Sakuma Makoto 作間誠

… Alternative Names

Researcher Number	30178602
Other IDs
External Links
Affiliation (Current)	2018 : 広島大学, 理学研究科, 教授
Affiliation (based on the past Project Information) *help	2016 – 2018 : 広島大学, 理学研究科, 教授 2015 – 2016 : 広島大学, 大学院理学研究科, 教授 2012 – 2015 : 広島大学, 理学(系)研究科(研究院), 教授 2013 : 広島大学, 大学院・理学研究科, 教授 2013 : 広島大学, 理学(系)研究科(研究院), 教授(Professor) … More
Review Section/Research Field	Principal Investigator Geometry / Geometry Except Principal Investigator Geometry / Geometry / Basic analysis / Algebra / 代数学・幾何学 / Algebra / 解析学
Keywords	Principal Investigator 2橋結び目 / 双曲構造 / 解消トンネル / 錐多様体 / ザイフェルト曲面 / McShaneの等式 / 擬フックス群 / ヘガード分解 / 曲面束 / 強可逆結び目 … More Except Principal Investigator 結び目 / 3次元多様体 / 結び目理論 / トポロジー / 絡み目 / Kahler-Einstein計量 / 空間グラフ / 双曲幾何 / 写像類群 / リーマン面 / 安定性 / クライン群 / 双曲多様体 / ヴァッシリーブ不変量 / 多様体 / 量子不変量 / 4次元トポロジー / stability / constant scalar curvature / ４次元トポロジー / Tian / 分岐被覆 / 対称カンドル / 複素多様体 / モノドロミー / 保型形式 / balanced metric / Klein群 / Zhangの臨界計量 / 離散群 / Knot theory / Hitchin-Kobayashi対応 / 定スカラー曲率 / シンプレクティック幾何 / チャート / Hitchin-Kobayashi correspondence / 小林-Hitchin対応 / バイカンドル / 曲面結び目 / 位相幾何 / extremal metric / obstruction / カンドル / フロアホモロジー / タイヒミュラー空間 / 基本群 / 標準束 / 漸近的ベルグマン核 / デーン手術 / Kahler-Einstein metric / Teichmuller空間 / グラフィクス / 2次元結び目 / Chow計量 / 双曲構造 / test configuration / exact4-多様体 / manifold / 存在問題 / Vassilier不変量 / hierarchy / 対称化 / 化学 / 低次元多様体 / 「捩れのある」エルミート接続 / strong hyperbolicity / 物理 / モノドロミー群 / デイラック型作用素 / 偏極代数多様体 / 二木障害 / Seiberg-Witten方程式 / 位相数学 / molecular graph / Spatial graphs / ファノ多様体 / Riemann面 / 森理論 / canonical bundle / マルコフ型定理 / 軌道体 / guasi-conformal mapping / 4次元 / Epatein-Penner分解 / representation theory / deformation / 接触幾何 / イミテーション理論 / Kahler manifold / quasifuchisian space / ケーラー構造 / anticanonical bundle / multiplier-Hermitian計量 / 3次元多様体論 / マクシェイン型恒等式 / Zariski対 / Arf invariant / 3-Manifolds / complex structure / punctured torus / McShaneの等式 / Extremal metric / Viehweg / 多項式不変量 / 反標準束 / 表現論 / Dirac-type operata / イミテーション / Links / シンプレクティック構造 / hyperbolic perturbation / 擬フックス群 / involutive / 穴あきトーラス / symmetrizable system / 退化 / 数論幾何 / 双曲幾何学 / Myersの直径有界性定理 / 手術表示 / algebraic manifold / Einstein-Kahler計量 / 理想多面体分割 / ウェブ図 / リボン結び目 / 低次元位相幾何 / 包合的 / L^2評価 / 局所化 / DNA knot / フォード領域 / Extremal Kahler計量 / non degenerate / Zhang's critical matric / extremal-Kahler計算 / 不連続群 / 非退化特性点 / デイド予想 / ファンカンペン図 / 国際情報交換（アメリカ） / ハミルトン正則ベクトル場 / localization / Hilbert-mumford安定性 / 変換群 / 弾性曲線 / 複素幾何 / Hilbert-Mumford漸近安定性 / Arf不変量 / トーリックトポロジー / 特殊線形群 / surfaces in four space / 解消トンネル / extremal Kahle計量 / ２次元ブレイド / DNA結ぶ目 / ヴィッテン不変量 / 有限群 / チャート図の変形 / 数論的基本群 / Kahler-Ricci soliton / 直線束 / Plane graphs / 数学史 / finite Galois coverings / Extremal-Kahler計量 / 頂点作用素代数 / ベルグマン計量 / Chow-Mumford漸近安定性 / 多様体論 / 跡公式 / 強双曲系 / multiplier-Hermition計量 / 双曲摂動 / Zhang / フォード基本領域 / Stability / Riemann surface / 対称化可能系 / 生物 / 代数関数体 / アイゼンショタイン級数 / Asymptotic Bergman Kernel / knots / hyperbolic manifolds / Meyerの直径有界性定理 / ザイフェルト行列 / 退化族 / 反準束 / 量子摂動不変量 / 3-dimensional manifold / symplactic structure / Kahler structure / 熱核評価の方法 / links / multiplier Hermitian 計量 / 複素射影構造 / 可積分系 / アルゴリズム / ゼータ関数 / spatial graph / 特異点 / 擬フックス空間 / 周期絡み目 / Extremal Kahler metric / exact 4-manifold / topology / カスプ / 変換群論 / カスプ付き双曲多様体 / Knots / 射影kahler多様体 / Test configuration / Chow metric / knot theory / 射影構造 / Epstein-Penner分解 / 漸近安定性 / 有限型不変量 / 有限ガロア被覆 / 穴あきトーラス群 / チャート図 / 国際研究者交流（アメリカ、オーストラリア） / 分子グラフ / Mumford / Jones多項式 / Caltin-Lu-Tian-Zelditch / 絡み目の2次形式 / vertey operator algebra / geometry / quantum invariant / ２次元結び目 / Chow-mumford安定性 / 双曲空間 / 定スカラー曲率ケーラー計量 / Futaki choracter / 不変量 / 4次元の曲面 / 代数多様体 / Zhnng / Zariski pair / Epstein-Penner docomposition / ３次元多様体 / 擬等角写像 / フックス群 / 数理モデル / 偏極多様体 / モジュライ / 幾何的極限 / タングル / 共形場理論 / Bando-Calabi-Futaki指標 / 群 / ケーラー多様体 / hyperbolic geometry / 国際研究者交流（オーストラリア） / シンプレティック構造 / ディラック型作用素 / 平面グラフ / ヘガード分解 / パッフ系 / グリーン関数 / ジョルダン代数 / ジーゲル保型形式 / 表現空間 / Kahler-Einstein軽量 / 変形 / アイゼンシュタイン級数 / 穴開きトーラス / 被覆(分岐被覆) / ホモトピー論 / fundamental group / 国際情報交換（オーストラリア） / McShane's indentity / 有限分岐被覆 / 2次元ブレイド / レフシェツ・ファイバー束 / 領域選択ゲーム / convolution product / 倉西空間 / 非退化特異点 / ４次元 / 複素構造 / 国際研究者交流（アメリカ） / 放物型方程式 / 力学系 / 錐多様体 / 複素解析 / 複数幾何 / 変形空間 / 二木指標 / 結び目解消数 / degeneration / 特異点論 / グラフ理論 / ケーリー図 / 次元公式 / 幾何学 / Arakelov geometry / kahler-Einstein計量 / Kahler多様体 / アルペリン-マッケイ予想 / finite type invariant / 曲線複体 / Dehn手術 Less

