujiwara
    • Organizer
      Nonpositive curvature and the elementary theory of free groups
    • Place of Presentation
      Anogia, Greece
    • Year and Date
      2008-06-11
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Schottky subgroups in mapping class groups.2008

    • Author(s)
      Koji Fujiwara
    • Organizer
      Nonpositive curvature and the elementary theory of free groups
    • Place of Presentation
      Anogia, Greece
    • Year and Date
      2008-06-11
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Central limit theorem for combable functions on groups2008

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topology and computer 2008,
    • Place of Presentation
      Tokyo Tech
    • Year and Date
      2008-08-28
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Hyperbolicity, quasi-homomorphisms and stable commutator length.2007

    • Author(s)
      Koji Fujiwara
    • Organizer
      Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
    • Place of Presentation
      Univ of Warwick,英国
    • Year and Date
      2007-07-18
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Hyperbolicity, quasi-homomorphisms and stable commutator length2007

    • Author(s)
      藤原耕二
    • Organizer
      Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
    • Place of Presentation
      Warwick (UK)
    • Year and Date
      2007-07-18
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Rank-1 isometries on CAT(0) spaces and quasi-homomorphisms2007

    • Author(s)
      藤原耕二
    • Organizer
      in Topics in Geometric Group Theory
    • Place of Presentation
      at MSRI, USA.
    • Year and Date
      2007-11-06
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Stable commutator length of mapping class groups2007

    • Author(s)
      藤原耕二
    • Place of Presentation
      RIMS, 京都
    • Year and Date
      2007-01-10
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] 双曲性と擬準同型2007

    • Author(s)
      Koji fujiwara
    • Organizer
      第54回幾何学シンポジウム
    • Place of Presentation
      鹿児島大
    • Year and Date
      2007-08-26
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] 双曲性と擬準同型2007

    • Author(s)
      藤原耕二
    • Organizer
      第54回幾何学シンポジウム
    • Place of Presentation
      鹿児島大学
    • Year and Date
      2007-08-26
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Hyperbolicity, quasi-homomorphisms and stable commutator length2007

    • Author(s)
      Koji fujiwara
    • Organizer
      Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
    • Place of Presentation
      U Warwick, UK
    • Year and Date
      2007-07-18
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Rank-1 isometries on CAT(0) spaces and quasi-homomorphisms2007

    • Author(s)
      Koji fujiwara
    • Organizer
      Topics in Geometric Group Theory
    • Place of Presentation
      MSRI, Berkeley, USA
    • Year and Date
      2007-11-06
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] 双曲性と擬準同型2007

    • Author(s)
      Koji Fujiwara
    • Organizer
      第54回幾何学シンポジウム
    • Place of Presentation
      鹿児島大学.
    • Year and Date
      2007-08-26
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Rank-1 isometries on CAT(0) spaces and quasi-homomorphisms2007

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topics in Geometric Group Theory
    • Place of Presentation
      MSRI, USA
    • Year and Date
      2007-11-06
    • Data Source
      KAKENHI-PROJECT-19340013
  • [Presentation] Rank-1 isometries on CAT(0) spaces and quasi-homomorphisms2007

    • Author(s)
      藤原耕二
    • Organizer
      Topics in Geometric Group Theory
    • Place of Presentation
      MSRI (USA)
    • Year and Date
      2007-11-06
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] A characterization of higher rank symmetric spaces via bounded cohomology2007

    • Author(s)
      藤原耕二
    • Organizer
      Groups 007 at CIRM
    • Place of Presentation
      Luminy (France)
    • Year and Date
      2007-02-20
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] 曲面のカーブグラフの幾何2006

    • Author(s)
      藤原耕二
    • Organizer
      日本数学会年会幾何学分科会特別講演
    • Place of Presentation
      中央大学
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Presentation] Geodesic spaces of asymptotic dimension one, Geometric and asymptotic group theory with applications2006

    • Author(s)
      藤原耕二
    • Organizer
      2006 ICM satellite meeting
    • Place of Presentation
      Barcelona (Spain)
    • Year and Date
      2006-09-02
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Stable commutator length on mapping class groups, Geometric group theory2006

