Kojima Sadayoshi 小島定吉

… Alternative Names

Researcher Number	90117705
Other IDs
External Links
Affiliation (Current)	2019: 早稲田大学, 理工学術院, 教授(任期付)
Affiliation (based on the past Project Information) *help	2016 – 2017: 東京工業大学, 情報理工学院, 教授 2012 – 2016: 東京工業大学, 情報理工学(系)研究科, 教授 2007 – 2011: Tokyo Institute of Technology, 大学院・情報理工学研究科, 教授 2009: 東京工業大学, 大学院・情報理工研究科, 教授 2008: Tokyo Institute of Technology, 大学院・情報理工学(系)研究科, 教授 … More
Review Section/Research Field	Principal Investigator Geometry / Geometry / 代数学・幾何学 Except Principal Investigator Geometry / 解析学 / Geometry / General mathematics (including Probability theory/Statistical mathematics) / 代数学・幾何学
Keywords	Principal Investigator 幾何構造 / 3次元トポロジー / 双曲幾何学 / 可視化 / 錐多様体 / 3次元多様体 / 双曲多様体 / 2次特性類 / 葉層構造 / 体積 … More Except Principal Investigator 3次元多様体 / 力学系 / 葉層構造 / ゲージ理論 / 結び目 / 量子不変量 / 共形場理論 / 写像類群 / 多様体 / 特異点 / 漸近理論 / クライン群 / 特異点論 / モジュライ空間 / ホモトピー論 / 結び目理論 / Witten不変量 / Witten invariant / 双曲空間 / シンプレクティック微分同相 / 相対論的Euler方程式 / トポロジー / 双曲幾何学 / 古典力学的極限 / 位相幾何 / 双曲多様体 / 群作用 / 衝撃波解 / 変換群論 / Conformal field theory / foliation / WZWモデル / 3-dimensional manfold / dynamical systems / 4次元多様体 / 時系列解析 / 変換群 / モース理論 / Gauge theory / Transformation group / 双曲幾何 / 離散ボルツマン方程式 / 型及び証明論 / 3-manifold / アレクサンドロフ空間 / ミンコフスキー空間 / Seifert行列 / 力学素 / hierarchy / 弦理論 / knot / 確率過程 / 低次元多様体 / 共形幾何学 / The LMO Invariant / rotation vector / 無限学の解析 / manifold / Types and Proof Theory / 位相的エントロピー / hyperbolic space / Riemann面 / 微分幾何学 / Foliation / 群の表現 / Cone Manifolds / アフィン構造 / 随伴系 / Symplectic Geometry / area preserving maps / 有限型不変量 / 微分幾何 / コンタクト多様体 / 3次元双曲多様体 / 横断的測度 / シンプレクティク微分同相 / 超平面配置 / 接触幾何学 / transverse measure / シンプレクティック幾何学 / 共形幾何 / Knot / singularity / Inverse Problems / 位相不変量 / 神経方程式 / 幾何学的群論 / 非線形発展方程式 / Hyperplanes Arrangements / 偏微分方程式 / 極小集合 / 非線形偏微分方程式 / 擬球面 / 多項式環 / モ-ス理論 / 面積保存写像 / transformation theory / 写像群 / 力学系理論 / 位相量子場の理論 / ハミルトン流れ / Klein群 / 葉層構造理論 / 視素多様体 / 位相幾何学 / 逆問題 / 非可換テータ函数 / 非線型発展方程式 / 非線形 / 進行波解 / 量子アフィン代数 / 幾何学 / 錐多様体 / Knot theory / Singularities / Hamiltoniansystem / 摂動法 / レフシェッツ環 / コボルディズム / リ-マン面 / トーリックトポロジー / roun action / フレア-ホモロジー / 値分布 / Homotopy theory / holonomy group / 可解性条件 / Godbillon-Vey不変量 / 不動点定理 / Hyperbolic Geometries / シンプレクティック幾何 / 空間形 / 回転ベクトル / 3 manifolds / 錘多様体 / Perturbative / 型図子 / Hyperbolic Geometry / 周期軌道 / 集中現象 / conformal geometry / ホロノミー群 / gauge theory / 迷問題 / 不動点理論 / Mathematical physics / 漸近展開 / エルゴード的測度 / symplectic diffeomorphism / モーメント写像 / 離散速度ボルツマン方程式 / Dynamical system / Hamiltonian flow / 複素構造 / タイヒミュラー空間 / Concentration Phenomena / Gauge Theory / 4 dimensional manifold / Hitchin system / 数理計画 / 型・証明論 / 反応拡散系 / 位相的場の理論 / Floer homology / エネルギー汎関数 / 野性的空間 / ボルツマン方程式 / 数理物理学 / 光錐 / 群論 / 非定常過程 / Topology / moduli space / energy functional / 不変式 / Kleiniaangroup / 漸近解析 / 射影構造 / 非線形関数解析学 / 分岐理論 / 代数解析学と表現論 / ナビエ・スト-クス方程式 / ホモトピー群 / 大域解 / 流体力学的極限 / 楕円型 / Geometric Grouptheory / 実解析的手法 / manning class group / Teichmuller空間 / CR構造 / Theory of singularity / 初期層 / イソトピー / 画像処理 / Real Analytic Methods / foliations / 面積保存同相写像 / 量子群 / リーマン面 / エネルギー / 幾何的極限 / 型理論 / 微分同相群 / 回転数 / 群 / 不動点指数 / Nonlinear evolution equations / singularity theory / 自己相似解 / Dynamical System / 正則写像 / 余次元1葉層 / 非線形作用素 / 予測 / String Theory / 半空間定常問題 / 無限群 / メビウス変換 / 境界層理論 / Finite Type Invariant / ベクトル束のモジュライ空間 / コンフォーマル・ブロック / 実解析的方法 / ハミルトン系 / 非線形エルゴード定理 / 有理関数体 / homotopy theory / ラムダ計算 / 変形空間 / 平行超曲面 / ルジャンドル多様体 / シンプレクティック多様体 / 微分トポロジー / homotopv group / マルコフ過程 / Differential Geometry / 非調和比 / rotation number / 摂動的不変量 / 曲線複体 Less

