Ohshika Ken'ichi 大鹿健一

… Alternative Names

OHSHIKA Ken'ichi 大鹿健一

大鹿健一

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Researcher Number	70183225
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Affiliation (Current)	2025: 学習院大学, 理学部, 教授
Affiliation (based on the past Project Information) *help	2018 – 2025: 学習院大学, 理学部, 教授 2016 – 2018: 大阪大学, 理学研究科, 教授 2011 – 2016: 大阪大学, 理学(系)研究科(研究院), 教授 2013 – 2015: 大阪大学, 大学院理学研究科, 教授 2007 – 2013: Osaka University, Sciences, Professor … More 2009: 大阪大学, 大学院・数理科学研究科, 教授 2004 – 2007: 大阪大学, 理学研究科, 教授 2005 – 2006: 大阪大学, 大学院理学研究科, 教授 2001 – 2005: 大阪大学, 大学院・理学研究科, 教授 2002: 大阪大学, 理学研究科, 教授 2000: 東京大学, 大学院・数理科学研究科, 助教授 1999: 東大, 数理(科)学研究科, 助教授 1997 – 1998: 東京大学, 大学院・数理科学研究科, 助教授 1991 – 1996: 東京工業大学, 理学部, 助教授 1988: 東京都立大学, 理学部, 助手 Less
Review Section/Research Field	Principal Investigator Geometry / Geometry / Medium-sized Section 11:Algebra, geometry, and related fields / Basic Section 11020:Geometry-related Except Principal Investigator Geometry / Geometry / Basic Section 11020:Geometry-related / 代数学・幾何学 / Basic analysis / Global analysis … More / Basic analysis / General mathematics (including Probability theory/Statistical mathematics) / 解析学 / Algebra Less
Keywords	Principal Investigator Klein群 / Teichmuller空間 / 写像類群 / 変形空間 / 双曲幾何 / 双曲多様体 / クライン群 / 双曲構造 / 3次元多様体 / 力学系 … More / 指標多様体 / ３次元多様体 / タイヒミュラー空間 / Finsler距離 / Teichmuller理論 / ending lamination / tameness / 離散群 / 曲線複体 / 幾何的極限 / 曲面バンドル / Higgs束 / Lorentz計量 / 余接バンドル / Thurston理論 / Thurstonの一意化定理 / Thurston距離 / Kodaira-Spencer理論 / earthquake / 接バンドル / Johnson準同型 / Thurston非対称計量 / クラスター代数 / Finsler計量 / Thurston計量 / 非対称距離 / 表現空間 / conical limit point / 複素力学系 / 不連続性 / 擬等角写像 / Deformation space / Kleinian group / Hyperbolic 3-manifold / 凸芯 / Schottky群 / R-樹 / 関数群 / bounded cohomology / end invariant / 端層状構造 / 3次元双曲多様体 / 不連続領域 / R-tree / Cannon-Thurston写像 / semi-group / dynamics / unmeasured lamination / primitive sability / 自己同型群 / 漸近構造 / 漸近幾何 / Lefschetzファイバー空間 / コンパクト化 / ビリアード / translation surface / タイヒミューラー空間 / stratification / クライン / モジュライ空間 / Translation surface / hierarchy / Riemann面 / end / 調和写像 / 極小曲面 / 位相共役 / 擬等角共役 … More Except Principal Investigator タイヒミュラー空間 / クライン群 / リーマン面 / 多様体 / 力学系 / 微分同相群 / 写像類群 / 双曲幾何学 / 葉層構造 / 2橋結び目 / 3次元多様体 / McShaneの等式 / 離散群 / 幾何構造 / 微分トポロジー / 幾何学 / トポロジー / small cancellation theory / 曲面束 / ザイフェルト曲面 / 錐多様体 / 擬フックス群 / 双曲構造 / 擬等角写像 / Uniformization / 一意化 / 擬共形4元数構造 / 極限集合 / Kleinian group / Riemann surface / 射影構造 / foliation / 特性類 / 接触構造 / 特異点 / 凸幾何学 / モジュライ空間 / 調和写像 / 無限群 / 位相幾何学 / 正則運動 / 2-bridge knot / free period / 分類空間 / 結び目 / 位相幾何 / 錐状特異点 / 平面多角形 / 穴あきトーラス / ヘガード分解 / 穴開トーラス / virtual fiber / Montesinos knot / 垣水複体 / 強可逆結び目 / Cannon-Thurston map / 熱力学形式 / エルゴード理論 / Integrability / 複素力学系 / 双曲幾何 / 高次の接構造 / フィンスラー幾何学 / ローレンツ計量 / 多重グリーン関数 / ベルグマン核 / 有界正則関数 / ローレンツ軽量 / サーストン距離 / ポアソン積分 / 多重ポテンシャル理論 / ヒルベルト幾何学 / 特異平坦構造 / 小平-スペンサー理論 / 複素フィンスラー幾何学 / 無限小変形 / 多重ポテンシャル論 / 複素多様体 / ４次元多様体論 / ３次元多様体論 / 4次元多様体論 / 3次元多様体論 / 結び目理論 / 4次元多様体 / 低次元トポロジー / Teichmuller distance / Teichmuller space / Hyperbolic geometry / Quasiconformal mapping / 平坦構造 / 擬エルミート計量 / 平坦計量 / Seifert Rigidity / Homogenous space / Complex hyperbolic manifold / Heisenberg nilmanifold / Cusp- cross section / Pseudo-conformal quaterninic structure / Quaterninbic CR structure / 標準平坦モデル / 擬共形4元数CR曲率 / パラボリック幾何 / Spherical CR幾何 / Chern-Moser曲率形式 / 擬共形4元数CR幾何構造 / 普遍モデル / 表現 / 剛性 / 可解多様体 / Seifert Fiber space / 複素双曲多様体 / 冪零多様体 / コボルディズム / ローレンツ空間 / 非球形空間 / ホロノミー群 / 展開写像 / 非球形多様体 / 幾何的剛性 / ローレンツ多様体 / ホロノミ群 / 幾何一意化 / 展開写像対 / 擬共形四元数CR幾何 / singularity / homotopv group / hyperbolic space / manning class group / dynamical systems / roun action / manifold / ホモトピー群 / 双曲空間 / 写像群 / 群作用 / invariant sets / dynamics of group actions / characteristic classes / classifying spaces / diffeomorphism groups / geometric theory of groups / transformation grouns / infinite groups / 等長変換群 / 区分線形構造 / アノソフ流 / 極小集合 / 横断構造 / 幾何的群論 / 無限変換群 / 不変集合 / 群作用のダイナミクス / 群の幾何的理論 / 変換群 / Obstruction / Vanishing / Conformal structure / Pseudo-conformal auaternionic CR structure / Quaternionic CRstructure / Gemetric structure / Pseudo-conformal auaternionic structure / Einstein metric / psendo-Riemann metric / Complex contact structure / Contact form / Sasakian 3-structure / Quaternionic Kahler / Quaternionic CR / flatness / noncompact Lie group action / quaternionic hyperbolic space / Heisenberg CR-structure / Sasakion3-structune / CR-structure / Contact Structure / Quaternionic Kahler structure / 消滅 / 障害類 / 共形不変量 / 4元数CR幾何学 / 擬共形4元数CR構造 / Ford domain / Hecguard Splittings / punctured torus / quasi-fuchsian group / カスプ / 双曲結び目 / Weil-Petersson距離 / 穴開きトーラス群 / フォード領域 / 穴開きトーラス / projective structure / low dimensional manifold / hyperbolic geometry / 低次元多様体 / Anosov / contact structure / boundary / Lipschitz / volume preserving / diffeomorphisms / 区分線形同相 / リプシッツ同相 / 葉層 / アノソフ / 境界 / リプシッツ / 保積変換 / 微分同相 / Kleiniaangroup / Floer homology / Hamiltoniansystem / Hyperbolic Geometry / Symplectic Geometry / Geometric Grouptheory / String Theory / Gauge Theory / モース理論 / アレクサンドロフ空間 / 量子群 / モ-ス理論 / 位相的場の理論 / フレア-ホモロジー / ハミルトン系 / シンプレクティック幾何学 / 幾何学的群論 / 弦理論 / ゲージ理論 / Willmore曲面 / Mordell予想 / Chern数 / 算術曲面 / スペクトル幾何 / 部分多様体 / リッチ流 / ヒルベルト計量 / コットン・テンソル / 共形構造 / CAT(0)幾何学 / ベイユ・ピーターソン幾何学 / 正スカラー曲率 / 射影幾何 / 共形幾何 / リーマン計量 / 射影幾何学 / ローレンツ幾何学 / コーシー問題 / アインシュタイン方程式 / 崩壊理論 / モジュライ / CAT(0)空間 / 一般相対性理論 / アインシュタイン計量 / 双曲計量 / 微分幾何学 / 群論 / 微分幾何 / 野性的空間 / 空間形 / Henon写像 / 微分同相写像 / Seifert多様体 / Smale予想 / ストレンジ・アトラクタ / 曲線複体 / 代数的極限 / ヘテロ次元接触 / エノン写像 / スメール予想 / 幾何的極限 / 双曲多様体 / Smale 予想 / 生成作用素 / 力学ゼータ関数 / 確率解析 / 測地流 / ブラウン運動 / 拡散過程 / タイヒミュラー空間論 / くりこみ / ベキ変形,close-to-convex / Martin境界 / リーマン面の退化 / 多国籍 / 国際情報交換 / 国際研究者交流 / 複素解析 / Klein群 / 楕円的モンテシノス絡み目 / 解消トンネル / 2橋球面 / Heckoid orbifold / Heegaard decomposition / Heckoid group / モノドロミー群 / ２橋結び目 / cusp shape / McShane's identity / Heegaard splitting / bridge decomposition / 2-bridge link / 橋分解 / 結び目群 / エンド不変量 / 2橋絡み目 / 非離散表現 / 位相亜群 / 離散部分群 / トーリックトポロジー / シンプレクティック幾何 / 群 / 多角形 / ユークリッド構造 / 錐状特異点付きユークリッド構造 / 錐状特異点つきユークリッド構造 / 穴あきトーラス束 / Cannon-Thurston-Dicks分解 / Canonical decomposition / Cannon-Thurston写像 / へガード分解 / 標準的分割 / 双対性 / 球面構造 / 閉測地線 / スーパー空間 / 正値性 / スピン / 大域解析学 / Milnor-Wood 不等式 / Godbillon-Vey 不変量 / Lagrange 部分多様体 / Floer ホモロジー / Reidemeister torsion / 調和形式 / 曲率作用表 / オイラー・ポアンカレ標数 / 保型形式 / Cauchy-Riemann変換 / 共形変換 / rigidit / quaternionic structure / CR structine / Conformally flat structure / 値分布論 / 有理写像 / フックス群 / limit set / Complex dinamics / Kleinnian group / Stationary phase method / Ample vector bundles / Newton boundary / nonーdegenerate / Toric blowingーup Less

複素幾何学的側面からの統一的理解を目指したタイヒミュラー理論の展開
- Principal Investigator
  
  宮地秀樹
- Project Period (FY)
  2025 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kanazawa University
３次元トポロジーへの応用を目指した離散群の表現空間と大域幾何の研究Principal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Gakushuin University
Reconstructing the Thurston theory based on Higgs bundles and its new developmentPrincipal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  2020 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Pioneering)
- Review Section
  
  Medium-sized Section 11:Algebra, geometry, and related fields
- Research Institution
  Gakushuin University
タイヒミュラー空間論の複素解析的側面の深化と多角的視点からの新展開
- Principal Investigator
  