    • Author(s)
      藤原耕二
    • Organizer
      dynamical system and symplectic geometry
    • Place of Presentation
      Oberwolfach (Germany)
    • Year and Date
      2006-07-28
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] 曲面のカーブグラフの幾何, 日本数学会年会2006

    • Author(s)
      藤原耕二
    • Organizer
      幾何学分科会特別講演
    • Place of Presentation
      中央大
    • Year and Date
      2006-03-27
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Presentation] Geodesic spaces of asymptotic dimension one2006

    • Author(s)
      Koji Fujiwara
    • Organizer
      2006 ICM satellite meeting on Geometric and asymptotic group theory with applications
    • Place of Presentation
      Barcelona, Spain
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16204004
  • [Presentation] A characterization of higher rank symmetric spaces viabounded cohomology2006

    • Author(s)
      藤原耕二
    • Organizer
      日中友好幾何学研究集会
    • Place of Presentation
      西安(China)
    • Year and Date
      2006-12-16
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Asymptotic dimension of a curve graph is finite2006

    • Author(s)
      藤原耕二
    • Organizer
      Combinatorial and geometric group theory
    • Place of Presentation
      Vanderbilt University (USA)
    • Year and Date
      2006-05-08
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Asymptotic dimension of a curve graph is finite2006

    • Author(s)
      藤原耕二
    • Organizer
      eichmuller space
    • Place of Presentation
      Oberwolfach (Germany)
    • Year and Date
      2006-06-02
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] 曲面のカーブグラフと写像類群の幾何2006

    • Author(s)
      藤原耕二
    • Organizer
      関数論シンポジウム
    • Place of Presentation
      東工大
    • Year and Date
      2006-09-16
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Stable commutator length on mapping class groups2006

    • Author(s)
      Fujiwara, Koji
    • Organizer
      In "Geometric group theory, dynamical system, and symplectic geometry"
    • Place of Presentation
      Oberwolfach
    • Year and Date
      2006-07-28
    • Data Source
      KAKENHI-PROJECT-17204004
  • [Presentation] Stable commutator length on mapping class groups2006

    • Author(s)
      藤原耕二
    • Organizer
      Groups of diffeomorphisms
    • Place of Presentation
      東京大学
    • Year and Date
      2006-09-15
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Asymptotic dimension of a curve graph is finite2006

    • Author(s)
      藤原耕二
    • Organizer
      Geometry on Groups
    • Place of Presentation
      札幌
    • Year and Date
      2006-07-04
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Asymptotic dimension of a curve graph is finite2006

    • Author(s)
      藤原耕二
    • Organizer
      多様体上の双曲群の作用とその周辺
    • Place of Presentation
      首都大
    • Year and Date
      2006-06-28
    • Data Source
      KAKENHI-PROJECT-18204004
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Symplecctic geometry, geometric group theory and dynamics
    • Place of Presentation
      Obervolfach, Germany.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Quasi-homomorphisms into non-commutative groups.

    • Author(s)
      Koji Fujiwara
    • Organizer
      New Trends in Teichmüller Theory and Mapping Class
    • Place of Presentation
      Oberwolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      Discrete Geometric Analysis
    • Place of Presentation
      京都大学数理解析研究所(京都府)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees and application

    • Author(s)
      K. Fujiwara
    • Organizer
      The XXIInd Rolf Nevanlinna Colloquim,
    • Place of Presentation
      Helsinki
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      藤原耕二
    • Organizer
      本数学会 企画特別講演
    • Place of Presentation
      愛媛大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      Discrete Geometric Analysis
    • Place of Presentation
      RIMS, Kyoto.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Symplectic geometry, geometric group theory and dynamics
    • Place of Presentation
      Obervolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] roup actions on quasi-trees

    • Author(s)
      K. Fujiwara
    • Organizer
      Differentialgeometrie im Grossen
    • Place of Presentation
      Oberwolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and combinatorial group theory with applications (GAGTA-6)
    • Place of Presentation
      Dusseldorf, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Growth of groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      Intelligence of Low-dimensional Topology
    • Place of Presentation
      RIMS, Kyoto.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Group actions on quasi-trees and application