Topology related with surfaces and 3-mainfoldsPrincipal Investigator
- Principal Investigator
  
  Kojima Sadayoshi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
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
Deepening three-manifold theoryPrincipal Investigator
- Principal Investigator
  
  KOJIMA Sadayoshi
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
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
Geometry and Invariants of 3-manifoldsPrincipal Investigator
- Principal Investigator
  
  KOJIMA Sadayoshi
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
WZW model and 3-manifolds
- Principal Investigator
  
  YOSHIDA Tomoyoshi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
A classification of hyperbolic 3-manifolds and deformation spaces of hyperbolic structures
- Principal Investigator
  
  OHSHIKA Ken'ichi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
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
トポロジーにおける実験数学Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Research on several geometry from the view point of sinuglarity theory
- Principal Investigator
  
  IZUMIYA Shyuichi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  HOKKAIDO UNIVERSITY
Geometry and topology of 3-manifolds IIPrincipal Investigator
- Principal Investigator
  
  KOJIMA Sadayoshi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  TOKYO INSTITUTE OF TECHNOLOGY
Conformal Field Theory and Witten Invariant
- Principal Investigator
  
  YOSHIDA Tomoyoshi
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Energy of knots and conformal geometry
- Principal Investigator
  
  OHNITA Yoshihiro, IMAI Jun
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Metropolitan University
Geometry and Topology of 3-ManifoldsPrincipal Investigator
- Principal Investigator
  
  KOJIMA Sadayoshi
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Gauge Theory and 3-Dimensional Manifolds
- Principal Investigator
  
  YOSHIDA Tomoyoshi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Deformation of cone-manifolds and topology of 3-mainfoldsPrincipal Investigator
- Principal Investigator
  
  KOJIMA Sadayoshi
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
Synthetic Study of Foliations and Dynamical Systems
- Principal Investigator
  
  MATUMOTO Shigenori
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Nihon University
Topology of knots and 3-manifolds
- Principal Investigator
  
  OHTSUKI Tomotada
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
ゲージ理論と3次元多様体の不変量
- Principal Investigator
  