Geometry of discrete groups and its applications to 3-dimensional topologyOngoing
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
３次元多様体の幾何構造と組合せ構造Principal InvestigatorOngoing
- Principal Investigator
  
  作間誠
- Project Period (FY)
  2015 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
Solving the smooth unknotting conjecture in dimension four and its development
- Principal Investigator
  
  Matumoto Takao
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kyoto University
Studies of knot theory and their applications
- Principal Investigator
  
  KAWAUCHI Akio
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
New developments in number theoretic geometry, topology, and algorithm
- Principal Investigator
  
  Matsumoto Makoto
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Algebra
- Research Institution
  Hiroshima University
  The University of Tokyo
Geometric structure and combinatorial structure of 3-dimensional manifoldsPrincipal Investigator
- Principal Investigator
  
  SAKUMA MAKOTO
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
Applications of global coordinate systems for the representation spaces of punctured surface groups
- Principal Investigator
  
  NAKANISHI Toshihiro
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shimane University
Studies of Knot Theory
- Principal Investigator
  
  KAWAUCHI Akio
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
Research on 4-dimensional topology from the viewpoint of graphics and quandle theory
- Principal Investigator
  
  KAMADA SEIICHI
- Project Period (FY)
  2009 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
  Hiroshima University
Indiscrete representations of discrete groupsPrincipal Investigator
- Principal Investigator
  
  MAKOTO Sakuma
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
Overall study of topology
- Principal Investigator
  
  MASUDA Mikiya
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
Global construction of pleating coordinates of Teichmuller spaces and its applications
- Principal Investigator
  
  KOMORI Yohei
- Project Period (FY)
  2007 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Osaka City University
Heegaard structures and geometric structures of 3-manifoldsPrincipal Investigator
- Principal Investigator
  
  SAKUMA Makoto
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
  Osaka University
Study of projective structures on Riemann surfaces and its applications to hyperbolic manifolds and complex dynamical systems
- Principal Investigator
  
  NAKANISHI Toshihiro
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shimane University
A classification of hyperbolic 3-manifolds and deformation spaces of hyperbolic structures
- Principal Investigator
  
  OHSHIKA Ken'ichi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
グラフィクスとカンドル理論の観点からの4次元トポロジーの研究
- Principal Investigator
  
  KAMADA Seiichi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
双曲構造と球面構造の双対性Principal Investigator
- Principal Investigator
  
  作間誠
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
  Osaka University
Existence Problem of Fxtremal Metran and Degeneration of Balanced Metrics
- Principal Investigator
  
  MABUCHI Toshiki
- Project Period (FY)
  2004 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Hecguard Splittings and genetic structures of 3-manifoldsPrincipal Investigator
- Principal Investigator
  
  SAKUMA Makoto
- Project Period (FY)
  2002 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
捩れをもつ接続の幾何学
- Principal Investigator
  
  満渕俊樹
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka University
The Hitchin-Kobayashi correspondence for Manifolds
- Principal Investigator
  
  MABUTCHI Toshiki
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Heegaad splittings of 3-dimensional manifolds and geometric structuresPrincipal Investigator
- Principal Investigator
  
  NAMBA Makoto, 作間誠
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  OSAKA UNIVERSITY
結び目の解消トンネルと双曲構造Principal Investigator
- Principal Investigator
  
  作間誠
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Quantum structure of Riemann surfaces and its application to low-climensional topology
- Principal Investigator
  
  MURUKAMI Jun
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Symplectic Structures and Geometry of Canonical Bundle
- Principal Investigator
  
  MABUCHI Toshiki
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Geometry
- Research Institution
  Osaka University
正則写像のモジュライ空間の数理物理学的研究
- Principal Investigator
  
  MABUCHI Toshiki
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Knot Theory and Geometry of Manifolds
- Principal Investigator
  
  KAWAUCHI Akio
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
Deformation of kahler manifolds via higher dimensiond guasi-conformd mapping
- Principal Investigator
  
  ENOKI Ichiro
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Heegaand spliffings and hyperbolic structures of 3-manifoldsPrincipal Investigator
- Principal Investigator
  
  SAKUMA Makoto
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
低次元多様体と結び目理論
- Principal Investigator
  
  河内明夫
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Osaka City University
有限シュバレー群環上におけるデイド予想
- Principal Investigator
  
  宇野勝博
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
階数2の不連続群と3次元多様体Principal Investigator
- Principal Investigator
  
  作間誠
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Comprehensive Researches in Knot Theory
- Principal Investigator
  
  SUZUKI Shin'ichi
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Waseda University
3,4次元多様体と結び目理論
- Principal Investigator
  
  河内明夫
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Osaka City University
ジョルダン代数のゼ-ヌ関数と保型形式の次元
- Principal Investigator
  
  伊吹山知義
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Osaka University
3次元多様体のへガード分解と群の階数Principal Investigator
- Principal Investigator
  
  作間誠
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
保型形式とオイラー積の和としてのゼータ関数
- Principal Investigator
  
  伊吹山知義
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Symmetric systems and strongly hyperbolic systems
- Principal Investigator
  
  NISHITANI Tatsuo
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  解析学
- Research Institution
  Osaka University
3,4次元多様体と結び目理論の不変量
- Principal Investigator
  
  河内明夫
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Osaka City University
双曲的結び目のcanonical decompositionPrincipal Investigator
- Principal Investigator
  
  作間誠
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
3次元多様体と結び目理論
- Principal Investigator
  
  KAWAUCHI Akio
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Osaka City University
弾性曲線の研究(熱方程式による分析)
- Principal Investigator
  
  小磯憲史
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Comprehensive Research on Topological Graph Theory
- Principal Investigator
  
  SUZUKI Shinichi
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  Geometry
- Research Institution
  Waseda University
複素多様体の基本群と分岐被覆
- Principal Investigator
  