  宮地秀樹
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kanazawa University
Various evolutions of Teichmuller theoryPrincipal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  2018 – 2024
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 11:Algebra, geometry, and related fields
- Research Institution
  Gakushuin University
  Osaka University
Geometry of discrete groups and its applications to 3-dimensional topologyPrincipal Investigator
- Principal Investigator
  
  Ohshika Ken'ichi
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Gakushuin University
  Osaka University
Remodelling Kleinin group theory using ergodic theory and complex analysisPrincipal Investigator
- Principal Investigator
  
  Ohshika Ken'ichi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Degeneration and collapsing of Kleinian groups; geometry and analysis of the compactification of their defamation spaces
- Principal Investigator
  
  Shiga Hiroshige
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Kyoto Sangyo University
  Tokyo Institute of Technology
Combinatorial models of character varieties and the dynamics of group actions therePrincipal Investigator
- Principal Investigator
  
  OHSHIKA Ken'ichi
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka 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
Geometry of moduli spaces for low dimensional manifolds
- Principal Investigator
  
  Yamada Sumio
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Gakushuin University
  Tohoku University
Teichmuller space and its topological dynamics via flat singular metrics on a surface
- Principal Investigator
  
  Nishi Haruko
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Josai University
Global geometric studies on Kleinian groups and Teichmuller spacesPrincipal Investigator
- Principal Investigator
  
  Ohshika Ken'ichi
- Project Period (FY)
  2010 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Geometric structure and combinatorial structure of 3-dimensional manifolds
- 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
Analysis of degenerations and singularities of Kleinian groups and complex dynamics
- Principal Investigator
  
  SHIGA Hiroshige
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Tokyo Institute of Technology
Ergodic-theoretical study of dynamical systems and stochastic processes related to the theory of Teichmuller spaces
- Principal Investigator
  
  MORITA Takehiko
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Global analysis
- Research Institution
  Osaka University
Uniform research of topological Kleinian groups by using geometric limits
- Principal Investigator
  
  SOMA Teruhiko
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Metropolitan University
Dynamics on curve complexes and asymptotic structure of mapping class groupsPrincipal Investigator
- Principal Investigator
  
  OHSHIKA Kenichi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Indiscrete representations of discrete groups
- 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
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
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
Translation surfacesのモジュライ空間の位相幾何学Principal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Heegaard structures and geometric structures of 3-manifolds
- Principal Investigator
  
  SAKUMA Makoto (MAKOTO Sakuma)
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hiroshima University
  Osaka University
Euclidean cone structures on a surface and Teichmuller spaces
- Principal Investigator
  
  NISHI Haruko (TAKAYAMA Haruko)
- Project Period (FY)
  2006 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kyushu University
A classification of hyperbolic 3-manifolds and deformation spaces of hyperbolic structuresPrincipal Investigator
- 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
双曲構造と球面構造の双対性
- 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
Synthetic Studies ofTopology
- Principal Investigator
  
  MATSUMOTO Shigenori
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Nihon 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
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
Hecguard Splittings and genetic structures of 3-manifolds
- 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
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
Research on discrete groups and profective strucutures on Riemann surfaces
- Principal Investigator
  
  NAKANISHI Toshihiro
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Nagoya University
Asymptotic structures of non-compact hyperbolic 3-manifoIds and differential geometryPrincipal Investigator
- Principal Investigator
  
  OHSHIKA Ken'ichi
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
  The University of Tokyo
3次元双曲開多様体の無限遠構造と微分幾何学Principal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
極小曲面論を用いたKlein群の研究Principal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
STUDY ON THE GROUPS OF DIFFEOMORPHISMS
- Principal Investigator
  
  TSUBOI Takashi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  THE UNIVERSITY OF TOKYO
古典力学系および群作用のエルゴード理論的研究
- Principal Investigator
  
  盛田健彦
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tokyo Institute of Technology
多様体上の諸構造と不変量
- Principal Investigator
  
  増田一男
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
大域解析学の総合的研究
- Principal Investigator
  
  井上淳
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
Interaction between Geometry and various mathematics
- Principal Investigator
  
  FUKAYA Kenji
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  KYOTO UNIVERSITY
Klein群のautomaticとStructureとR-treeへの群作用Principal Investigator
- Principal Investigator
  
  大鹿健一
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tokyo Institute of Technology
保型形式とL関数の研究
- Principal Investigator
  
  水本信一郎
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo Institute of Technology
多様体上の幾何構造の積分可能性と基本群の表現
- Principal Investigator
  
  KAMISHIMA Yoshinobu
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kumamoto University
複素多様体からの群の表現の解析
- Principal Investigator
  
  SHIGA Hiroshige
- Project Period (FY)
  1992
- Research Institution
  Tokyo Institute of Technology
解析的集合の特異点の幾何構造の研究
- Principal Investigator
  
  岡睦雄
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo Institute of Technology
多様体の幾何学
- Principal Investigator
  
  荻上紘一
- Project Period (FY)
  1987 – 1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo Metropolitan University

[Book] In the Tradition of Thurston II Geometry and Groups2022
- Author(s)
  Ken'ichi Ohshika and Athanase Papadopoulos Ed.
- Total Pages
  526
- Publisher
  Springer
- ISBN
  9783030975593
- Data Source
  KAKENHI-PROJECT-18KK0071
[Book] In the tradition of Thurston II2022
- Author(s)
  Ken'ichi Ohshika, Athanase Papadopoulos Ed
- Total Pages
  526
- Publisher
  Springer
- ISBN
  9783030975609
- Data Source
  KAKENHI-PROJECT-23K22396
[Book] In the tradition of Thurston2020
- Author(s)
  Ken'ichi Ohshika and Athanase Papadopoulos (Ed.)
- Total Pages
  713
- Publisher
  Springer Verlag, Cham
- ISBN
  9783030559304
- Data Source
  KAKENHI-PROJECT-18KK0071
[Book] Kleinian groups which are limits of geometrically finite groups, Mem.Amer.Math.Soc.1772005
- Author(s)
  Ken'ichi Ohshika
- Total Pages
  116
- Publisher
  Amer.Math.Soc.
- Data Source
  KAKENHI-PROJECT-16204004
[Book] Kleinian groups which are limits of geometrically finite groups2005
- Author(s)
  Ohshika, Ken'ichi
- Publisher
  Amer. Math. Soc.
- Data Source
  KAKENHI-PROJECT-17204007
[Book] Kleinian groups which are limits of geometrically finite groups2005
- Author(s)
  Ken'ichi Ohshika
- Publisher
  American Mathematical Society, Mem.Amer.Math.Soc.
- Data Source
  KAKENHI-PROJECT-17340016
[Book] Kleinian groups which are limits of geometrically finite group2005
- Author(s)
  Ken'ichi Ohshika
- Total Pages
  128
- Publisher
  American Mathematical Society
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16204004
[Journal Article] The Teichmuler-Randers metric2024
- Author(s)
  MIyachi Hideki, Ohshika Ken'ichi, Papadoupoulos Athanase
- Journal Title
  
  Ann. Fourier Inst.
  
  Volume: to appear
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18KK0071
[Journal Article] Teichm?ller Theory: Classical, Higher, Super and Quantum2024
- Author(s)
  Ohshika Ken’ichi、Papadopoulos Athanase、Penner Robert C.、Katharina Wienhard Anna
- Journal Title
  
  Oberwolfach Reports
  
  Volume: 20 Issue: 3 Pages: 1843-1892
- DOI
  10.4171/owr/2023/33
- Open Access
- Data Source
  KAKENHI-PROJECT-20K20519, KAKENHI-PROJECT-23K03140, KAKENHI-PROJECT-19K03522
[Journal Article] Thurston’s Broken Windows Only Theorem Revisited2024
- Author(s)
  Ohshika Ken’ichi
- Journal Title
  
  In the tradition of Thurston
  
  Volume: III Pages: 275-297
- DOI
  10.1007/978-3-031-43502-7_8
- ISBN
  9783031435010, 9783031435027
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K20519, KAKENHI-PROJECT-23K22396
[Journal Article] Thurston's bounded image theorem2023
- Author(s)
  Cyril Lecuire, Ken'ichi Ohshika
- Journal Title
  
  Geometry and Topology
  
  Volume: to appear
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20519
[Journal Article] Surface bundles in 3-dimensional topology2023
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Essays in Geometry
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18KK0071
[Journal Article] Surface bundles in 3-dimensional topology2023
- Author(s)
  Ohshika Ken’ichi
- Journal Title
  
  Essays in Geometry
  
  Volume: - Pages: 263-290
- DOI
  10.4171/irma/34/13
- ISBN
  9783985470242, 9783985475247
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K22396
[Journal Article] Realisation of Bending Measured Laminations by Kleinian Surface Groups2023
- Author(s)
  Baba Shinpei、Ohshika Ken’ichi
- Journal Title
  
  International Mathematics Research Notices
  
  Volume: 2023 Issue: 19 Pages: 16674-16707
- DOI
  10.1093/imrn/rnac357
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18KK0071, KAKENHI-PROJECT-20K03610, KAKENHI-PROJECT-23K22396
[Journal Article] Teichmuller Spaces and the Rigidity of Mapping Class Group Actions2022
- Author(s)
  Ohshika Ken’ichi
- Journal Title
  
  Surveys in geometry
  
  Volume: I Pages: 389-415
- DOI
  10.1007/978-3-030-86695-2_10
- ISBN
  9783030866945, 9783030866952
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K20519, KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-23K20211
[Journal Article] Tangent spaces of the Teichmuller space of the torus with Thurston's weak metric2022
- Author(s)
  Miyachi Hideki、Ohshika Ken'ichi、Papadopoulos Athanase
- Journal Title
  
  Annales Fennici Mathematici
  
  Volume: 47 Issue: 1 Pages: 325-334
- DOI
  10.54330/afm.113702
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20519, KAKENHI-PROJECT-18KK0071, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-23K20211, KAKENHI-PROJECT-23K22396
[Journal Article] Shapes of hyperbolic triangles and once-punctured torus groups2021
- Author(s)
  Kim Sang-hyun、Koberda Thomas、Lee Jaejeong、Ohshika Ken’ichi、Tan Ser Peow、Gao Xinghua
- Journal Title
  
  Mathematische Zeitschrift
  
  Volume: 未定 Issue: 3-4 Pages: 2103-2130
- DOI
  10.1007/s00209-021-02745-3
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-23K20211
[Journal Article] Discontinuous motions of limit sets2021
- Author(s)
  Mahan Mj, Ken'ichi Ohshika,
- Journal Title
  
  Albebraic and Geometric Topology
  
  Volume: 未定
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20519
[Journal Article] Classification of non-free Kleinian groups generated by two parabolic transformations2021
- Author(s)
  Akiyoshi Hirotaka、Ohshika Ken’ichi、Parker John、Sakuma Makoto、Yoshida Han
- Journal Title
  
  Transactions of the American Mathematical Society
  
  Volume: 374 Issue: 3 Pages: 1765-1814
- DOI
  10.1090/tran/8246
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03497, KAKENHI-PROJECT-20K03614, KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-23K20211
[Journal Article] Geometry of Kleinian groups and its applications2021
- Author(s)
  Ohshika Ken’ichi
- Journal Title
  
  Sugaku Expositions
  
  Volume: 34 Issue: 2 Pages: 123-139
- DOI
  10.1090/suga/460
- NAID
  130007683915
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-23K20211
[Journal Article] Continuous and discontinuous functions on deformation spaces of Kleinian groups2021
- Author(s)
  Ohshika Ken’ichi
- Journal Title
  
  Topology and Geometry
  
  Volume: NA Pages: 477-502
- DOI
  10.4171/irma/33-1/22
- ISBN
  9783985470013, 9783985475018
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-18KK0071
[Journal Article] Discontinuous motions of limit sets2021
- Author(s)
  Mj Mahan、Ohshika Ken’ichi
- Journal Title
  