  吉田朋好
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tokyo Institute of Technology
多様体の幾何構造変形の可視化Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
非線形ボルツマン方程式の境界値問題の研究
- Principal Investigator
  
  鵜飼正二
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
型理論とその周辺
- Principal Investigator
  
  寶来正子
- 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
神経方程式における過渡的現象の解析
- Principal Investigator
  
  高橋渉
- 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
COMPREHENSIVE STUDY OF TOPOLOGY
- Principal Investigator
  
  MORITA Shigeyuki
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  University of Tokyo
SEEKING FURTHER POSSIBILITIES OF MATHEMATICS
- Principal Investigator
  
  YOSHIKAWA Atsushi
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  解析学
- Research Institution
  KYUSHU UNIVERSITY
3次元多様体の幾何構造Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tokyo Institute of Technology
モジュライ空間と低次元多様体
- Principal Investigator
  
  森田茂之
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
幾何構造の可視化Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
多粒子系の非線型微分方程式の研究
- Principal Investigator
  
  鵜飼正二
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
低次元多様体の構造とその可視化Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
非線形楕円型方程式に対するPohozaevの恒等式とその応用
- Principal Investigator
  
  柳田英二
- 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
3次元多様体の幾何と基本群Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
低次元多様体の幾何構造とその可視化Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
非線形偏微分方程式の漸近理論の研究
- Principal Investigator
  
  鵜飼正二
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
General study of topology
- Principal Investigator
  
  NISHIDA Goro
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  Geometry
- Research Institution
  KYOTO UNIVERSITY
非線形関数解析学とその周辺
- Principal Investigator
  
  高橋渉
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
多様体上の葉層構造と力学系
- Principal Investigator
  
  増田一男
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo Institute of Technology
複素構造の解析学的・幾何学的研究
- Principal Investigator
  
  野口潤次郎
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
低次元多様体の幾何学とその周辺Principal Investigator
- Principal Investigator
  
  小島定吉
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo Institute of Technology
非線形現象の偏微分方程式に関する研究
- Principal Investigator
  
  鵜飼正二
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo Institute of Technology
確率過程の推測理論の数学的研究
- Principal Investigator
  
  藤井光昭
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tokyo Institute of Technology
有限群の表現とその応用
- Principal Investigator
  
  遠藤静男
- Project Period (FY)
  1986
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo Metropolitan University

[Book] 離散構造2013
- Author(s)
  小島　定吉
- Total Pages
  170
- Publisher
  朝倉書店
- Data Source
  KAKENHI-PROJECT-24224002
[Book] 離散構造2013
- Author(s)
  小島定吉　（小島定吉）
- Total Pages
  167
- Publisher
  朝倉書店
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] Normalized entropy versus volume for pseudo-Anosovs2018
- Author(s)
  S. Kojima and G. McShane
- Journal Title
  
  Geometry and Topology
  
  Volume: 22 Pages: 2403-2426
- DOI
  10.2140/gt.2018.22.2403
- Open Access / Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] Normalized entropy versus volume for pseudo Anosovs2017
- Author(s)
  S. Kojima and G. McShane
- Journal Title
  
  Geometry and Topology
  
  Volume: 未定
- Acknowledgement Compliant / Open Access / Int'l Joint Research / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03619
[Journal Article] Minimal dilatations of pseudo-Anosovs generated by the magic 3-manifold and their asymptotic behavior2013
- Author(s)
  E. Kin, S. Kojima and M. Takasawa
- Journal Title
  
  Algebr. Geom. Topol.
  
  Volume: 13 Pages: 3537-3602
- DOI
  10.2140/agt.2013.13.3537
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-24224002, KAKENHI-PROJECT-25610010
[Journal Article] Entropy, Weil-Petersson translation distance and Gromov norm for surface automorphisms2012
- Author(s)
  S.Kojima
- Journal Title
  
  Proceedings of American Mathematical Society
  
  Volume: (To appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] Entropy, Weil-Petersson translation distance and Gromov norm for surface automorphisms2012
- Author(s)
  Sadayoshi Kojima (S. Kojima)
- Journal Title
  
  Proc. Amer. Math. Soc.
  