  難波誠
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Osaka University
複素多様体の分岐被覆
- Principal Investigator
  
  NAMBA Makoto
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Osaka University

[Book] Punctured torus groups and 2-bridge knot groups(1), Lecture Notes in Mathematics Vol 19092007
- Author(s)
  H. Akiyoshi, M. Sakuma, M. Wada, Y. Yamashita
- Total Pages
  295
- Publisher
  Springer Verlag
- Data Source
  KAKENHI-PROJECT-18340018
[Book] Punctured torus groups and 2-bridge knot groups. I2007
- Author(s)
  Sakuma, Makoto(他3名)
- Total Pages
  252
- Publisher
  Springer-Verlag
- Data Source
  KAKENHI-PROJECT-18540179
[Book] Punctured torus groups and 2-bridge knot groups (I), Lecture Notes in Mathematics Vol 19092007
- Author(s)
  H. Akiyoshi, M. Sakuma, M. Wada, Y. Yamashita
- Total Pages
  295
- Publisher
  Springer Verlag
- Data Source
  KAKENHI-PROJECT-17654016
[Book] Punctured torus groups and 2-bridge knot groups, Lecture Notes in Math. 19092007
- Author(s)
  Hirotaka Akiyoshi, Makoto Sakuma, Masaaki Wada and Yasushi Yamashita
- Publisher
  Springer, Berline
- Data Source
  KAKENHI-PROJECT-18340018
[Book] Punctured torus groups and 2-bridge knot groups, Lecture Notes in Math. 19092007
- Author(s)
  Hirotaka Akiyoshi, Makoto Sakuma, Masaaki Wada, Yasushi Yamashita
- Publisher
  Springer, Berline
- Data Source
  KAKENHI-PROJECT-18340018
[Book] Punctured torus groups and 2-bridge knot groups. I2007
- Author(s)
  Akiyoshi, H, Sakuma, M., et. al.
- Total Pages
  252
- Publisher
  Springer, Berlin,
- Data Source
  KAKENHI-PROJECT-17340016
[Book] Punctured torus groups and 2-bridge knot groups (I)2007
- Author(s)
  作間誠
- Total Pages
  295
- Publisher
  Springer Verlag
- Data Source
  KAKENHI-PROJECT-19540194
[Book] Lecture Notes in Mathematics, 1909. Springer, Berlin2007
- Author(s)
  Hirotaka Akiyoshi, Makoto Sakuma, Masaaki Wada, Yasushi Yamashita
- Publisher
  Punctured torus groups and 2-bridge knot groups. I
- Data Source
  KAKENHI-PROJECT-17340016
[Book] London Math. Soc. Lecture Notes Series2006
- Author(s)
  Yaiir Minsky, Makoto Sakuma and Caroline Series(eds)
- Total Pages
  329
- Publisher
  The spaces of Kleinian groups and hyperbolic 3-manifolds
- Data Source
  KAKENHI-PROJECT-18340018
[Book] The spaces of Kleinian groups and hyperbolic 3-manifolds2006
- Author(s)
  Yaiir Minsky, Makoto Sakuma, Caroline Series (eds)
- Publisher
  London Math. Soc. Lecture Notes Series
- Data Source
  KAKENHI-PROJECT-18340018
[Book] Spaces of Kleinian groups2006
- Author(s)
  Y.Minsky, M.Sakuma, C.Series
- Total Pages
  390
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] The action of the mapping class group on the space of geodesic rays of a punctured hyperbolic surface2018
- Author(s)
  Brian Bowditch and Makoto Sakuma
- Journal Title
  
  Groups Geometry and Dynamics
  
  Volume : 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03620
[Journal Article] An application of non-positively curved cubings of alternating links2018
- Author(s)
  Makoto Sakuma and Yoshiyuki Yokota
- Journal Title
  
  Proceedings of American Mathematical Society
  
  Volume : 印刷中
- Data Source
  KAKENHI-PROJECT-15H03620
[Journal Article] A family of two-generator non-Hopfian groups2017
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  International Journal of Algebra and Computation
  
  Volume : 27 Pages : 655-675
- DOI
  10.1142/s0218196717500321
- Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-17H02843
[Journal Article] Homotopically equivalent simple loops on 2-bridge spheres in Heckoid orbifolds for 2-bridge links (II)2016
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Journal of Knot Theory and its Ramifications
  
  Volume : 25
- DOI
  10.1142/s0218216516500668
- Acknowledgement Compliant / Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-24540082
[Journal Article] Homotopically equivalent simple loops on 2-bridge spheres in Heckoid orbifolds for 2-bridge links (I)2016
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Journal of Knot Theory and its Ramifications
  
  Volume : 25
- DOI
  10.1142/s021821651650067x
- Acknowledgement Compliant / Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-24540082
[Journal Article] Simple loops on 2-bridge spheres in Heckoid orbifolds for 2-bridge link complements2016
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  East Asian mathematical journal
  
  Volume : 32 Pages : 717-728
- DOI
  10.3934/era.2012.19.97
- Acknowledgement Compliant / Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-24540082, KAKENHI-PROJECT-22340013
[Journal Article] Subgroups of mapping class groups related to Heegaard splittings and bridge decompositions2016
- Author(s)
  Ken'ichi Ohshika, Makoto Sakuma
- Journal Title
  
  Geometria Dedicata
  
  Volume : 180 Pages : 117-134
- DOI
  10.1007/s10711-015-0094-4
- Open Access / Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005, KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-24540082, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933
[Journal Article] Parabolic generating pairs of genus-one 2-bridge knot groups2016
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Journal of Knot Theory and its Ramifications
  
  Volume : 25
- DOI
  10.1142/s0218216516500231
- Acknowledgement Compliant / Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-24540082
[Journal Article] Subgroups of mapping class groups related to Heegaard splittings and bridge decompositions2016
- Author(s)
  Ken'ichi Oshika and Makoto Sakuma
- Journal Title
  
  Geom. Dedicata
  
  Volume : 180 Pages : 117-134
- Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540082
[Journal Article] Homotopically equivalent simple loops on 2-bridge spheres in 2-bridge link complements (II)2014
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Geom. Dedicata
  
  Volume : 171 Pages : 29-56
- DOI
  10.1007/s10711-013-9888-4
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-22340013, KAKENHI-PROJECT-24540082
[Journal Article] A variation of McShane's identity for 2-bridge links and its possible generalization2014
- Author(s)
  H. Akiyoshi, D. Lee and M. Sakuma
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume : B48 Pages : 131-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540082
[Journal Article] A variation of McShane’s identity for 2-bridge links and its possible generalization2014
- Author(s)
  Hirotaka Akiyoshi, Donghi Lee and Makoto Sakuma
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume : B48 Pages : 131-147
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013
[Journal Article] Homotopically equivalent simple loops on 2-bridge spheres in 2-bridge link complements (I)2014
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Geom. Dedicata
  