    • Author(s)
      Koji Fujiwara
    • Organizer
      The XXIInd Rolf Nevanlinna Colloquim
    • Place of Presentation
      Helsinki
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Growth of groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      Intelligence of Low-Dimensional Topology
    • Place of Presentation
      京都大学数理解析研究所(京都府)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      Differentialgeometrie im Grossen.
    • Place of Presentation
      Oberwolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-homomorphisms into non-commutative groups

    • Author(s)
      K. Fujiwara
    • Organizer
      Conference on Geometry on Groups and Spaces
    • Place of Presentation
      KAIST, Daejeon, Korea
    • Year and Date
      2014-08-07 – 2014-08-12
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cohomological methods in Goemetric group theory
    • Place of Presentation
      Banff, Canada
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] quasi-trees and quasi-cocycles

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topology and functional analysis
    • Place of Presentation
      Fudan University, China
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and combinatorial group theory with applications (GAGTA-6)
    • Place of Presentation
      Dusseldorf, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Group actions on quasi-trees.

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cohomological methods in Goemetric group theory
    • Place of Presentation
      Banff International Research Station, Banff, Canada.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Conference on Geometry
    • Place of Presentation
      京都大学数理解析研究所(京都府)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cohomological methods in Goemetric group theory
    • Place of Presentation
      Banff International Research Station, Banff, Canada
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Conference on Geometry
    • Place of Presentation
      RIMS, Kyoto
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Stable commutator length on mapping class groups

    • Author(s)
      K. Fujiwara
    • Organizer
      Geometric and Combinatorial Group Theory In honor of Eliyahu Rips workshop
    • Place of Presentation
      Hebrew U, Israel.
    • Year and Date
      2014-12-14 – 2014-12-19
    • Invited
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Group actions on quasi-trees.

    • Author(s)
      Koji Fujiwara
    • Organizer
      Cohomological methods in Goemetric group theory
    • Place of Presentation
      Banff International Research Station, Banff, Canada.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Symplecctic geometry, geometric group theory and dynamics
    • Place of Presentation
      Obervolfach, Germany.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and combinatorial group theory with applications (GAGTA-6)
    • Place of Presentation
      Dusseldorf, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric and combinatorial group theory with applications (GAGTA-6)
    • Place of Presentation
      Dusseldorf, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-trees and quasi-cocycles

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topology and functional analysis
    • Place of Presentation
      Fudan University, Shanghai, China.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Quasi-homomorphisms into non-commutative groups

    • Author(s)
      K. Fujiwara
    • Organizer
      Geometry on Groups and Spaces" ICM Satellite Conference on Geometric Group Theory & Geometric Structures
    • Place of Presentation
      KAIST, Daejeon, Korea
    • Year and Date
      2014-08-07 – 2014-08-12
    • Invited
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Negative curvature in discrete groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      第18回複素幾何シンポジウム
    • Place of Presentation
      菅平
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Asymptotically isometric metrics on hyperbolic groups

    • Author(s)
      K. Fujiwara
    • Organizer
      The 10th Geometry conference for the friendship between China and Japan
    • Place of Presentation
      Fudan University, China.
    • Year and Date
      2014-09-08 – 2014-09-12
    • Invited
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Making bridges among long islands.

    • Author(s)
      Koji Fujiwara
    • Organizer
      Geometric Structures in Group Theory
    • Place of Presentation
      Oberwolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      日本数学会 企画特別講演
    • Place of Presentation
      愛媛大
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Stable commutator length on mapping class groups

    • Author(s)
      K. Fujiwara
    • Organizer
      Conference on Geometric and Combinatorial Group Theory
    • Place of Presentation
      Hebrew, Israel
    • Year and Date
      2014-12-14 – 2014-12-19
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Conference on Geometry
    • Place of Presentation
      RIMS, Kyoto
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Asymptotically isometric metrics on hyperbolic groups

    • Author(s)
      K. Fujiwara
    • Organizer
      The 10th Geometry Conference for the Friendship between China and Japan
    • Place of Presentation
      Fudan University, China
    • Year and Date
      2014-09-08 – 2014-09-12
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Negative curvature in discrete groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      第18回複素幾何シンポジウム
    • Place of Presentation
      菅平(長野県)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • [Presentation] Making bridges among long islands