  Algebraic and Geometric Topology
  
  Volume: 21 Issue: 7 Pages: 3401-3444
- DOI
  10.2140/agt.2021.21.3401
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-20K20519, KAKENHI-PROJECT-23K20211
[Journal Article] Divergence, exotic convergence and self-bumping in quasi-Fuchsian spaces,2020
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann Fac Sci Math Toulouse
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18KK0071
[Journal Article] Divergence, exotic convergence and self-bumping in quasi-Fuchsian spaces2020
- Author(s)
  Ohshika Ken’ichi
- Journal Title
  
  Annales de la Faculte des sciences de Toulouse : Mathematiques
  
  Volume: 29 Issue: 4 Pages: 805-895
- DOI
  10.5802/afst.1647
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18KK0071
[Journal Article] Geometry and Topology of Geometric Limits I2020
- Author(s)
  Ohshika Ken’ichi、Soma Teruhiko
- Journal Title
  
  In the tradition of Thurston
  
  Volume: 1 Pages: 291-363
- DOI
  10.1007/978-3-030-55928-1_9
- ISBN
  9783030559274, 9783030559281
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K20519, KAKENHI-PROJECT-23K20211
[Journal Article] Divergence, exotic convergence and self-bumping in quasi-Fuchsian spaces2020
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann. Fac. Sci. Toulouse
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13756
[Journal Article] Poincare's geometric worldview and philosophy2019
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  to appear in Geometry in History, edited by S. G. Dani, Athanase Papadopoulos
  
  Volume: - Pages: 435-450
- DOI
  10.1007/978-3-030-13609-3_10
- ISBN
  9783030136086, 9783030136093
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-18KK0071, KAKENHI-PROJECT-17H02843
[Journal Article] Poincare's geometric worldview and philosophy2019
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Geometry in History
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13756
[Journal Article] Bijections of geodesic lamination space preserving left Hausdorff convergence2019
- Author(s)
  Ohshika Ken’ichi、Papadopoulos Athanase
- Journal Title
  
  Monatshefte fur Mathematik
  
  Volume: 印刷中 Issue: 3 Pages: 507-521
- DOI
  10.1007/s00605-018-1233-4
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02843
[Journal Article] Degeneration of marked hyperbolic structures in dimensions 2 and 32018
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Handbook of Group Actions III, Advanced Lectures in Mathematics
  
  Volume: 40 Pages: 13-35
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13756
[Journal Article] La topologie, la philosophie, et l'enseignement mathematique selon Rene Thom: le regne de la geometrie2018
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Rene Thom, temoignages sur l'homme et son oeuvre, CNRS Editions
  
  Volume: - Pages: 323-340
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13756
[Journal Article] Degeneration of marked hyperbolic structures in dimensions $2$ and $3$2018
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Advanced Lectures in Mathematics 40, Handbook of Group Actions III
  
  Volume: 40 Pages: 13-35
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03933
[Journal Article] La topologie, la philosophie, et l'enseignement mathematique selon Rene Thom: le regne de la geome;trie2018
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Rene Thom: portrait mathematique et philosophique
  
  Volume: 単行論文集 Pages: 323-340
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H02843
[Journal Article] Homeomorphismes et nombre d'intersection2018
- Author(s)
  Ohshika Ken'ichi、Papadopoulos Athanase
- Journal Title
  
  Comptes Rendus Mathematique
  
  Volume: 356 Issue: 8 Pages: 899-902
- DOI
  10.1016/j.crma.2018.06.009
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-17H02843
[Journal Article] Degeneration of marked hyperbolic structures in dimensions 2 and 32018
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Handbook of group actions
  
  Volume: III Pages: 13-35
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H02843
[Journal Article] Une formule differentielle de la longueur extremale et ses applications2017
- Author(s)
  Miyachi Hideki、Ohshika Ken’ichi
- Journal Title
  
  Annales Mathematiques Blaise Pascal
  
  Volume: 24 Issue: 1 Pages: 115-133
- DOI
  10.5802/ambp.366
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05202, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933, KAKENHI-PROJECT-17H02843
[Journal Article] The origin of the notion of manifold: from Riemann's Habilitationsvortrag onward2017
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  From Riemann to Differential Geometry and Relativity
  
  Volume: - Pages: 295-309
- DOI
  10.1007/978-3-319-60039-0_9
- ISBN
  9783319600383, 9783319600390
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-16H03933
[Journal Article] Klein群の幾何とその応用2017
- Author(s)
  大鹿健一
- Journal Title
  
  数学
  
  Volume: 69 Pages: 280-293
- NAID
  130007683915
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13756
[Journal Article] Une formule diff\’{e}rentielle de la longueur extr\’{e}male et ses applications2017
- Author(s)
  Hideki Miyachi, Ken’ichi Ohshika,
- Journal Title
  
  Ann Math Blaise Pascal
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Mobius Moduli for Fingerprint Orientation Fields2017
- Author(s)
  Imdahl Christina、Gottschlich Carsten、Huckemann Stephan、Ohshika Ken’ichi
- Journal Title
  
  Journal of Mathematical Imaging and Vision
  
  Volume: Electronic version Issue: 5 Pages: 1-10
- DOI
  10.1007/s10851-017-0780-y
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-17H02843, KAKENHI-PROJECT-16H03933
[Journal Article] Klein群の幾何とその応用2017
- Author(s)
  大鹿健一
- Journal Title
  
  数学
  
  Volume: 69 Pages: 280-293
- NAID
  130007683915
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03933
[Journal Article] Klein群の幾何とその応用2017
- Author(s)
  大鹿健一
- Journal Title
  
  数学
  
  Volume: 69 Pages: 280-293
- NAID
  130007683915
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H02843
[Journal Article] Measurable Rigidity for Kleinian groups2017
- Author(s)
  Woojin Jeon, Ken'ichi Ohshika
- Journal Title
  
  Ergodic Th. Dyn. Sys.
  
  Volume: 未定 Issue: 8 Pages: 2498-2511
- DOI
  10.1017/etds.2015.15
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933
[Journal Article] Null-set compactifications of Teichmuller spaces2017
- Author(s)
  Alberge Vincent、Miyachi Hideki、Ohshika Ken’ichi
- Journal Title
  
  Handbook of Teichmuller theory
  
  Volume: VI Pages: 71-94
- DOI
  10.4171/161-1/4
- ISBN
  9783037191613, 9783037196618
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05202, KAKENHI-PROJECT-16H03933
[Journal Article] Conical limit points and the Cannon-Thurston map2016
- Author(s)
  W.Jeon, C.Leninger, I. Kapovichi and Keni'chi Ohshika
- Journal Title
  
  Conformal Geometry and Dynamics
  
  Volume: 未定
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Null-set compactifications of Teichmuller spaces2016
- Author(s)
  Vincent Alberge, Hideki Miyachi, Ken'ichi Ohshika
- Journal Title
  
  Handbook of Teichmuller theory
  
  Volume: 6 Pages: 71-74
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Journal Article] Conical limit points and the Cannon-Thurston map2016
- Author(s)
  Woojin Jeon, Illia Kapovich, Chris Leninger, Ken'ichi Ohshika
- Journal Title
  
  Conformal Geometry and Dynamics
  
  Volume: 未定
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Null-set compactifications of Teichmuller spaces2016
- Author(s)
  Vincent Alberge, Hideki Miyachi, Ken'ichi Ohshika
- Journal Title
  
  Handbook of Teichmuller theory
  
  Volume: 6 Pages: 71-94
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Subgroups of mapping class groups related to Heegaard splittings and bridge decompositions2016
- Author(s)
  Ken'ichi Ohshika, Makoto Sakuma
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 180 Issue: 1 Pages: 117-134
- DOI
  10.1007/s10711-015-0094-4
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005, KAKENHI-PROJECT-15H03620, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-24540082, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933
[Journal Article] Convergence of freely decomposable Kleinian groups2016
- Author(s)
  Inkang Kim, Cyril Lecuire, Ken'ichi Ohshika
- Journal Title
  
  Inventiones Mathematicae
  
  Volume: 204 Issue: 1 Pages: 83-131
- DOI
  10.1007/s00222-015-0609-5
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933
[Journal Article] Conical limit points and the Cannon-Thurston map2016
- Author(s)
  Woojin Jeon, Illya Kapovich,Christopher Leninger, Ken’ichi Ohshika
- Journal Title
  
  Conformal Geometry and Dynamics
  
  Volume: 20 Issue: 4 Pages: 58-80
- DOI
  10.1090/ecgd/294
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-16K13756, KAKENHI-PROJECT-16H03933
[Journal Article] Measurable Rigidity for Kleinian groups2016
- Author(s)
  W. Jeon and K. Ohshika
- Journal Title
  
  Ergodic Th. Dyn. Sys.
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25610010
[Journal Article] Conical limit points and the Cannon-Thurston map2016
- Author(s)
  Woojin Jeon, Illya Kapovich,Christopher Leninger, Ken’ichi Ohshika
- Journal Title
  
  Conformal Geometry and Dynamics
  
  Volume: 20 Pages: 58-80
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Journal Article] On Klein-Maskit Combination Theorem in space II2015
- Author(s)
  Liuan Li, Ken’ichi Ohshika, Xiantao Wang
- Journal Title
  
  Kodai J. Math
  
  Volume: 38 Pages: 1-22
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Journal Article] On Klein-Maskit Combination Theorem in space II2015
- Author(s)
  Liuan Li, Ken'ichi Ohshika and Xiantao Wang
- Journal Title
  
  Kodai J. Math.
  
  Volume: 38 Pages: 1-22
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Weil-Petersson Funk metric on Teichmueller space2015
- Author(s)
  Hideki Miyachi, Ken'ichi Ohshika, and Sumio Yamada
- Journal Title
  
  Handbook of Hilbert Geometry, European Mathematical Society
  
  Volume: 1 Pages: 339-352
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Geometric limits of Kleinian groups and their applications2015
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Handbook of Group Actions, International Press
  
  Volume: 2 Pages: 245-270
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Geometric limits of Kleinian groups and their applications, Handbook of Group Actions2015
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Handbook of Group Actions
  
  Volume: 2 Pages: 245-270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25610010
[Journal Article] On Klein-Maskit Combination Theorem in space II2015
- Author(s)
  Liulan Li, Ken'ichi Ohshika, Xiantao Wang
- Journal Title
  
  Kodai Journal of Math.
  
  Volume: 38 Pages: 1-22
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Geometric limits of Kleinian groups and their applications2015
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Handbook of Group Actions
  
  Volume: 2 Pages: 245-270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Primitive stable representations of free Kleinian groups2014
- Author(s)
  W. Jeon, I. Kim, K. Ohshika and C. Lecuire
- Journal Title
  
  Israel J. Math.
  
  Volume: 199-2 Issue: 2 Pages: 841-866
- DOI
  10.1007/s11856-013-0062-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-22244005
[Journal Article] Reduced Bers boundaries of Teichmuller spaces.2014
- Author(s)
  K. Ohshika
- Journal Title
  
  Ann. Inst. Fourier
  
  Volume: 64 Issue: 1 Pages: 145-176
- DOI
  10.5802/aif.2842
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-22244005
[Journal Article] Primitive stable closed hyperbolic 3-manifolds2014
- Author(s)
  I. Kim, C. Lecuire and K. Ohshika
- Journal Title
  
  Topology Appl.
  