  Volume : 171 Pages : 1-28
- DOI
  10.1007/s10711-013-9891-9
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-22340013, KAKENHI-PROJECT-24540082
[Journal Article] Homotopically equivalent simple loops on 2-bridge spheres in 2-bridge link complements (III)2014
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Geom. Dedicata
  
  Volume : 171 Pages : 57-91
- DOI
  10.1007/s10711-013-9889-3
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-22340013, KAKENHI-PROJECT-24540082
[Journal Article] A variation of Mcshane's identity for 2-bridge links2013
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Geometry and Topology
  
  Volume : 17 Pages : 2061-2101
- DOI
  10.2140/gt.2013.17.2061
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013, KAKENHI-PROJECT-24540082
[Journal Article] Epimorphisms from 2-bridge link groups onto Heckoid groups (I)2013
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Hiroshima Mathematical Journal of Mathematics
  
  Volume : 43 Pages : 239-264
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013
[Journal Article] Epimorphisms from 2-bridge link groups onto Heckoid groups (II)2013
- Author(s)
  Donghi Lee and Makoto Sakuma
- Journal Title
  
  Hiroshima Mathematical Journal of Mathematics
  
  Volume : 43 Pages : 265-284
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013
[Journal Article] Epimorphisms from 2-bridge link groups onto Heckoid orbifolds (II)2013
- Author(s)
  Donghi Lee, Makoto Sakuma
- Journal Title
  
  Hiroshima Journal of Mathematics
  
  Volume : (出版受理)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013
[Journal Article] Epimorphisms from 2-bridge link groups onto Heckoid orbifolds (I)2013
- Author(s)
  Donghi Lee, Makoto Sakuma
- Journal Title
  
  Hiroshima Journal of Mathematics
  
  Volume : (出版受理)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013
[Journal Article] Makoto Sakuma, 2-bridge links : Homotopically trivial simple loops on 2-bridge spheres, Proc2012
- Author(s)
  Donghi Lee, Makoto Sakuma
- Journal Title
  
  London Math. Soc
  
  Volume : Vol.104 Pages : 359-386
- DOI
  10.1112/plms/pdr036
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21244005, KAKENHI-PROJECT-21654011, KAKENHI-PROJECT-22340013
[Journal Article] Simple loops on 2-bridge spheres in 2-bridge link complements2011
- Author(s)
  Donghi Lee, Makoto Sakuma
- Journal Title
  
  Electron. Res. Res. Announc. Math. Sci.
  
  Volume : 18 Pages : 97-111
- DOI
  10.3934/era.2011.18.97
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21654011, KAKENHI-PROJECT-22340013
[Journal Article] On hyperbolic once-punctured torus bundles III : Comparing two tessellations of the complex plane2010
- Author(s)
  Warren Dicks, Makoto Sakuma
- Journal Title
  
  Topology and its applications
  
  Volume : 157 Pages : 1873-1899
- DOI
  10.1016/j.topol.2010.02.010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21654011
[Journal Article] On hyperbolic once-punctured torus bundles III : Comparing two tessellations of the complex plane2010
- Author(s)
  Makoto Sakuma
- Journal Title
  
  Topology and its Applications (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On hyperbolic once-punctured torus bundles III : Comparing two tessellations of the complex plane2010
- Author(s)
  Warren Dicks, Makoto Sakuma
- Journal Title
  
  Topology and its applications
  
  Volume : 157 Pages : 1873-1899
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340013
[Journal Article] On hyperbolic once-punctured torus groups: Comparing two tessellations of the complex plane2010
- Author(s)
  Makoto Sakuma, Warren Dicks
- Journal Title
  
  Topology and its applications 156
  
  Pages : 1873-1899
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On hyperbolic once-punctured torus bundles III : Comparing two tessellations of the complex plane2010
- Author(s)
  Makoto Sakuma
- Journal Title
  
  Topology and its applications (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21654011
[Journal Article] On the distance between two Seifert surfaces of a knot2009
- Author(s)
  Makoto Sakuma
- Journal Title
  
  Osaka Journal of Mathematics 46
  
  Pages : 203-221
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On the distance between two Seifert surfaces of a knot2009
- Author(s)
  Makoto Sakuma, Kenneth Shackleton
- Journal Title
  
  Osaka J. Math 46
  
  Pages : 203-221
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On the distance between two Seifert surfaces of a knot2009
- Author(s)
  Makoto Sakuma
- Journal Title
  
  Osaka Journal of Mathematics 46
  
  Pages : 203-221
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21654011
[Journal Article] On the distance between two Seifert surfaces of a knot2009
- Author(s)
  Makoto Sakuma and Kenneth Shackleton
- Journal Title
  
  Osaka J. Math 46
  
  Pages : 203-221
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On the distance of two Seifert surfaces of a knot2009
- Author(s)
  M. Sakuma, K. Schackleton
- Journal Title
  
  Osaka Journal of Mathematics 46
  
  Pages : 203-221
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On the distance between two Seifert surfaces of a knot2009
- Author(s)
  Makoto Sakuma, Kenneth Schackleton
- Journal Title
  
  Osaka Journal of Mathematics
  
  Volume : 46 Pages : 203-221
- URL
  http://projecteuclid.org/euclid.ojm/1235574044.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21654011
[Journal Article] Epimorphisms among 2-bridge knot groups, The Zieschang Gedenkschrift2008
- Author(s)
  Tomotada Ohtsuki, Makoto Sakuma
- Journal Title
  
  Geometry and Topology Monograph 14
  
  Pages : 417-450
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Epimorphisms between 2-bridge knot groups2008
- Author(s)
  T. Ohtski, R. Riley, M. Sakuma
- Journal Title
  
  Geometry and Topology Monograph 1909(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Epimorphisms between 2-bridge knot groups, The Zieschang Gedenkschrift2008
- Author(s)
  T.Ohtsuki, R.Riley and M.Sakuma
- Journal Title
  
  Geometry and Topology Monograph 14
  
  Pages : 417-450
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540179
[Journal Article] Epimorphisms between 2-bridge knot groups2008
- Author(s)
  T. Ohtski, R. Riley, M. Sakuma
- Journal Title
  
  Geometry and Topology Monograph 1909(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17654016
[Journal Article] Epimorphisms among 2-bridge knot groups, The Zieschang Gedenkschrift2008
- Author(s)
  Tomotada Ohtsuki and Makoto Sakuma
- Journal Title
  
  Geometry and Topology Monograph 14
  
  Pages : 417-450
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Punduced torus groups and 2-bridge knot groups (I)2007
- Author(s)
  H.Akiyoshi, H.sakuma, H.woda, Y.Yamashita
- Journal Title
  
  Lecture Notes in Mathematics, Springer-Verlag (印刷中)
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Epimorphisms among 2-bridge knot groups from the view point of markoff maps2007
- Author(s)
  Makoto Sakuma
- Journal Title
  
  Intelligence of low dimensional topology 2006, Eds. J. Scott carter etal (World Scientific.)
  