    • Author(s)
      K. Fujiwara
    • Organizer
      Geometric Structures in Group Theory
    • Place of Presentation
      Oberwolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-23224002
  • [Presentation] Growth of groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      Intelligence of Low-dimensional Topology
    • Place of Presentation
      RIMS, Kyoto.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Negative curvature in discrete groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      第18回複素幾何シンポジウム
    • Place of Presentation
      菅平
    • Invited
    • Data Source
      KAKENHI-PROJECT-23654019
  • [Presentation] Negative curvature in discrete groups

    • Author(s)
      Koji Fujiwara
    • Organizer
      第18回複素幾何シンポジウム
    • Place of Presentation
      菅平
    • Invited
    • Data Source
      KAKENHI-PROJECT-24224002
  • [Presentation] Quasi-trees and quasi-cocycles

    • Author(s)
      Koji Fujiwara
    • Organizer
      Topology and functional analysis
    • Place of Presentation
      Fudan University, Shanghai, China.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Group actions on quasi-trees

    • Author(s)
      Koji Fujiwara
    • Organizer
      Discrete Geometric Analysis
    • Place of Presentation
      RIMS, Kyoto.
    • Invited
    • Data Source
      KAKENHI-PROJECT-23244005
  • [Presentation] Quasi-cocycles on free groups to uniformly convex Banach spaces

    • Author(s)
      Koji Fujiwara
    • Organizer
      Symplecctic geometry, geometric group theory and dynamics
    • Place of Presentation
      Oberwolfach, Germany
    • Invited
    • Data Source
      KAKENHI-PROJECT-22244004
  • 1.  SHIOYA Takashi (90235507)
    # of Collaborated Projects: 11 results
    # of Collaborated Products: 15 results
  • 2.  KANAI Masahiko (70183035)
    # of Collaborated Projects: 9 results
    # of Collaborated Products: 0 results
  • 3.  KOTANI Motoko (50230024)
    # of Collaborated Projects: 9 results
    # of Collaborated Products: 0 results
  • 4.  IZEKI Hiroyasu (90244409)
    # of Collaborated Projects: 8 results
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  • 5.  TSUBOI Takashi (40114566)
    # of Collaborated Projects: 8 results
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  • 6.  KAWAZUMI Nariya (30214646)
    # of Collaborated Projects: 7 results
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  • 7.  NAYATANI Shin (70222180)
    # of Collaborated Projects: 7 results
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  • 8.  MORITA Shigeyuki (70011674)
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  • 9.  OHSHIKA Kenichi (70183225)
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  • 11.  KOJIMA Sadayoshi (90117705)
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  • 12.  MATSUMOTO Shigenori (80060143)
    # of Collaborated Projects: 4 results
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  • 13.  SAKASAI Takuya (60451902)
    # of Collaborated Projects: 4 results
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  • 14.  前田 吉昭 (40101076)
    # of Collaborated Projects: 4 results
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  • 15.  MATSUMOTO Makoto (70231602)
    # of Collaborated Projects: 3 results
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  • 16.  TAKASAWA Mitsuhiko (80323822)
    # of Collaborated Projects: 3 results
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  • 17.  MORIYOSHI Hitoshi (00239708)
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  • 18.  Ohnita Yoshihiro (90183764)
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  • 19.  KAMISHIMA Yoshinobu (10125304)
    # of Collaborated Projects: 3 results
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  • 20.  MARTIN Guest (10295470)
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  • 21.  KOBAYASHI Toshiyuki (80201490)
    # of Collaborated Projects: 3 results
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  • 22.  SOMA Teruhiko (50154688)
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  • 23.  OHTSUKI Tomotada (50223871)
    # of Collaborated Projects: 3 results
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  • 24.  MITSUMATSU Yoshihiko (70190725)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 25.  ASUKE Taro (30294515)
    # of Collaborated Projects: 3 results
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  • 26.  HAYASHI Shuhei (20247208)
    # of Collaborated Projects: 3 results
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  • 27.  NAKAYAMA Hiromichi (30227970)
    # of Collaborated Projects: 3 results
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    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 29.  OZAWA Narutaka (60323466)
    # of Collaborated Projects: 3 results
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  • 30.  FURUTA Mikio (50181459)
    # of Collaborated Projects: 2 results
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  • 119.  ROBERT Penner
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  • 120.  荒川 知幸
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  • 121.  蒲谷 祐一
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