  Volume: 172 Pages: 68-71
- DOI
  10.1016/j.topol.2014.05.003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-25610010, KAKENHI-PROJECT-22244005
[Journal Article] Weil-Petersson Funk metric on Teichmuller space2014
- Author(s)
  H. Miyachi, K. Ohshika and S. Yamada
- Journal Title
  
  Handbook of Hilbert geometry, IRMA EMS
  
  Volume: 22 Pages: 339-352
- DOI
  10.4171/147-1/12
- ISBN
  9783037191477, 9783037196472
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-22244005
[Journal Article] Primitive stable closed hyperbolic 3-manifolds2014
- Author(s)
  I. Kim, C. Lecuire and K. Ohshika
- Journal Title
  
  Topology Appl.
  
  Volume: 172 Pages: 68-71
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Journal Article] On Klein-Maskit combination theorem in space II2014
- Author(s)
  L. Li, K. Ohshika and X. Wang
- Journal Title
  
  Kodai J. Math.
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Primitive stable representations of free Kleinian groups2014
- Author(s)
  W. Jeon, I. Kim, K. Ohshika and C. Lecuire
- Journal Title
  
  Israel J. Math
  
  Volume: 199 Pages: 841-866
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2014
- Author(s)
  K. Ohshika
- Journal Title
  
  Ann. Inst. Fourier
  
  Volume: 64 Pages: 145-176
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24224002
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2014
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann. Insti. Fourier
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Compactifications of Teichmuller spaces2014
- Author(s)
  K. Ohshika
- Journal Title
  
  Handbook of Teichmuller theory, IRMA, EMS
  
  Volume: IV Pages: 235-254
- DOI
  10.4171/117-1/6
- ISBN
  9783037191170, 9783037196175
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-24340009, KAKENHI-PROJECT-22244005
[Journal Article] A note on on the rigidity of unmeasured lamination spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Proc. AMS
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] A parametrisation of Teichmuller space by polygons2013
- Author(s)
  Haruko Nishi and Ken'ichi Ohshika
- Journal Title
  
  Proceedings of the 7th International Conference on Nonlinear Analysis and convex Analysis-II-(Busan, Korea, 2011)
  
  Volume: II
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540103
[Journal Article] Primitive stable representations of free Kleinian groups2013
- Author(s)
  Woojin Jeon, Inkang Kim, Ken'ichi Ohshika with Cyril Lecuire (Woojin Jeon)
- Journal Title
  
  Israel J. Math.
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Primitive stable representations of free Kleinian groups2013
- Author(s)
  Woojin Jeon, Inkang Kim, Ken'ichi Ohshika with Cyril Lecuire (Woojin Jeon)
- Journal Title
  
  Israel J. Math.
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22654008
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann Inst. Fourier
  
  Volume: 63
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann. Inst. Fourier
- Data Source
  KAKENHI-PROJECT-22654008
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann. Inst. Fourier
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] A parametrization of Teichmuller space by polygons2013
- Author(s)
  Haruko Nishi and Ken'ich Ohshika
- Journal Title
  
  Proceedings of the 7th international conference on nonlinear Analysis and convex analysis-II- (Busan, Korea, 2011)
  
  Volume: II
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540103
[Journal Article] A note on the rigidity of unmeasured lamination spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Proc. AMS
  
  Volume: 141 Issue: 12 Pages: 4385-4389
- DOI
  10.1090/s0002-9939-2013-11670-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-24340009
[Journal Article] A note on on the rigidity of unmeasured lamination spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Proc. AMS
  
  Volume: to appear
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22654008
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Ann Inst. Fourier
  
  Volume: 63
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25610010
[Journal Article] A note on the rigidity of unmeasured lamination spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Proc. AMS
- Data Source
  KAKENHI-PROJECT-22654008
[Journal Article] Primitive stable representations of free Kleinian groups2013
- Author(s)
  Woojin Jeon, Inkang Kim, Ken'ichi Ohshika with Cyril Lecuire
- Journal Title
  
  Israel J. Math
- Data Source
  KAKENHI-PROJECT-22654008
[Journal Article] A note on the rigidity of unmeasured lamination spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  to appear in Proceedings of the AMS
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028
[Journal Article] Reduced Bers boundaries of Teichmuller spaces2013
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  to appear in Annales de l'institut Fourier
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028
[Journal Article] A pseudo-metric on moduli space of hyperelliptic curves2012
- Author(s)
  Haruko Nishi and Ken'ichi Ohshika
- Journal Title
  
  Josai Mathematical Monographs
  
  Volume: vol.5
- NAID
  120005520769
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540103
[Journal Article] Realising end invariants by limits of minimally parabolic, geometrically finite groups2011
- Author(s)
  K. Ohshika
- Journal Title
  
  Geometry & Topology
  
  Volume: 15 Issue: 2 Pages: 827-890
- DOI
  10.2140/gt.2011.15.827
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028, KAKENHI-PROJECT-22340034, KAKENHI-PROJECT-22540092, KAKENHI-PROJECT-22654008
[Journal Article] ealising end invariants by limits of minimally parabolic, geometrically finite groups2011
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Geometry & Topology
  
  Volume: 15 Pages: 827-890
- Data Source
  KAKENHI-PROJECT-22654008
[Journal Article] Realising end invariants by limits of minimally parabolic, geometrically finite groups2011
- Author(s)
  K.Ohshika
- Journal Title
  
  Geometry & Topology
  
  Volume: 15 Pages: 827-890
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244005
[Journal Article] Uniform models for the closure of the Riley slice2010
- Author(s)
  K.Ohshika, H.Miyachi
- Journal Title
  
  In the tradition of Ahlfors-Bers.V Contemp.Math 510
  
  Pages: 249-306
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540090
[Journal Article] Uniform model for the closure of the Riley slice2010
- Author(s)
  Ken'ichi Ohshika, Hideki Miyachi
- Journal Title
  
  Contemporary Mathematics 510(In press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654009
[Journal Article] Uniform model for the closure of the Riley slice2010
- Author(s)
  H. Miyachi and K. Ohshika
- Journal Title
  
  Contemp. Math
  
  Volume: Vol.510 Pages: 249-306
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340034
[Journal Article] On Klein-Maskit combination theorem in space.2009
- Author(s)
  L.Li, K.Ohshika, X. Wang
- Journal Title
  
  I.Osaka J.Math 46
  
  Pages: 1097-1141
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540090
[Journal Article] Constructing geometrically infinite groups on boundaries of deformation spaces2009
- Author(s)
  K.Ohshika
- Journal Title
  
  J.Math.Soc.Japan 61
  
  Pages: 1261-1291
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540090
[Journal Article] Constructing geometrically infinite groups on boundaries of deformation spaces2009
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Journal of Mathematical Society of Japan 61
  
  Pages: 1261-1291
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654009
[Journal Article] On Klein-Maskit Combination Theorem in space I2009
- Author(s)
  Liuan Li, Ken'ich Ohshika, Xiantao Wang
- Journal Title
  
  Osaka Journal of Mathematics 46
  
  Pages: 1097-1141
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654009
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  K.Ohshika, H.Miyachi
- Journal Title
  
  London Math. Soc. Lecture Notes Secies 329
  
  Pages: 29-48
- Data Source
  KAKENHI-PROJECT-17654016
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  Ohshika, Kenichi, Miyachi, Hideki
- Journal Title
  
  London Math. Soc. Lecture Note Ser. 329
  
  Pages: 29-48
- Data Source
  KAKENHI-PROJECT-16204004
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  Ohshika, K., Miyachi, H.
- Journal Title
  
  London Math. Soc. Lecture Note Ser 326
  
  Pages: 29-48
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  Ohshika, Ken' ichi and Miyachi, Hideki
- Journal Title
  
  London Math. Soc. Lecture Note Ser. 329
  
  Pages: 29-48
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16204004
[Journal Article] On topologically fame kleinian groups with bounded geometry2006
- Author(s)
  K.Ohshika, H.Miyachi
- Journal Title
  
  London Math. Soc. Lecture Notes Series 329
  
  Pages: 29-48
- Data Source
  KAKENHI-PROJECT-18340018
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  K.Ohshika
- Journal Title
  
  Spaces of Kleinian groups London Math.Soc.Lecture Note Ser 329
  
  Pages: 29-48
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540090
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  K.Ohshika, H.Miyachi
- Journal Title
  
  Spaces of Kleinian groups, London Math.Soc.Lecture Note Ser. 329
  
  Pages: 29-48
- Data Source
  KAKENHI-PROJECT-18540090
[Journal Article] On topologically tame Kleinian groups with bounded geometry2006
- Author(s)
  Ken'ichi Ohshika and Hideki Miyachi
- Journal Title
  
  Spaces of Kleinian groups(London Math. Soc. Lecture Note Ser. Cambridge Univ. Press, Cambridge) 329
  
  Pages: 29-48
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] The continuity of convex cores with respect to the geometric topology2005
- Author(s)
  K.Ohshika
- Journal Title
  
  Comm.Anal.Geom 13・3
  
  Pages: 479-510
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] The continuity of convex cores with respect to the geometric topology2005
- Author(s)
  K.Ohshika
- Journal Title
  
  Comm.Anal.Geom 13・3
  
  Pages: 479-510
- Data Source
  KAKENHI-PROJECT-17654016
[Journal Article] Kleinian groups which are limits of geometrically finite groups2005
- Author(s)
  K.Ohshika
- Journal Title
  
  Mem.Amer Math Soc. 177・834
  
  Pages: 1-116
- Data Source
  KAKENHI-PROJECT-17654016
[Journal Article] The continuity of convex cores with respect to the geometric topology2005
- Author(s)
  Ohshika, Ken' ichi
- Journal Title
  
  Comm. Anal. Geom. 13
  
  Pages: 503-533
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16204004
[Journal Article] The continuity of convex cores with respect to the geometric topology2005
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Comm. Anal. Geom 13
  
  Pages: 479-510
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] The continuity of convexcores with respect to the geometric topology2005
- Author(s)
  K.Ohshika
- Journal Title
  
  Comm. Anal. Geom 13
  
  Pages: 479-510
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] The continuity of convex cores with respect to the geometric topology2005
- Author(s)
  Ohshika, Ken'ichi
- Journal Title
  
  Comm.Anal.Gecm. 13
  
  Pages: 503-533
- Data Source
  KAKENHI-PROJECT-16204004
[Journal Article] Kleinian groups which are limits of geometrically finite groups2005
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Mem. Amer. Math. Soc. 177 no. 834
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Kleinian groups which are limits of geometrically finite group2005
- Author(s)
  Ken' ichi Ohshika
- Journal Title
  
  Mem. Amer. Math. Soc 177no. 834
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16204004
[Journal Article] The continuity of convex cores with respect to the geometric topology2005
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Comm.Anal.Geom. 13
  
  Pages: 479-510
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Kleinian groups which are limits of geometrically finite groups2005
- Author(s)
  K.Ohshika
- Journal Title
  
  Mem.Amer Math Soc. 177・834
  
  Pages: 1-116
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] The continuity of convex cores with respect to the geometric topology,2005
- Author(s)
  OHSHIKA, Ken'ichi
- Journal Title
  
  Comm.Ana., Geom. 13
  
  Pages: 479-510
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340023
[Journal Article] A note on on the rigidity of unmeasured lamination spaces
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Proceedings of American Mathematical Scoiety
  
  Volume: (未定) (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Weil-Petersson Funk metric on Teichmuller space.
- Author(s)
  Hideki Miyachi, Kenichi Ohshika, and Sumio Yamada
- Journal Title
  
  Handbook of Hilbert/Funk geometry
  
  Volume: (未定) (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] On Klein-Maskit Combination Theorem in space I
- Author(s)
  Liuan Li, Ken'ich Ohshika and Xiantao Wang
- Journal Title
  
  to appear in Osaka J. Math
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Primitive stable representations of free Kleinian groups
- Author(s)
  Woojin Jeon, Inkang Kim, Ken'ichi Ohshika, with Cyril Lecuire (Woojin Jeon)
- Journal Title
  