  Pages : 279-286
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Epimorphisms between 2-bridge knot groups.2007
- Author(s)
  T.Ohtsuki, R.Rileg, M.Sakuma
- Journal Title
  
  geometry Topology Monograph (印刷中)
- Data Source
  KAKENHI-PROJECT-17654016
[Journal Article] Epimorphisms between 2-bridge kont groups from the view point of Markoft mps2007
- Author(s)
  M.Sakuma
- Journal Title
  
  Proc. of the workshop, Intelligence of lowdim. topology (印刷中)
- Data Source
  KAKENHI-PROJECT-17654016
[Journal Article] Punctured torus groups and 2-bridge knot groups I2007
- Author(s)
  Hirotaka Akiyoshi, Makoto Sakuma, Masaaki Wada, Yasushi Yamashita
- Journal Title
  
  Lecture Notes in Mathematics, 1909, Springer
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540194
[Journal Article] Epimorphisms among 2-bridge knot groups from the view point of markoff maps, Intelligence of low dimensional topology 20062007
- Author(s)
  Makoto Sakuma
- Journal Title
  
  World Scientific ( J. Scott carter, etal)
  
  Pages : 279-286
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Epimorphisms between 2-bridge knot groups2007
- Author(s)
  T.Ohtsuki, R.Riloy, M.Sakuma
- Journal Title
  
  geometry and Topology Monograph (印刷中)
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Epimorphisms between 2-bridge knot groups from the view point of markoff maps2007
- Author(s)
  M.Sakuma
- Journal Title
  
  Proc. of the workshop, Intelligence of lowdim. topology (印刷中)
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] variations of McShane's identity for punctured surface groups, Proceedings of the workshop "Spaces of Kleinan groups and hyperbolic 3-manifolds"2006
- Author(s)
  Hirotaka Akiyoshi, Hideki Miyachi, Makoto Sakuma
- Journal Title
  
  London Math. Soc. Lecture Note Series(Y. Minsky, etal. ) 329
  
  Pages : 151-185
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Variations of McShane's identity for punctured surface groups2006
- Author(s)
  Akiyoshi, Miyachi, Sakuma
- Journal Title
  
  London Math. Soc. Lecture Note Ser 326
  
  Pages : 151-185
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Variations of Mcshanes indentify for punctured surface groups2006
- Author(s)
  H.Akiyoshi, H.Miyachi, H.Sakuma
- Journal Title
  
  London Math. Soc. Lect. Notes Series 329
  
  Pages : 151-185
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] variations of McShane's identity for punctured surface groups, Proceedings of the workshop "Spaces of Kleinan groups and hyperbolic 3-manifolds", Eds. Y. Minsky etal. London Math. Soc2006
- Author(s)
  Hirotaka Akiyoshi, Hideki MiyachiM and Makoto Sakuma
- Journal Title
  
  Lecture Note Series 329
  
  Pages : 151-185
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] Variations of McShane's identity for punctured surface groups, Proceedings the Workshop "Space of Kleinian groups and hyperbolic 3-manifolds" London Math2006
- Author(s)
  H.Akiyoshi, H. Miyachi and M. Sakuma
- Journal Title
  
  Soc., Lecture Note Series 329
  
  Pages : 151-185
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540179
[Journal Article] Variations of McShane's identity for punctured surface groups2006
- Author(s)
  Sakuma, Makoto, et al.
- Journal Title
  
  London Mathematical Society Lecture Note 329
  
  Pages : 151-185
- Data Source
  KAKENHI-PROJECT-18540179
[Journal Article] Variations of McShane's identity for punctured surface groups. Spaces of Kleinian groups2006
- Author(s)
  Hirotaka Akiyoshi, Hideki Miyachi, Makoto Sakuma
- Journal Title
  
  London Math. Soc. Lecture Note Ser.(Cambridge Univ.Cambridge) 329(Press)
  
  Pages : 151-185
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] A refinement of McShane's identity for quasifuchsian punctured torus groups2004
- Author(s)
  H.Akiyoshi, H.Miyachi, M.Sakuma
- Journal Title
  
  Contemporary Mathematics 355
  
  Pages : 21-40
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] A refinement of McShane's identity for quasifuchsian punctured torus groups,2004
- Author(s)
  SAKUMA, Makoto
- Journal Title
  
  Contemporary Math.A.M.S. 355
  
  Pages : 21-40
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] A refinement of McShane's identity for quanguchsian punctures tones groups2004
- Author(s)
  M.Sakuma
- Journal Title
  
  Contemp. Math, Amer. Math. Soc. 40
  
  Pages : 21-40
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Jorgensen's picture of quasifuchsian punctured torus groups,2003
- Author(s)
  SAKUMA, Makoto
- Journal Title
  
  London Math.Soc., Lecture Note Series. 299
  
  Pages : 247-273
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Jorgensen's picture of quasifuchsian punctured torus groups2003
- Author(s)
  H.Akiyoshi, M.Sakuma, M.Wada, Y.Yamashita
- Journal Title
  
  London Math.Soc.Lect.Note Series 299
  
  Pages : 247-273
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Comparing two convex hull constructions of cusped hyperbolic manifolds2003
- Author(s)
  H.Akiyoshi, M.Sakuma
- Journal Title
  
  London Math.Soc.Lect.Note Series 299
  
  Pages : 209-246
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Comparing two convex hull constructions for cusped hyperbolic manifolds,2003
- Author(s)
  SAKUMA, Makoto
- Journal Title
  
  London Math.Soc., Lecture Note Series. 299
  
  Pages : 209-246
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Jorgensen's picture of punctured tones groups and its definement2003
- Author(s)
  M.Sakuma
- Journal Title
  
  London Math. Soc. Lect. Note Sei. 299
  
  Pages : 247-273
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Comparing two convex hull constructions for cusped hyperbolic mangles2003
- Author(s)
  M.Sakuma
- Journal Title
  
  London Math. Soc. Lect. Note Sei. 299
  
  Pages : 209-246
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Variations of McShane's identity for punctured surface groups
- Author(s)
  M.Sakuma
- Journal Title
  
  London Math. Society, Lect. Note Series (印刷中)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Epimorphisms between 2-bridge knot groups
- Author(s)
  作間誠
- Journal Title
  
  Geometry and Topology Monograph (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540194
[Journal Article] Variations of McShane's identity for punctured surface groups
- Author(s)
  H.Akiyoshi, H.Miyachi, M.Sakuma
- Journal Title
  