  Volume: 140 Pages: 3993-4002
- DOI
  10.1090/s0002-9939-2012-11250-x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004, KAKENHI-PROJECT-24224002
[Journal Article] A numerical algorithm for block-diagonal decomposition of matrix ^*-algebra.2010
- Author(s)
  K.Murota, Y.Kanno, M.Kojima, S.Kojima
- Journal Title
  
  Japan J.Indust.Appl.Math.
  
  Volume: 27 Pages: 125-160
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244004
[Journal Article] Entropy versus volume for pseudo-Anosovs2009
- Author(s)
  E. Kin, S. Kojima, M. Takasawa
- Journal Title
  
  Experiment. Math. 18
  
  Pages: 397-407
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle packing and Teichmuller space2009
- Author(s)
  Sadayoshi Kojima
- Journal Title
  
  Handbook of Teichmuller Theory volume II
  
  Pages: 509-531
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle packings and Teichmuller space2009
- Author(s)
  S. Kojima
- Journal Title
  
  Handbook of Teichmuller theory VolumeII
  
  Pages: 509-531
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Entropy versus volume for pseudo-Anosovs2009
- Author(s)
  E. Kin,S. Kojima, M. Takasawa
- Journal Title
  
  Experimental Mathematics (In press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Entropy versus volume for pseudo-Anosovs2009
- Author(s)
  E.Kin., S.Kojima., M.Takasawa
- Journal Title
  
  Experimental Mathematics 18
  
  Pages: 397-407
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle packing and Teichmuller space2009
- Author(s)
  Sadayoshi Kojima
- Journal Title
  
  Handbook of Teichmuller Theory, Volume II
  
  Pages: 509-531
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Entropy versus volume for pseudo-Anosovs2009
- Author(s)
  Eiko Kin, Sadayoshi Kojima and Mitsuhiko Takasawa
- Journal Title
  
  Experimental Mathematics (in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle packing and Teichmuller space2009
- Author(s)
  Sadayoshi Kojima
- Journal Title
  
  Handbook of TeichmuUer Theory, Volume II
  
  Pages: 509-531
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle packings on surfaces with projective structures and uniformization2006
- Author(s)
  Sadayoshi Kojima, Shigeru Mizushima, Ser Peow Tan
- Journal Title
  
  Pacific J. Math 225
  
  Pages: 287-300
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Circle packings on surfaces with projective structures: A survey2006
- Author(s)
  S. Kojima, S, Mizushima, S.P. Tan
- Journal Title
  
  LMS Lecture Note Series 329
  
  Pages: 337-353
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle packings on surfaces with projective structures and uniformization2006
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  Pacific J. Math. 225
  
  Pages: 287-300
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Circle Packings on Surfaces with Projective Structures and Uniformization, Pacific J2006
- Author(s)
  S.Kojima, Mizushima, S. P. Tan
- Journal Title
  
  Math 255
  
  Pages: 287-300
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340014
[Journal Article] Circle packings on surfaces with projective structures : a survey2006
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  London Math. Soc. Lecture Note Ser 326
  
  Pages: 337-353
- Data Source
  KAKENHI-PROJECT-17340016
[Journal Article] Circle packings on surfaces with projective strand uniformization2006
- Author(s)
  S.Kojima, S.Mizushima, S.P.tan
- Journal Title
  
  Pacific Journal of Mathematics 225
  
  Pages: 287-300
- Data Source
  KAKENHI-PROJECT-17340014
[Journal Article] Circle Packings on Surfaces with Projective Structures2006
- Author(s)
  S.Kojima, S. Mizushima , S. P. Tan
- Journal Title
  
  LMS Lecture Note Series 329
  
  Pages: 337-353
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340014
[Journal Article] Circle packing on surfaces with projective structures : a survery2006
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  London Math. Soc., Lecuture Note Series 329
  
  Pages: 337-353
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle Packings on Surfaces with Projective Structures and Uniformization,2006
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  Pacific J. Math., 225
  
  Pages: 287-300
- Data Source
  KAKENHI-PROJECT-17204007
[Journal Article] Circle packings on surfaces with projective structures and uniformizaton2006
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  Pacific Journal of Mathematics 225
  
  Pages: 287-300
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle paokincgs on surfaces with projective structures and uniformization2006
- Author(s)
  S. Kojima, S. Mizushima, S.P. Tan
- Journal Title
  