  Israel Journal of Mathematics
  
  Volume: (未定) (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24340009
[Journal Article] Reduced Bers boundaries of Teichmuller spaces
- Author(s)
  Ken'ichi Ohshika
- Journal Title
  
  Annales de l'institut Fourier
  
  Volume: (未定) (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Stratification de la sphere unite tangente de l’espace de Teichmuller2024
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Seminaire GT3 IRMA Strasbourg
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Thurston’s broken windows only theorem and his proof of the bounded image theorem2024
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Virtual Seminar on Geometry and Topology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20519
[Presentation] La merique de tremblement de terre sur l’espace de Teichmuller2024
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Seminaire de topologie et geomerie
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] The bounded image theorem, the original argument and a new proof2023
- Author(s)
  Ken'ichi OHSHIKA
- Organizer
  Geometry beyond Riemann, curvature and rigidity, Erwin Schrodinger International Institute for Mathematics and Physics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22396
[Presentation] Realisation de laminations mesurees sur les bords de coeurs convexes2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  IRMA Seminaire GT3
- Invited
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Teichmuller Space from a Geometric Viewpoint2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  CIMPA SCHOOL ON GEOMETRIC STRUCTURES ON SURFACES, MODULI SPACES AND DYNAMICS
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20211
[Presentation] Thurston's bounded image theorem revisited,2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometrie, topologie et dynamique en basses dimensions
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20211
[Presentation] Geometry of Teichmuller space with Thurston's asymmetric metric2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Conference in Honor of 65th birthday of Athanase Papadopoulos
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20211
[Presentation] Geometry of Teichmuller space with Thurston's asymmetric metric,2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Conference in Honor of 65th birthday of Athanase Papadopoulos, Galatasaray University,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22396
[Presentation] Realisation de laminations mesurees sur les bords de coeurs convexes2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Theorie spectrale et geometrie, Insitut Fourier
- Invited
- Data Source
  KAKENHI-PROJECT-20K20519
[Presentation] Actions of mapping class groups on various spaces and their rigidity2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  CIMPA SCHOOL ON GEOMETRIC STRUCTURES ON SURFACES, MODULI SPACES AND DYNAMICS
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Geometry of Teichmuller space with Thurston's asymmetric metric2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Conference in Honor of 65th birthday of Athanase Papadopoulos,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Thurston's bounded image theorem revisited2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometrie, topologie et dynamique en basses dimensions
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20519
[Presentation] Thurston's bounded image theorem revisited,2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometrie, topologie et dynamique en basses dimensions, Sete, Le Lazaret,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22396
[Presentation] Thurston's bounded image theorem revisited,2022
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometrie, topologie et dynamique en basses dimensions
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Thurston's bounded image theorem revisited2022
- Author(s)
  大鹿　健一
- Organizer
  Geomtrie, topologie et dynamique en basses dimensions
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Realisation of measured laminations on the boundaries of convex cores2021
- Author(s)
  大鹿健一
- Organizer
  離散群と双曲空間の幾何学
- Invited
- Data Source
  KAKENHI-PROJECT-23K20211
[Presentation] The infinitesimal geometry of Teichmuller space with the Thurston metric2021
- Author(s)
  大鹿健一
- Organizer
  Riemann surfaces and related topics
- Invited
- Data Source
  KAKENHI-PROJECT-23K20211
[Presentation] Realisation of measured laminations on boundaries of convex cores2021
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Interface of low dimensional group actions and geometric structures
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20519
[Presentation] Realisation of measured laminations on the boundaries of convex cores2021
- Author(s)
  大鹿健一
- Organizer
  離散群と双曲空間の幾何学
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Projective lamination spaceの凸体実現とThurston距離の無限小剛性2020
- Author(s)
  大鹿健一
- Organizer
  リーマン面に関する位相幾何学
- Invited
- Data Source
  KAKENHI-PROJECT-23K20211
[Presentation] Infinitesimal rigidity of Teichmuller space with the Thurston metric2020
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Projective lamination spaceの凸体実現とThurston距離の無限小剛性2020
- Author(s)
  大鹿健一
- Organizer
  リーマン面に関する位相幾何学
- Invited
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Infinitesimal rigidity of Teichmuller space with the Thurston metric2020
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群論
- Invited
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Projective lamination spaceの凸体実現とThurston距離の無限小剛性2020
- Author(s)
  大鹿健一
- Organizer
  リーマン面における位相幾何学
- Invited
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Thurston’s bounded image theorem2019
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KIAS Workshop on low-dimensional topology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Actions of mapping class groups on various spaces and their rigidity2019
- Author(s)
  Ken'ichi Ohshika
- Organizer
  CIMPA SCHOOL ON FINSLER GEOMETRY AND APPLICATIONS, BHU, Varanasi
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Thurston's bounded image theorem from today's point of view2019
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Riemann surfaces and Teichmuller theory, Euler Institute, St Petersburg
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Thurston's bounded image theorem from today's point of view2019
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Riemann surfaces and Teichmuller theory, Euler Institute St Petersburg, 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Thurston’s bounded image theorem2019
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KIAS Workshop on low-dimensional topology, 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Actions of mapping class groups on various spaces and their rigidity2019
- Author(s)
  Ken'ichi Ohshika
- Organizer
  CIMPA SCHOOL ON FINSLER GEOMETRY AND APPLICATIONS, BANARAS HINDU UNIVERSITY, 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Thurston's bounded image theorem from today's point of view2019
- Author(s)
  大鹿健一
- Organizer
  Riemann surfaces and Teichmuller theory
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Discontinuous motions of Cannon-Thurston maps2018
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geetrie des groupes et geometrie des 3-varietes : situation et perspectives. Luminy, Marseille
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Maximality of mapping class group actions2018
- Author(s)
  Ken'ichi Ohshika
- Organizer
  102e rencontre entre mathematiciens et physiciens theoriciens, Strasbourg
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0071
[Presentation] Maximality of mapping class group actions2018
- Author(s)
  Ken'ichi Ohshika
- Organizer
  102e rencontre entre mathematiciens et physiciens theoriciens, Institut de Recherche Mathematique Avancee, Strasbourg, France
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Maximality of mapping class group actions2018
- Author(s)
  Ken'ichi Ohshika
- Organizer
  102e rencontre entre mathematiciens et physiciens theoriciens
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] 3次元多様体と Klein 群―Thurstonの発想を今一度振り返る2018
- Author(s)
  大鹿健一
- Organizer
  トポロジーシンポジウム、信州大学松本キャンパス、長野県
- Invited
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Maximality of mapping class group actions2018
- Author(s)
  Ken'ichi Ohshika
- Organizer
  102e rencontre entre mathematiciens et physiciens theoriciens, IRMA, Strasbourg
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Discontinuous motions of Cannon-Thurston maps2018
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometrie des groupes et geometrie des 3-varietes : situation et perspectives. Luminy, Marseille, France
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Discontinuous motions of Cannon-Thurston maps2018
- Author(s)
  K. Ohshika
- Organizer
  Geometrie des groupes et geometrie des 3-varietes : situation et perspectives, Institut de Mathematiques de Marseille, Luminy, France
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] 3次元多様体と Klein 群―Thurston の発想を今一度振り返る2018
- Author(s)
  大鹿健一
- Organizer
  第65回トポロジーシンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Deformation spaces of Kleinian groups and what are continuous and discontinuous there2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Moduli spaces and applications in geometry, topology, analysis and mathematical physics
- Place of Presentation
  Morningside Center of Mathematics, Chinese Academy of Science, Beijing, China
- Year and Date
  2017-02-27
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Deformation spaces of Kleinian groups and what are continuous and discontinuous there2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Moduli spaces and applications in geometry, topology, analysis and mathematical physics
- Place of Presentation
  Morningside Center of Mathematics, Chinese Academy of Science, Beijing, China
- Year and Date
  2017-02-27
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Boundaries of quasi-Fuchsian spaces and continuous/discontinuous phenomena2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  GEOMETRY, GROUPS AND DYNAMICS, ICTS Bangalore, India
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Deformation spaces of Kleinian groups and what are continuous and discontinuous there2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Moduli spaces and applications in geometry, topology, analysis and mathematical physics
- Place of Presentation
  Morningside Center of Mathematics, Chinese Academy of Science,Beijing, China
- Year and Date
  2017-02-27
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Deformation spaces of Kleinian groups and what are continuous and discontinuous there2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Moduli spaces and applications in geometry, topology, analysis and mathematical physics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Discontinuous motions of Cannon-Thurston maps2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric Topology Fair, KAIST, Daejeon, Korea
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Discontinuous motions of Cannon-Thurston maps2017
- Author(s)
  K. Ohshika
- Organizer
  Geometric Topology Fair, KAIST, Daejeon, Korea
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Deformation spaces of Kleinian groups and what are continuous and discontinuous there2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Moduli spaces and applications in geometry, topology, analysis and mathematical physics
- Place of Presentation
  Morningside Center of Mathematics, Chinese Academy of Science, Beijing, China
- Year and Date
  2017-02-27
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Boundaries of quasi-Fuchsian spaces and continuous/discontinuous phenomena2017
- Author(s)
  K. Ohshika
- Organizer
  GEOMETRY, GROUPS AND DYNAMICS, ICTS, Tata Institute for Fundamental Science, Bangalore, India
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Boundaries of quasi-Fuchsian spaces and continuous/discontinuous phenomena2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  GEOMETRY, GROUPS AND DYNAMICS, ICTS, Tata Institute for Fundamental Science, Bangalore, India
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Discontinuous motions of Cannon-Thurston maps2017
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric Topology Fair, KAIST, Daejeon, Korea
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02843
[Presentation] Geometric realisation for degenerations of hyperbolic structures2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Moduli Spaces of Geometric Structures
- Place of Presentation
  IMS, National University of Singapore, Singapore
- Year and Date
  2016-08-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Reduction of boundaries of Teichmuller spaces,2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Grothendieck-Teichmuller Theories
- Place of Presentation
  Chern Institute of Mathematics, Nankai University, Tianjin, China
- Year and Date
  2016-07-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] 3-manifolds fibring over the circle: from Poincare’s Analysis Situs to today2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Autour de Poincare, 86eme rencontre entre les mathematiciens et les physiciens theoriques
- Place of Presentation
  IRMA Universite de Strasbourg
- Year and Date
  2016-06-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Geometric realisation for degenerations of hyperbolic structures2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Moduli Spaces of Geometric Structures
- Place of Presentation
  IMS, National University of Singapore, Singapore
- Year and Date
  2016-08-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] 3-manifolds fibring over the circle: from Poincare’s Analysis Situs to today2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Autour de Poincare,
- Place of Presentation
  IRMA University of Strasbourg, France
- Year and Date
  2016-06-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13756
[Presentation] Geometric realisation for degenerations of hyperbolic structures2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Moduli Spaces of Geometric Structures
- Place of Presentation
  IMS, National University of Singapore, Singapore
- Year and Date
  2016-08-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] 3-manifolds fibring over the circle : From Poincares Analysis Situs to today2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  La 97eme rencontre entre mathematiciens et physiciens theoriciens aura pour theme : Autour de Poincare
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Reduction of boundaries of Teichmuller spaces2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Grothendieck-Teichmuller Theories