  London Math.Soc.Lect.Note Series (出版予定)(印刷中)
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] Variations of McShane's identity for punctured surface groups,
- Author(s)
  SAKUMA, Makoto
- Journal Title
  
  London Math.Soc., Lecture Note Series (In press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] On the distance between two Seifert surfaces of a knot
- Author(s)
  M.Sakuma and K.Shackleton
- Journal Title
  
  to appear in Osaka Journal of Mathematics
  
  Pages : 0-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] End Invariants of SL(2,C) characters of the once-punctured torus2018
- Author(s)
  Makoto Sakuma
- Organizer
  Low dimensional topology and number theory X
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Fiber surfaces and Heegaard surfaces of 3-manifolds2018
- Author(s)
  作間誠
- Organizer
  Geometry of Moduli Space of Low Dimensional Manifolds 京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Fiber surfaces and Heegaard surfaces of 3-manifolds I, II2018
- Author(s)
  Makoto Sakuma
- Organizer
  Geometry of Moduli Space of Low Dimensional Manifolds
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] ３次元多様体のファイバー曲面とヘガード曲面2017
- Author(s)
  作間誠
- Organizer
  日本数学会　秋季総合分科会　幾何学賞特別講演　山形大学
- Invited
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] ３次元多様体のファイバー曲面とヘガード曲面2017
- Author(s)
  作間　誠
- Organizer
  2017年度日本数学会周期総合分科会
- Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Agol's classification of Kleinian groups generated by two parabolic transformations2017
- Author(s)
  Makoto Sakuma
- Organizer
  Growth 4
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Parabolic generating pairs of 2-bridge links and Heckoid groups2016
- Author(s)
  作間　誠
- Organizer
  「リーマン面，不連続群」研究集会
- Place of Presentation
  東京工業大学
- Year and Date
  2016-02-13
- Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] The action of the mapping class group on the space of geodesic rays of a punctured hyperbolic surface2016
- Author(s)
  作間誠
- Organizer
  早稲田双曲幾何幾何学的群論セミナー
- Place of Presentation
  早稲田大学
- Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Parabolic generating pairs of 2-bridge links and Heckoid groups2016
- Author(s)
  Makoto Sakuma
- Organizer
  Workshop on Teichmuller theory and low dimensional topology
- Place of Presentation
  三亜（中国）
- Year and Date
  2016-01-11
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] 結び目と３次元多様体　~幾何構造とファイバー構造を中心として～2016
- Author(s)
  作間誠
- Organizer
  第６３回トポロジーシンポジウム
- Place of Presentation
  神戸大学
- Year and Date
  2016-07-05
- Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] 結び目と3次元多様体ー幾何構造とファイバー構造を中心にしてー2016
- Author(s)
  作間誠
- Organizer
  第63回トポロジーシンポジウム
- Place of Presentation
  神戸大学(兵庫県神戸市)
- Year and Date
  2016-07-06
- Invited
- Data Source
  KAKENHI-PROJECT-24540082
[Presentation] Kleinian groups generated by two parabolic transformation groups2016
- Author(s)
  Makoto Sakuma
- Organizer
  Fundamental Groups, Representations and Geometric Structures in 3-Manifold Topology
- Place of Presentation
  広島大学(広島県東広島市)
- Year and Date
  2016-11-21
- Invited
- Data Source
  KAKENHI-PROJECT-24540082
[Presentation] Kleinian grpups generated by two parabolic transformations2016
- Author(s)
  Makoto Sakuma
- Organizer
  Fundamental Groups, Representations and Geometric Structures in 3-manifold Topology
- Place of Presentation
  広島大学
- Year and Date
  2016-11-22
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Mapping class group action on the space of geodesic rays of a punctured hyperbolic surface2015
- Author(s)
  Makoto Sakuma
- Organizer
  Invariants in low-dimensional geometry
- Place of Presentation
  アンカラ（トルコ）
- Year and Date
  2015-08-10
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] The Cannon-Thurston maps and canonical decompositions of punctured surface bundles ovr the circle2015
- Author(s)
  作間誠
- Organizer
  東京大学火曜トポロジーセミナー
- Place of Presentation
  東京大学(東京都目黒区)
- Year and Date
  2015-06-30
- Invited
- Data Source
  KAKENHI-PROJECT-24540082
[Presentation] ２橋絡み目群のメリディアン生成系2015
- Author(s)
  作間　誠
- Organizer
  N-KOOKセミナー
- Place of Presentation
  大阪市立大学文化交流センター
- Year and Date
  2015-12-09
- Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] The space of two-parabolic-generator Kleinian groups2015
- Author(s)
  作間　誠
- Organizer
  拡大KOOKセミナー
- Place of Presentation
  神戸大学
- Year and Date
  2015-08-18
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] The Cannon-Thurston maps and the canonical decompositions of punctured surface bundles over the circle2015
- Author(s)
  作間　誠
- Organizer
  東京大学火曜トポロジーセミナー
- Place of Presentation
  東京大学
- Year and Date
  2015-06-30
- Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Parabolic generating pairs of genus-one 2-bridge knot groups2015
- Author(s)
  Makoto Sakuma
- Organizer
  Topology and geometry of low dimensional manifolds
- Place of Presentation
  奈良女子大学
- Year and Date
  2015-10-27
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03620
[Presentation] Simple loops on bridge spheres and Heegaard surfaces2013
- Author(s)
  作間　誠
- Organizer
  日本数学会2013年度年会　トポロジー分科会特別講演
- Place of Presentation
  京都大学
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] The space of Kleinian groups generated by two parabolic transformations2013
- Author(s)
  Makoto Sakuma
- Organizer
  Knots Indea
- Place of Presentation
  Indian Institute of Science Education and Research (IISER) Mohali, インド
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] ８の字結び目補空間の双曲構造2013
- Author(s)
  作間　誠
- Organizer
  Encounter with Mathematics
- Place of Presentation
  中央大学
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Simple loops on bridge spheres and Heegaard surfaces2013
- Author(s)
  作間　誠
- Organizer
  酒井健様お祝いの会
- Place of Presentation
  武蔵野美術大学新宿サテライト教室
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Simple loops on bridge spheres and Heegaard surfaces2013
- Author(s)
  Makoto Sakuma
- Organizer
  Geometry Days 2013
- Place of Presentation
  Sobolev Institute of Mathematics, Nobosivirsk, ロシア
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Epimorphisms from 2-bridge link groups onto Heckoid groups2012
- Author(s)
  Makoto Sakuma
- Organizer
  Tokyo Workshop on low-dimensional topology
- Place of Presentation
  東京工業大学
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Simple loops on 2-bridge spheres in even Heckoid orbifolds for 2-bridge links2012
- Author(s)
  Makoto Sakuma
- Organizer
  Low-dimensional Geometry and Topology
- Place of Presentation
  東京工業大学
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] On Heckoid groups for2-bridge links2012
- Author(s)
  Makoto Sakuma
- Organizer
  Low dimensional topologyand number theory IV
- Place of Presentation
  九州大学
- Year and Date
  2012-03-14
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Kleinian groups generated by two parabolic transformations2012
- Author(s)
  Makoto Sakuma
- Organizer
  研究集会「特異点と多様体の幾何学」
- Place of Presentation
  山形大学
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] End invariants of Heckoid groups for 2-bridge links2012
- Author(s)
  Makoto Sakuma
- Organizer
  RIMS合宿型セミナー「Representation spaces, twisted topological invariants and geometric structures of 3-manifolds」
- Place of Presentation
  強羅静雲荘
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] On Heckoid groups for 2-bridge links2012
- Author(s)
  Makoto Sakuma
- Organizer
  Group actions and applications in geometry, topology and analysis
- Place of Presentation
  Kunming, Chaina
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Epimorphisms from 2-bridge links onto Heckoid groups2012
- Author(s)
  Makoto Sakuma
- Organizer
  Tokyo workshop on low-dimensional topology
- Place of Presentation
  東京工業大学(招待講演)
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] On Heckoid groups for 2-bridge links2012
- Author(s)
  Makoto Sakuma
- Organizer
  Low dimensional topology and number theorey IV
- Place of Presentation
  九州大学(招待講演)
- Year and Date
  2012-03-14
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Prime amphicheiral knots admitting a free involution2012
- Author(s)
  作間誠
- Organizer
  結び目理論の展望
- Place of Presentation
  早稲田大学
- Year and Date
  2012-03-18
- Data Source
  KAKENHI-PROJECT-21244005
[Presentation] Simple loops on 2-bridge spheres in 2-bridge link complements2011
- Author(s)
  Makoto Sakuma
- Organizer
  Workshop on low-dimensional topology in Shanghai and Suzhou
- Place of Presentation
  華東師範大学,中国
- Year and Date
  2011-05-15
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Simple loops on 2-bridge spheres in 2-bridge link complements2011
- Author(s)
  Makoto Sakuma
- Organizer
  Aspects of Hyperbolicity in Geometry, Topology and Dynamics
- Place of Presentation
  Warwick大学(英国)(招待講演)
- Year and Date
  2011-07-28
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Simple loops on 2-bridge spheres in 2-bridge link complements2011
- Author(s)
  Makoto Sakuma
- Organizer
  Workshop on low-dimensional topology in Shanghai and Suzhou
- Place of Presentation
  華東師範大学,中国(招待講演)
- Year and Date
  2011-05-15
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Simple loops on 2-brid ge spheres in 2-bridge link complements, Hyperbolicity in geometry2011
- Author(s)
  Makoto Sakuma
- Organizer
  topology and dynami cs
- Place of Presentation
  Warwick大学,英国
- Year and Date
  2011-07-28
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Prime amphicheiral knots admitting a free involution2011
- Author(s)
  作間誠
- Organizer
  結び目の展望
- Place of Presentation
  早稲田大学
- Year and Date
  2011-07-28
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] End invariants for SL(2, C) characters of the once-punctured torus associated with 2-bridge links2011
- Author(s)
  Makoto Sakuma
- Organizer
  Geometric and analytic approaches to representations of a group and representation spaces
- Place of Presentation
  数理解析研究所
- Year and Date
  2011-06-21
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] On Heckoid groups for2-bridge links2011
- Author(s)
  Makoto Sakuma
- Organizer
  離散群と双曲空間
- Place of Presentation
  数理解析研究所
- Year and Date
  2011-12-16
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Simple loops on 2-bridge spheres in 2-bridge link complements2011
- Author(s)
  Makoto Sakuma
- Organizer
  Aspects of Hyperbolicity in Geometry, Tbpology and Dynamics
- Place of Presentation
  Warwick大学,UK(招待講演)
- Year and Date
  2011-07-28
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] A variation of McShane's identity for 2-bridge links2010
- Author(s)
  作間誠
- Organizer
  Geometry, Topology and Dynamics of Character Varieties
- Place of Presentation
  シンガポール国立大学シンガポール(招待講演)
- Year and Date
  2010-08-13
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Epimorphisms between 2-bridge link groups : simple loops on 2-bridge spheres2010
- Author(s)
  Makoto Sakuma
- Organizer
  The 6^<th> East Asian School of Knots and Related Topics
- Place of Presentation
  Nankai University
- Year and Date
  2010-01-27
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] Epimorphisms between 2-bridge link groups : Essential simple loops on 2-bridge spheres, RIMS Seminar2010
- Author(s)
  Makoto Sakuma
- Organizer
  Twisted topological invariants and low-dimensional manifolds
- Place of Presentation
  あきた白神体験センター
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] variations of McShane. s identi ties for 2-bridge links2010
- Author(s)
  作間誠
- Organizer
  リーマン面・不連続群論」研究集会
- Place of Presentation
  名古屋大学
- Year and Date
  2010-01-11
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Epimorphisms betw een 2-bridge link groups : simple loops on 2-b ridge spheres2010
- Author(s)
  Makoto Sakuma
- Organizer
  The 6^th East Asian School o f Knots and Related Topics
- Place of Presentation
  nankai University,中国
- Year and Date
  2010-01-27
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] A variation of McShane's identity for 2-bridge links2010
- Author(s)
  作間誠
- Organizer
  Geometry, Topology and Dynamics of Character Varieties
- Place of Presentation
  シンガポール国立大学シンガポール(招待講演)
- Year and Date
  2010-08-13
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Epimorphisms between 2-bridge link groups : simple loops on 2-bridge spheres2010
- Author(s)
  Makoto Sakuma
- Organizer
  The 6^<th> East Asian School of Knots and Related Topics
- Place of Presentation
  Nankai University ・中国
- Year and Date
  2010-01-27
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Epimorphisms between 2-bridge link groups: simple loops on 2-bridge spheres2010
- Author(s)
  Makoto Sakuma
- Organizer
  The 6th East Asian School of Knots and Related Topics
- Place of Presentation
  Nankai University, 中国
- Year and Date
  2010-01-27
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] A variation of McShan e' s identity for 2-bridge links, Geometry2010
- Author(s)
  Makoto Sakuma
- Organizer
  Top ology and Dynamics of Character Varieties
- Place of Presentation
  シンガポール国立大学,シンガポール
- Year and Date
  2010-08-13
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Epimorphisms among 2-bridge knots and end invariants of SL(2, C)2009
- Author(s)
  作間誠
- Organizer
  Swiss Knots
- Place of Presentation
  フリブール大学(スイス)
- Year and Date
  2009-03-19
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] Epimorphisms among 2-bridge knot groups and end invariants of SL(2, C)-representations2009
- Author(s)
  Makoto Sakuma
- Organizer
  国際研究集会「Swiss Knots」