- Place of Presentation
  Chern Institute of Mathematics, Nankai University, Tianjin, China
- Year and Date
  2016-07-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] 3-manifolds fibring over the circle: from Poincare's Analysis Situs to today2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Autour de Poincare
- Place of Presentation
  University of Strasbourg, Strasbourg, France
- Year and Date
  2016-06-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Geometric realisation for degenerations of hyperbolic structures2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Moduli Spaces of Geometric Structures
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Reduction of boundaries of Teichmuller spaces2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Grothendieck-Teichmuller Theories
- Place of Presentation
  Chern Institute of Mathematics, Nankai University, Tianjin, China
- Year and Date
  2016-07-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Reduction of boundaries of Teichmueller spaces, 25 July 2016,2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Grothendieck-Teichmueller Theories
- Place of Presentation
  Chern Institute of Mathematics, Nankai University, Tianjin, China
- Year and Date
  2016-07-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Geometric realisation for degenerations of hyperbolic structures2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Moduli Spaces of Geometric Structures,
- Place of Presentation
  IMS, National University of Singapore, Singapore
- Year and Date
  2016-08-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] 3-manifolds fibring over the circle2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  86th rencontre entre les mathmaticiens et les physiciens
- Place of Presentation
  IRMA Universite de Strasbourg
- Year and Date
  2016-06-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Reduction of boundaries of Teichmuller spaces2016
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Grothendieck-Teichmuller Theories
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03933
[Presentation] Deformation spaces of Kleinian groups2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Topology and Groups
- Place of Presentation
  University of Goa，インド
- Year and Date
  2015-10-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Various compactifications of Teichmuller spaces and their relations (3 talks)2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric structures and related topics
- Place of Presentation
  KIAS, YangYang, 韓国
- Year and Date
  2015-08-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Accumulation of closed 3-manifolds within character varieties2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric Topology Fair in Korea
- Place of Presentation
  K Hotel, Gyeonju，韓国
- Year and Date
  2015-08-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Various compactifications of Teichmuller spaces and their relations2015
- Author(s)
  K. Ohshika
- Organizer
  Geometric structures and related topics
- Place of Presentation
  KIAS
- Year and Date
  2015-08-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Teichmuller space; its asymptotic geometry, compactifications, and combinatorial models2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Finsler geometry and applications to low-dimensional geometry and topology and moduli spaces
- Place of Presentation
  Cagliari
- Year and Date
  2015-09-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Accumulation of closed 3-manifolds within character varieties2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric Topology Fair in Korea、A workshop on geometric group theory & low-dimensional topology
- Place of Presentation
  Gyeonju, K-Hotel, 韓国
- Year and Date
  2015-08-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Accumulation of closed 3-manifolds within character varieties2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric Topology Fair in Korea
- Place of Presentation
  慶州
- Year and Date
  2015-08-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Teichmuller space; its asymptotic geometry, compactifications, and combinatorial models, ( 3 talks )2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Finsler geometry and applications to low-dimensional geometry and topology and moduli spaces
- Place of Presentation
  University of Cagliari, Italy
- Year and Date
  2015-09-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] The origin of the notion of manifold2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometry in History
- Place of Presentation
  Strasbourg
- Year and Date
  2015-06-11
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Deformation spaces of Kleinian groups2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Topology and Groups
- Place of Presentation
  University of Goa, India
- Year and Date
  2015-10-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Geography of closed 3-manifolds within character varieties2015
- Author(s)
  K. Ohshika
- Organizer
  French-Japanese workshop on Teichmuller spaces and surface mapping class groups
- Place of Presentation
  Universte de Strasbourg
- Year and Date
  2015-06-05
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Geography of closed 3-manifolds within character varieties2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  French-Japanese workshop on Teichmuller spaces and surface mapping class groups
- Place of Presentation
  IRMA University of Strasbourg, フランス
- Year and Date
  2015-06-05
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geography of closed 3-manifolds within character varieties2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  French-Japanese workshop on Teichmuller spaces and surface mapping class groups
- Place of Presentation
  Strasbourg
- Year and Date
  2015-06-05
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Deformation spaces of Kleinian groups2015
- Author(s)
  K. Ohshika
- Organizer
  Topology and Groups
- Place of Presentation
  University of Goa
- Year and Date
  2015-10-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] The origin of the notion of manifold2015
- Author(s)
  K. Ohshika
- Organizer
  Conference "Geometry in History"
- Place of Presentation
  Universte de Strasbourg
- Year and Date
  2015-06-11
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Teichmuller space; its asymptotic geometry, compactifications, and combinatorial models2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Finsler geometry and applications to low-dimensional geometry and topology and moduli spaces
- Place of Presentation
  University of Cagliari，イタリア
- Year and Date
  2015-09-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geography of closed 3-manifolds within character varieties2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  French-Japanese workshop on Teichmuller spaces and surface mapping class groups
- Place of Presentation
  Universte de Strasbourg, France
- Year and Date
  2015-06-05
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Teichmuller space; its asymptotic geometry, compactifications, and combinatorial models2015
- Author(s)
  K. Ohshika
- Organizer
  Finsler geometry and applications to low-dimensional geometry and topology and moduli spaces
- Place of Presentation
  University of Cagliari
- Year and Date
  2015-09-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] The origin of the notion of manifold2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Conference "Geometry in History"
- Place of Presentation
  Universte de Strasbourg, France
- Year and Date
  2015-06-11
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Accumulation of closed 3-manifolds within character varieties2015
- Author(s)
  K. Ohshika
- Organizer
  A workshop on geometric group theory & low-dimensional topology
- Place of Presentation
  Gyeonju
- Year and Date
  2015-08-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] The origin of the notion of manifold2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometry in History
- Place of Presentation
  IRMA University of Strasbourg，フランス
- Year and Date
  2015-06-11
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Various compactifications of Teichmuller spaces and their relations2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric structures and related topics
- Place of Presentation
  KIAS, Yang Yang，韓国
- Year and Date
  2015-08-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Various compactifications of Teichmuller spaces and their relations2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometric structures and related topics
- Place of Presentation
  YangYang
- Year and Date
  2015-08-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Deformation spaces of Kleinian groups, Topology and Groups,2015
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Topology and Groups
- Place of Presentation
  Goa
- Year and Date
  2015-10-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Geometry of Kleinian groups and its applications,2014
- Author(s)
  K. Ohshika
- Organizer
  MSJ Autumn meeting, plenary address
- Place of Presentation
  広島大学（広島県東広島市）
- Year and Date
  2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Hyperbolic 3-manifolds and the Schottky space viewed as lying in the character variety2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Sanya Group Forum
- Place of Presentation
  Sanya Tsingha Mathematics Forum，三亜（中国）
- Year and Date
  2014-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Hyperbolic 3-manifolds and the Schottky space viewed as lying in the character variety2014
- Author(s)
  K. Ohshika
- Organizer
  Group Action Forum, Tsinghua-Sanya Mathematical Forum
- Place of Presentation
  Sanya, China
- Year and Date
  2014-12-16
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Subgroups of mapping class groups associated to Heegaard splittings and their actions on projective lamination spaces2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  New Trends in Teichmuller Theory and Mapping Class Groups
- Place of Presentation
  MFO Oberwolfach（ドイツ）
- Year and Date
  2014-02-10
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Hyperbolic 3-manifolds and the Schottky space viewed as lying in the character variety.2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Group Action Forum Tsinghua-Sanya Mathematical Forum
- Place of Presentation
  Sanya, China
- Year and Date
  2014-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Klein 群の幾何とその応用2014
- Author(s)
  大鹿健一
- Organizer
  日本数学会総合講演
- Place of Presentation
  広島大学.
- Year and Date
  2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] The work of Thurston on Kleinian groups2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Around Thurston-Grothendieck-Teichmuller theories
- Place of Presentation
  IRMA, Strasbourg
- Year and Date
  2014-05-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Klein群の幾何とその応用2014
- Author(s)
  大鹿健一
- Organizer
  日本数学会秋季総合分科会，総合講演
- Place of Presentation
  広島大学，（広島県，東広島市）
- Year and Date
  2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Hyperbolic 3-manifolds and the Schottky space viewed as lying in the character variety2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Group Action Forum
- Place of Presentation
  Sanya Tsinga Mathematics Forum
- Year and Date
  2014-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Continuous deformation of geometric limits and the Maskit combination spaces.2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Atelier de travail franco-franco-japonais sur la geometrie des groupes modulaire et des espaces de Teichmuller
- Place of Presentation
  Osaka, Japan.
- Year and Date
  2014-10-17
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Asymptotic geometry of Heegaard splittings2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  多様体のトポロジーの展望
- Place of Presentation
  東京大学
- Year and Date
  2014-11-30
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] The work of Thurston on Kleinian groups2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Around Thurston-Grothendieck-Teichmuller theories
- Place of Presentation
  IRMA University of Strasbourg, フランス
- Year and Date
  2014-05-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Hyperbolic 3-manifolds and the Schottky space viewed as lying in the character variety2014
- Author(s)
  K. Ohshika
- Organizer
  Group Action Forum　2014
- Place of Presentation
  Tsinghua-Sanya International Mathematics Forum, Sanya, Hainan, China
- Year and Date
  2014-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Continuous deformation of geometric limits and the Maskit combination spaces2014
- Author(s)
  K. Ohshika
- Organizer
  Atelier de travail franco-japonais sur la geometrie des groupes modulaire et des espaces de Teichmuller
- Place of Presentation
  Osaka Univ.
- Year and Date
  2014-10-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Continuous deformation of geometric limits and the Maskit combination spaces2014
- Author(s)
  K. Ohshika
- Organizer
  Atelier de travail franco-japonais sur la geometrie des groupes modulaire et des espaces de Teichmuller
- Place of Presentation
  大阪大学（大阪府豊中市）
- Year and Date
  2014-10-17
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Klein群の幾何とその応用2014
- Author(s)
  大鹿健一
- Organizer
  日本数学会秋季総合分科会総合講演
- Place of Presentation
  広島大学
- Year and Date
  2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Hyperbolic 3-manifolds and the Schottky space viewed as lying in the character variety2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Group Action Forum
- Place of Presentation
  Tsinghua-Sanya Math Forum, 中国
- Year and Date
  2014-12-16
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geometry of Kleinian groups and its applications.2014
- Author(s)
  Ken'ichi Ohshika
- Organizer
  MSJ Autumn meeting, plenary address
- Place of Presentation
  Hiroshima, Japan
- Year and Date
  2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Deformation spaces of Kleinian groups, in Teichmuller Theory Geometry Master Class2013
- Author(s)
  K. Ohshika
- Organizer
  Erwin Schrodinger Institute for Mathematical Physics
- Place of Presentation
  Vienna, Austria
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Geometric completion for deformation spaces of Kleinian groups2013
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Japanese Turkish Joint Geometry Meetin
- Place of Presentation
  Galatasaray University, Istanbul（トルコ）
- Year and Date
  2013-11-23
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Deformation spaces of Kleinian groups2013
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Teichmuller theory Geometry Master Class,
- Place of Presentation
  Erwin Schroedinger International Institute for Mathematical Physics, Vienna, Austria,
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geometric limits and deformation spaces of Kleinian groups2013