- Place of Presentation
  Univ. Fribourg, スイス
- Year and Date
  2009-03-19
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] Generalized McShane2009
- Author(s)
  作間誠
- Organizer
  s identi ties for bordered surfaces
- Place of Presentation
  東京工業大学
- Year and Date
  2009-12-21
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Punctured torus bundles : Co mparing two tessellations of the complex plane2009
- Author(s)
  作間誠
- Organizer
  近畿大学数学教室講演会
- Place of Presentation
  近畿大学
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Punctured torus bundles : Co mparing two tessellations of the complex plane2009
- Author(s)
  作間誠
- Organizer
  火曜トポロジーセミナー.招待講演
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-21654011
[Presentation] Punctured torus bundles: Two tessellations of the complex plane2008
- Author(s)
  M.Sakuma
- Organizer
  Topology Seminar
- Place of Presentation
  University of Automata, Barcelona スペイン・バルセロナ
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] Punctured torus bundles: Two tessellations of the complex plane2008
- Author(s)
  M.Sakuma
- Organizer
  Topology and Geometry Seminar
- Place of Presentation
  University of Paul Sabatier, Toulouse フランス・ツールーズ
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] Comparing two tessellations associated with punctured torus bundles overs the circle2008
- Author(s)
  Makoto Sakuma
- Organizer
  国際研究集会「Intelligence of low dimensional topology」
- Place of Presentation
  大阪市立大学
- Year and Date
  2008-10-08
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] Comparing two tessellations associated with punctured torus bundle over circle2008
- Author(s)
  M.Sakuma
- Organizer
  TAPU Workshop
- Place of Presentation
  韓国・釜山大学
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] Comparing two tessellations associated with punctured torus bundle over circle2008
- Author(s)
  M.Sakuma
- Organizer
  Intelligence of Low Dimensional Topology
- Place of Presentation
  大阪市立大学
- Year and Date
  2008-10-08
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] On the distance between two Seifert surfaces of a knot2007
- Author(s)
  M. Sakuma
- Organizer
  Geometric Topology Conference-Beijing 2007
- Place of Presentation
  北京大学
- Year and Date
  2007-06-19
- Data Source
  KAKENHI-PROJECT-17654016
[Presentation] On the diatance between two Seifert surfaces of a knot2007
- Author(s)
  Makoto Sakuma
- Organizer
  国際研究集会「Braids, Groups and Manifolds in Toulouse」
- Place of Presentation
  Univ. Paul Sabatier, フランス
- Year and Date
  2007-09-08
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] n the diatance between two Seifert surfaces of a knot2007
- Author(s)
  Makoto Sakuma
- Organizer
  国際会議「Geometry and Topology Conference」
- Place of Presentation
  北京大学, 中国
- Year and Date
  2007-06-19
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] On the distance between two Seifert surfaces of a knot2007
- Author(s)
  作間誠
- Organizer
  Geometric Topology Conference
- Place of Presentation
  北京大学
- Year and Date
  2007-06-19
- Data Source
  KAKENHI-PROJECT-19540194
[Presentation] On the diatance between two Seifert surfaces of a knot2007
- Author(s)
  Makoto Sakuma
- Organizer
  国際会議「Geometry and Topology Conference」
- Place of Presentation
  北京大学
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] 円周上の穴あきトーラス束の標準分割とCannon-Thurston写像2007
- Author(s)
  M.Sakuma
- Organizer
  第50回函数論シンポジウム
- Place of Presentation
  群馬大学
- Year and Date
  2007-10-08
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] On the distance between two Seifert surfaces of a knot2007
- Author(s)
  M. Sakuma
- Organizer
  Geometric Topology Conference-Beijing 2007
- Place of Presentation
  北京大学
- Year and Date
  2007-06-19
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] Geometry and topology of 2-bridge knots2006
- Author(s)
  M.Sakuma
- Organizer
  Workshop on Analytic Aspects of Low Dimensional Geometry
- Place of Presentation
  Univeristy of Warwick イギリス・ウォーリック
- Year and Date
  2006-09-08
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] Epimorphisms between 2-bridge knot group from the view of Markoff maps2006
- Author(s)
  M.Sakuma
- Organizer
  Intelligence of Low Dimensional Topology
- Place of Presentation
  広島大学
- Year and Date
  2006-07-23
- Data Source
  KAKENHI-PROJECT-18540179
[Presentation] Punctured torus groups and 2-bridge knot groups2006
- Author(s)
  Makoto Sakuma
- Organizer
  国際研究集会「Analytic aspects of low dimensional geometry」
- Place of Presentation
  arwick University, 英国
- Year and Date
  2006-09-15
- Data Source
  KAKENHI-PROJECT-18340018
[Presentation] Mapping class group action on the space of geodesic rays of a punctured hyperbolic surface
- Author(s)
  Makoto Sakuma
- Organizer
  リーマン面に関連する位相幾何学
- Place of Presentation
  東京大学
- Year and Date
  2014-08-24 – 2014-08-28
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Mapping class group action on the space of geodesic rays of a punctured hyperbolic surface
- Author(s)
  Makoto Sakuma
- Organizer
  Branched coverings, degenerations, and related topics 2015
- Place of Presentation
  東北学院大学
- Year and Date
  2015-02-22 – 2015-02-24
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Mapping class group action on the space of geodesic rays of a punctured hyperbolic surface
- Author(s)
  Makoto Sakuma
- Organizer
  Low dimensional topology and number theory VI
- Place of Presentation
  九州大学
- Year and Date
  2015-03-25 – 2015-03-28
- Invited
- Data Source
  KAKENHI-PROJECT-22340013
[Presentation] Mapping class group action on the space of geodesic rays of a punctured hyperbolic surface
- Author(s)
  Makoto Sakuma
- Organizer
  Topology and Geometry of Low-dimensional Manifolds
- Place of Presentation
  奈良学セミナーハウス
- Year and Date
  2014-10-27 – 2014-10-30
- Invited
- Data Source
  KAKENHI-PROJECT-22340013

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Sakuma Makoto 作間 誠

MAKOTO Sakuma 作間 誠

佐間 誠 サクマ マコト

作間 誠 サクマ マコト

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Geometry of discrete groups and its applications to 3-dimensional topologyOngoing

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３次元多様体の幾何構造と組合せ構造Principal InvestigatorOngoing

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Geometric structure and combinatorial structure of 3-dimensional manifoldsPrincipal Investigator

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Indiscrete representations of discrete groupsPrincipal Investigator

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Heegaard structures and geometric structures of 3-manifoldsPrincipal Investigator

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Sakuma Makoto 作間誠

MAKOTO Sakuma 作間誠

佐間誠サクママコト

作間誠サクママコト