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST GT Fair
- Place of Presentation
  Core Riviera Hotel, 全州（韓国）
- Year and Date
  2013-08-15
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geometric completion for quasi-Fuchsian spaces2013
- Author(s)
  Ken'ichi Ohshika
- Organizer
  AMC 2013
- Place of Presentation
  Pusan convention centre, 釜山（韓国）
- Year and Date
  2013-07-04
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Deformation spaces of Kleinian groups and group actions2012
- Author(s)
  Ken'ichi Ohshika
- Organizer
  eometry of Moduli Space of Low Dimensional Manifolds
- Place of Presentation
  京都大学数理解析研究所(招待講演)
- Year and Date
  2012-10-30
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Actions of isomorphism groups of Heegaard splittings 0n projective lamination spaces2012
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST Geometric Topology Fair
- Place of Presentation
  KAIST、韓国(招待講演)
- Year and Date
  2012-08-13
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Two kinds of reduced boundaries of Teichmuller spaces and their symmetries2012
- Author(s)
  K. Ohshika
- Organizer
  Group Actions in Geometry, Topology and Analysis
- Place of Presentation
  昆明理工大学,昆明,中国
- Year and Date
  2012-07-24
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Topological structure of deformation spaces for Kleinian groups and beyond2012
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KMS autumn meeting
- Place of Presentation
  Daejeon Convention Center,韓国(招待講演)
- Year and Date
  2012-10-05
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces2012
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Aspects of representation theory in low-dimensional topology and 3-dimensional invariants
- Place of Presentation
  Carry-le-Rouet、フランス(招待講演)
- Year and Date
  2012-11-08
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Automorphism groups of Heegaard splittings and bridge decompositions2012
- Author(s)
  K. Ohshika
- Organizer
  Workshop on hyperbolic geometry, geometric structures and bounded cohomology
- Place of Presentation
  KIAS, Seoul, Korea
- Year and Date
  2012-11-22
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Automorphism groups of Heegaard splittings and bridge decompositions2012
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic geometry, geometric structures and bounded cohomology
- Place of Presentation
  KIAS、ソウル、韓国(招待講演)
- Year and Date
  2012-11-22
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] クライン群の変形空間の位相構造2012
- Author(s)
  大鹿健一
- Organizer
  日本数学会秋期総合分科会
- Place of Presentation
  九州大学(幾何学賞受賞特別講演)
- Year and Date
  2012-09-19
- Data Source
  KAKENHI-PROJECT-22540092
[Presentation] Actions of isomorphism groups of Heegaard splittings on projective lamination spaces2012
- Author(s)
  K. Ohshika
- Organizer
  KIAST Geometry Fair
- Place of Presentation
  KIAST, Daejeon, Korea
- Year and Date
  2012-08-13
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Two kinds of reduced boundaries of Teichmuller spaces and their symmetries2012
- Author(s)
  Ken'ichi Ohshika
- Organizer
  The conference of Group Actions 1n Geometry, Topology and Analysis
- Place of Presentation
  昆明理工大学、中国(招待講演)
- Year and Date
  2012-07-24
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces, Aspects of representation theory in low-dimensional topology and 3-dimensional invariants2012
- Author(s)
  K. Ohshika
- Organizer
  Carry-le-Rouet
- Place of Presentation
  France
- Year and Date
  2012-11-08
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] クライン群の変形空間の位相構造2012
- Author(s)
  大鹿健一
- Organizer
  日本数学会(幾何学分科会特別講演)
- Place of Presentation
  九州大学(招待講演)
- Year and Date
  2012-09-19
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Characterising bumping points in deformation spaces of Kleinian groups2011
- Author(s)
  K.Ohshika
- Organizer
  リーマン面・不連続群論研究集会
- Place of Presentation
  大阪国際交流センター
- Year and Date
  2011-01-08
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Primitive stability for free Kleinian groups2011
- Author(s)
  K.Ohshika
- Organizer
  離散群と双曲空間の解析と幾何
- Place of Presentation
  京都大学数理解析研究所(招待講演)
- Year and Date
  2011-12-16
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Characterising bumping points in deformation spaces of Kleinian groups2011
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群論研究集会
- Place of Presentation
  大阪国際交流センター(招待講演)
- Year and Date
  2011-01-08
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Reduced Bers boundaries and their symmetries, Workshop on Hyperbolic geometry2011
- Author(s)
  K. Ohshika
- Organizer
  bounded cohomology and symmetric spaces and related topics
- Place of Presentation
  KIAS, Seoul, Korea
- Year and Date
  2011-09-08
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Reduced Bers boundaries and their symmetries2011
- Author(s)
  K.Ohshika
- Organizer
  KIAS Workshop on Hyperbolic geometry, bounded cohomology and symmetric spaces and related topics
- Place of Presentation
  KIAS,韓国(招待講演)
- Year and Date
  2011-09-08
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Symmetries on reduced Bers boundaries2011
- Author(s)
  K.Ohshika
- Organizer
  Geometric and analytic approaches to representations of a group andrepresentation spaces
- Place of Presentation
  京都大学数理解析研究所(招待講演)
- Year and Date
  2011-06-23
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Characterising bumping points in deformation spaces of Kleinian groups2011
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群論研究集会
- Place of Presentation
  大阪国際交流センター(大阪府)(招待講演)
- Year and Date
  2011-01-08
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Reduced Bers boundaries and their symmetries2011
- Author(s)
  K.Ohshika
- Organizer
  KIAS Workshop on Hyperbolic geometry, bounded cohomology and symmetric spaces and related topics
- Place of Presentation
  KIAS,韓国(招待講演)
- Year and Date
  2011-09-08
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Various ways of compactifying Teichmuller spaces and end invariants of Kleinian groups2010
- Author(s)
  K. Ohshika
- Organizer
  Teichmuller theory, MFO Oberwolfach
- Place of Presentation
  Germany
- Year and Date
  2010-11-29
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Local topology of the boundaries of quasi-Fuchsian spaces2010
- Author(s)
  K. Ohshika
- Organizer
  Hyperbolic Geometry and related topics
- Place of Presentation
  KIAS, Seoul, Korea
- Year and Date
  2010-09-16
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Local topology of the boundaries of quasi-Fuchsian spaces2010
- Author(s)
  K.Ohshika
- Organizer
  Hyperbolic Geometry and related topics
- Place of Presentation
  KIAS, ソウル
- Year and Date
  2010-09-16
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Local topology of the boundaries of quasi-Fuchsian spaces2010
- Author(s)
  K.Ohshika
- Organizer
  Hyperbolic Geometry and related topics
- Place of Presentation
  KIAS,韓国(招待講演)
- Year and Date
  2010-09-16
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Local topology of the boundaries of quasi-Fuchsian spaces2010
- Author(s)
  K.Ohshika
- Organizer
  Hyperbolic Geometry and related topics
- Place of Presentation
  KIAS(ソウル,韓国)(招待講演)
- Year and Date
  2010-09-16
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Various ways of compactifying Teichmuller spaces and end invariants of Kleinian groups2010
- Author(s)
  K.Ohshika
- Organizer
  Tecihmuller theory
- Place of Presentation
  MFO Oberwolfach,ドイツ(招待講演)
- Year and Date
  2010-11-29
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Various ways of compactifying Teichmuller spaces and end invariants of Kleinian groups2010
- Author(s)
  K.Ohshika
- Organizer
  Tecihmuller theory
- Place of Presentation
  MFO, Oberwolfach
- Year and Date
  2010-11-29
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Various ways of compactifying Teichmuller spaces and end invariants of Kleinian groups2010
- Author(s)
  K.Ohshika
- Organizer
  Tecihmuller theory
- Place of Presentation
  MFO Oberwolfacb(Oberwolfacb,ドイツ)(招待講演)
- Year and Date
  2010-11-29
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Algebraic limits viewed through geometric limits2009
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KMS-AMS joint meeting
- Place of Presentation
  梨花女子大,ソウル(韓国)
- Year and Date
  2009-12-17
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Classification of geometric limits and its applications2009
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Rolf Nevanlinna Colloquium
- Place of Presentation
  京都大学
- Year and Date
  2009-09-17
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Applications of geometric limits2009
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Geometric Structures and Geometric Group Theory
- Place of Presentation
  KIAS,ソウル(韓国)
- Year and Date
  2009-12-14
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Geometric limits of freely indecomposable Kleinian groups2009
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群論研究集会
- Place of Presentation
  大阪大学
- Year and Date
  2009-01-12
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Geometric limits of freely indecomposable Kleinian groups2009
- Author(s)
  大鹿健一
- Organizer
  リーマン面不連続群研究集会
- Place of Presentation
  大阪大学
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Geometric limits of freely indecomposable Kleinian groups2009
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群論研究集会
- Place of Presentation
  大阪大学
- Year and Date
  2009-01-12
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Geometric limits of freely indecomposable Kleinian groups2009
- Author(s)
  Ken'ichi Ohshika
- Organizer
  リーマン面不連続研究集会
- Place of Presentation
  大阪大学
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Geometry and topology of geometric limits2008
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群研究集会
- Place of Presentation
  岡山大学
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Classification of geometric limits2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Hyperbolic geometry and related to pics
- Place of Presentation
  KIAS, Seoul, Korea
- Year and Date
  2008-12-15
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Geometry and topology of geometric limits2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  リーマン面・不連続群研究集会
- Place of Presentation
  岡山大学
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Classification of geometric limits2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Hyperbolic geometry and related topics
- Place of Presentation
  KIAS Seoul Korea
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Deformation spaces of Kleinian groups2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Algebraic Topology, Braids and Mapping Class Groups
- Place of Presentation
  National University of Singapore
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation]2008
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群研究集会
- Place of Presentation
  岡山大学
- Year and Date
  2008-01-15
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Deformation spaces of Kleinian groups2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Algebraic Topology, Braids and Mapping Class Groups
- Place of Presentation
  IMS, National University of Singapore
- Year and Date
  2008-12-05
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Classification of geometric limits2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Hyperbolic geometry and related topics
- Place of Presentation
  KIAS Seoul Korea
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Geometry and topology of geometric limits2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  リーマン面・不連続群研究集会
- Place of Presentation
  岡山大学
- Year and Date
  2008-01-15
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Deformation spaces of Kleinian groups2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Algebraic Topology, Braids and Mapping Class Groups
- Place of Presentation
  IMS, National University of Singapore
- Year and Date
  2008-12-05
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Classification of geometric limits2008
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Hyperbolic geometry and related topics
- Place of Presentation
  KIAS, Seoul, Korea
- Year and Date
  2008-12-15
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Divergence,exotic convergence and self-bumping in quasi-Fuchsian spaces2007
- Author(s)
  大鹿健一
- Organizer
  Workshop on Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  University of Warwick
- Year and Date
  2007-07-16
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Geometric limits viewed through model manifolds2007
- Author(s)
  大鹿健一
- Organizer
  離散群と双曲空間の解析学とトポロジー
- Place of Presentation
  京都大学数理科学研究所
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Geometric limits viewed through model manifolds2007
- Author(s)
  大鹿健一
- Organizer
  離散群と双曲空間の解析学とトポロジー
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-12-10
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Divergence, exotic convergence and self-bumping in quasi-Fuchsian spaces2007
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  University of Warwick
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Geometric limits viewed through model manifolds2007
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Analysis and topology of discrete groups and hyperbolic spaces
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-12-10
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Devergence, exotic convergence and self-bumping in quasi-Fucsian spaces2007
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  University of Warwick
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Divergence, exotic convergence and self-bumping in quasi-Fuchsian spaces2007
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  University of Warwick
- Year and Date
  2007-07-16
- Data Source
  KAKENHI-PROJECT-19654009
[Presentation] Geometric limits viewed through model manifolds2007
- Author(s)
  大鹿健一
- Organizer
  Analysis and topology of discrete groups and hyperbolic spaces
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-12-10
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Geometric limits viewed through model manifolds2007
- Author(s)
  Ken'ichi Ohshika
- Organizer
  離散群と双曲空間の解析学とトポロジー
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Small actons of 3-manifold groups on R-trees and degeneration of hyperbolic structures2006
- Author(s)
  大鹿健一
- Organizer
  多様体上の双曲群の作用とその周辺
- Place of Presentation
  首都大学東京
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] 3次元多様体群の小さいR-樹作用と双曲構造の退化2006
- Author(s)
  大鹿健一
- Organizer
  トポロジーの展望
- Place of Presentation
  九州大学
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Small actions of 3-manifold groups on R-trees and degeneration of hyperbolic structures2006
- Author(s)
  Ken'ichi Ohshika
- Organizer
  多様体上の双曲群の作用とその周辺
- Place of Presentation
  首都大学東京
- Data Source
  KAKENHI-PROJECT-18540090
[Presentation] Riley sliceの境界について2006
- Author(s)
  大鹿健一
- Organizer
  リーマン面、不連続群研究集会
- Place of Presentation
  奈良女子大学
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] The boundary of the Riley slice2005
- Author(s)
  大鹿健一
- Organizer
  双曲空間の複素解析と幾何学的研究
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] 位相幾何学的クライン群論の現況2004
- Author(s)
  大鹿健一
- Organizer
  日本数学会秋季総合分科会トポロジー分科会特別講演
- Place of Presentation
  北海道大学
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16204004
[Presentation] Automorphism groups of Heegaard splittings and their actions
- Author(s)
  Ken’ichi Ohshika
- Organizer
  離散群と双曲空間の複素解析とトポロジー
- Place of Presentation
  京都大学数理解析研究所(京都府）
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Reduced Bers boundaries and their symmetries
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KIAS Workshop on Hyperbolic geometry, boundedcohomology and symmetric spaces
- Place of Presentation
  KIAS 韓国
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] クライン群の変形空間の位相構造
- Author(s)
  大鹿健一
- Organizer
  日本数学会（幾何学分科会特別講演）
- Place of Presentation
  九州大学
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Japanese Turkish Joint Geometry Meeting
- Place of Presentation
  Galatasaray University, Istanbul, Turkey
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] The work of Thurston on Kleinian groups, (4 talks)
- Author(s)
  K. Ohshika
- Organizer
  Master Class : Around Thurston-Grothendieck-Teichmuller theories
- Place of Presentation
  IRMA, Strasbourg, France
- Year and Date
  2014-05-12 – 2014-05-15
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Geometric limits and deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST GT Fair
- Place of Presentation
  Jeonju, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Topological structure of deformation spaces for Kleinian groups and beyond
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KMS meeting invited address
- Place of Presentation
  Daejeon Convention Centre, Daejeon, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Japanese Turkish Joint Geometry Meeting,
- Place of Presentation
  Galatasaray University, Istanbul
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Two kinds of reduced boundaries of Teichmuller spaces and their symmetries
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Group Actions in Geometry, Topology and Analysis
- Place of Presentation
  Kunming University of Science and Technology, China
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Subgroups of mapping class groups associated to Heegaard splittings and their actions on projective lamination spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  New Trends in Teichmüller Theory and Mapping Class Groups
- Place of Presentation
  MFO Oberwolfach
- Invited
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken’ichi Ohshika
- Organizer
  Analysis and Geometry of Riemann Surfaces and Related Topics
- Place of Presentation
  東京工業大学(東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Reduced Bers boundaries and their symmetries
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KIAS Workshop on Hyperbolic geometry, bounded cohomology and symmetric spaces and related topics
- Place of Presentation
  KIAS 韓国ソウル
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] The work of Thurston on Kleinian groups. (4 talks)
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Master Class : Around Thurston-Grothendieck-Teichmuller theories, IRMA
- Place of Presentation
  Strasbourg, France
- Year and Date
  2014-05-12 – 2014-05-15
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Topological structure of deformation spaces for Kleinian groups and beyond
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KMS autumn meeting
- Place of Presentation
  Daejeon Convention Center, 韓国　大田
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] The work of Thurston on Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Around Thurston-Grothendieck-Teichmuller theories
- Place of Presentation
  IRMA，Strasbourg（フランス）
- Year and Date
  2014-05-12 – 2014-05-15
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Actions of isomorphism groups of Heegaard splittings on projective lamination spaces
- Author(s)
  K. Ohshika
- Organizer
  KAIST GT Fair
- Place of Presentation
  KAIST, 大田，韓国
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Automorphism groups of Heegaard splittings and bridge decompositions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic geometry, geometric structures and bounded cohomology
- Place of Presentation
  KIAS , Seoul, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Geometric completion for quasi-Fuchsian spaces
- Author(s)
  Ken’ichi Ohshika
- Organizer
  AMC 2013
- Place of Presentation
  Pusan BEXCO, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Aspects of representation theory in low-dimensional topology and 3-dimensional invariants
- Place of Presentation
  Carry le Rouet, France
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces
- Author(s)
  K. Ohshika
- Organizer
  Aspects of representation theory in low-dimensional topology and 3-dimensional invariants
- Place of Presentation
  Carry-le-Rouet, フランス
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Automorphism groups of Heegaard splittings and bridge decompositions
- Author(s)
  K. Ohshika
- Organizer
  Workshop on Hyperbolic geometry, geometric structures and bounded cohomology
- Place of Presentation
  KIAS, ソウル，韓国
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Actions of isomorphism groups of Heegaard splittings on projective lamination spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST Geometric Topology Fair
- Place of Presentation
  KAIST，韓国　大田
- Invited
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Automorphism groups of Heegaard splittings and bridge decompositions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic geometry, geometric structures and bounded cohomology
- Place of Presentation
  KIAS, 韓国　ソウル
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Automorphism groups of Heegaard splittings and their actions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  離散群と双曲空間の複素解析とトポロジー
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Analysis and Geometry of Riemann Surfaces and Related Topics
- Place of Presentation
  Tokyo Institute of Technology（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Topological structure of deformation spaces of Kleinian groups
- Author(s)
  大鹿健一
- Organizer
  日本数学会，幾何学賞受賞講演
- Place of Presentation
  九州大学（福岡県）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Actions of isomorphism groups of Heegaard splittings on projective lamination spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST Geometric Topology Fair
- Place of Presentation
  KAIST 韓国　大田
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Deformation spaces of Kleinian groups and group actions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Geometry of Moduli Space of Low Dimensional Manifolds
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Two kinds of reduced boundaries of Teichmuller spaces and their symmetries
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Group Actions in Geometry, Topology and Analysis
- Place of Presentation
  昆明理工大学
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Topological structure of deformation spaces for Kleinian groups and beyond
- Author(s)
  K. Ohshika
- Organizer
  KMS autumn meetin
- Place of Presentation
  Daejeon Convention Center，大田，韓国
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Geometric limits and deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST GT Fair
- Place of Presentation
  Jeonju, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Actions of isomorphism groups of Heegaard splittings on projective lamination spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  THe 10th KAIST Geometry Topology Fair
- Place of Presentation
  KAIST, Daejeon, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Two kinds of reduced boundaries of Teichmuller spaces and their symmetries
- Author(s)
  K. Ohshika
- Organizer
  Group Actions in Geometry, Topology and Analysis
- Place of Presentation
  昆明理工大学，昆明，中国
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Two kinds of reduced boundaries of Teichmuller spaces and their symmetries
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Group Actions in Geometry, Topology and Analysis
- Place of Presentation
  昆明理工大学，中国
- Invited
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Analysis and Geometry of Riemann Surfaces and Related Topics
- Place of Presentation
  東京工業大学
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Primitive stability for free Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  離散群と双曲空間の解析と幾何
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Subgroups of mapping class groups associated to Heegaard splittings and their actions on projective lamination spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  New Trends in Teichmuller Theory and Mapping Class Groups
- Place of Presentation
  Oberwolfach数学研究所(MFO), Germany
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken’ichi Ohshika
- Organizer
  Japanese Turkish Joint Geometry Meeting
- Place of Presentation
  Galatasaray University, Istanbul, Turkey
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Actions of isomorphism groups of Heegaard splittings on projective lamination spaces,
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KIAST GT Fair
- Place of Presentation
  KIAST Daejeon, Korea,
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Automorphism groups of Heegaard splittings and their actions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  研究集会「離散群と双曲空間の複素解析とトポロジー」
- Place of Presentation
  RIMS、京都大学（京都府）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Automorphism groups of Heegaard splittings and bridge decompositions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Workshop on Hyperbolic geometry, geometric structures and bounded cohomology
- Place of Presentation
  KIAS　韓国　ソウル
- Invited
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Geometric limits and deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  KAIST GT Fair,
- Place of Presentation
  Jeonju, Korea,
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Aspects of representation theory in low-dimensional topology and 3-dimensional invariants
- Place of Presentation
  Carry-le-Rouet フランス
- Invited
- Data Source
  KAKENHI-PROJECT-22654008
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Aspects of representation theory in low-dimensional topology and 3-dimensional invariants
- Place of Presentation
  Carry-le-Rouet, France,
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Japanese Turkish Joint Geometry Meeting
- Place of Presentation
  Galatasaray University, Istanbul, Turkey
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Geometric completion for quasi-Fuchsian spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  AMC 2013
- Place of Presentation
  BEXCO Pusan,
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Primitive stable closed hyperbolic 3-manifolds
- Author(s)
  大鹿健一
- Organizer
  リーマン面・不連続群研究集会
- Place of Presentation
  大阪大学
- Invited
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Subgroups of mapping class groups generated by Dehn twists around meridians on splitting surfaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Aspects of representation theory in low-dimensional topology and 3-dimensional invariants
- Place of Presentation
  Carry-le-Rouet, フランス
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Subgroups of mapping class groups related to Heegaard splittings and bridge decompositions
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Low-dimensional Geometry and Topology
- Place of Presentation
  Tokyo Institute of Technology, Tokyo, Japan
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Subgroups of mapping class groups associated to Heegaard splittings and their actions on projective lamination spaces
- Author(s)
  Ken’ichi Ohshika
- Organizer
  New Trends in Teichmüller Theory and Mapping Class Groups
- Place of Presentation
  MFO Oberwolfach, Germany
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Primitive stability for free Kleinian groups
- Author(s)
  大鹿健一
- Organizer
  京都大学数理解析研究所　研究集会　離散群と双曲空間の解析と幾何
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-22244005
[Presentation] Geometric completion for quasi-Fuchsian spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  The Asian Mathematical Conference 2013
- Place of Presentation
  Busan, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] クライン群の変形空間の位相構造
- Author(s)
  大鹿健一
- Organizer
  日本数学会（幾何学分科会特別講演）
- Place of Presentation
  九州大学
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Geometric completion for deformation spaces of Kleinian groups
- Author(s)
  Ken'ichi Ohshika
- Organizer
  Analysis and Geometry of Riemann Surfaces and Related Topics
- Place of Presentation
  東京工業大学
- Invited
- Data Source
  KAKENHI-PROJECT-25610010
[Presentation] Geometric completion for quasi-Fuchsian spaces
- Author(s)
  Ken'ichi Ohshika
- Organizer
  AMC 2013
- Place of Presentation
  Pusan BEXCO, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-24340009
[Presentation] Geometric limits and deformation spaces of Kleinian groups
- Author(s)
  Ken’ichi Ohshika
- Organizer
  KAIST GT Fair
- Place of Presentation
  Jeonju, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-24224002

1. MIYACHI Hideki (40385480)

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Ohshika Ken'ichi 大鹿 健一

OHSHIKA Ken'ichi 大鹿 健一

大鹿 健一

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３次元トポロジーへの応用を目指した離散群の表現空間と大域幾何の研究Principal Investigator

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Reconstructing the Thurston theory based on Higgs bundles and its new developmentPrincipal Investigator

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Various evolutions of Teichmuller theoryPrincipal Investigator

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Geometry of discrete groups and its applications to 3-dimensional topologyPrincipal Investigator

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Remodelling Kleinin group theory using ergodic theory and complex analysisPrincipal Investigator

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Combinatorial models of character varieties and the dynamics of group actions therePrincipal Investigator

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Global geometric studies on Kleinian groups and Teichmuller spacesPrincipal Investigator

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Ohshika Ken'ichi 大鹿健一

OHSHIKA Ken'ichi 大鹿健一

大鹿健一