  Pacific J. Math. 225
  
  Pages: 287-300
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] The dehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  S.Kojima, S.Mizushima
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540064
[Journal Article] The Oehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  S.Kojima, S.Mizushima
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Data Source
  KAKENHI-PROJECT-15540064
[Journal Article] The Dehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  S.Kojima, S.Mizushima
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540088
[Journal Article] The Dehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  Kojima, S., Mizushima, S.
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540088
[Journal Article] The Dehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  S.Kojima
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Data Source
  KAKENHI-PROJECT-15540088
[Journal Article] The Dehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  S.Kojima, S.Mizushima
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540064
[Journal Article] The Dehn filling space of a certain hyperbolic 3-orbifold2004
- Author(s)
  Kojima, Mizushima
- Journal Title
  
  Contemporary Math. 347
  
  Pages: 131-140
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures2003
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  J.Differential Geom. 63
  
  Pages: 349-397
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540064
[Journal Article] Sphairahedral Approach to Parameterize Visible2003
- Author(s)
  Kojima, S., Mizushima, S., Ahara, K., Araki, Y.
- Journal Title
  
  Three Dimensional Quasi-Fuchsian Fractals, CG12003
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540088
[Journal Article] Circle packings on surfaces with projective structures : A survey.
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  London Math.Soc., Lecture Notes. (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures and uniformization
- Author(s)
  Kojima., Mizushima, Tan
- Journal Title
  
  Pacific J.Math. (to appear)
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures : A survey
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  London Math.Soc., Lectures Notes (To appear)
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle Packings and Teichmuller Spaces
- Author(s)
  S. Kojima
- Journal Title
  
  Handbook of Teichmller Theory, Vol. II (to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340014
[Journal Article] Circle packings on surfaces with projective structures and uniformization
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  Pacific J. Math (印刷中)(to appear)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures and uniformization
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  Pacific J.Math (To appear)
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle Packings on Surfaces with Projective Structures and Uniformization
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  Pacific J.Math. (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540064
[Journal Article] Circle packings on surfaces with projective structures and uniformization.
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  Pacific J.Math. (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures : A survey
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  London Math. Soc., Lectures Notes (印刷中)(to appear)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures : A survey
- Author(s)
  Kojima, Mizushima, Tan
- Journal Title
  
  London Math.Soc., Lecture Notes (to appear)
- Data Source
  KAKENHI-PROJECT-15204004
[Journal Article] Circle packings on surfaces with projective structures : A survey
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  LMS Lecture Notes (to appear)
- Data Source
  KAKENHI-PROJECT-17340014
[Journal Article] Circle packings and Teichmuller spaces
- Author(s)
  Sadayoshi Kojima
- Journal Title
  
  Handbook of Teichmuller theory, II (To appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204004
[Journal Article] Circle Packings on Surfaces with Projective Structures : A survey
- Author(s)
  S.Kojima, S.Mizushima, S.P.Tan
- Journal Title
  
  LMS Lecture Notes (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540064
[Presentation] サーストンの3次元多様体論2018
- Author(s)
  小島定吉
- Organizer
  日本数学会市民講演会
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] On the moduli space of equilateral plane pentagons2017
- Author(s)
  Sadayoshi Kojima
- Organizer
  NUS-IMS workshop「Geometric structures and representation variety」
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] ペンタゴン2017
- Author(s)
  小島定吉
- Organizer
  千葉大学先進科学センター・オムニパスセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2016
- Author(s)
  小島　定吉
- Organizer
  京都大学数学教室談話会
- Place of Presentation
  京都大学（京都府京都市）
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2016
- Author(s)
  小島定吉
- Organizer
  京都大学数学教室談話会
- Place of Presentation
  京都大学
- Year and Date
  2016-10-26
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2015
- Author(s)
  小島定吉
- Organizer
  CREST暗号数理ミニワークショップ
- Place of Presentation
  九州大学
- Year and Date
  2015-09-04
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2015
- Author(s)
  小島定吉
- Organizer
  第６２回トポロジーシンポジウム
- Place of Presentation
  名古屋工業大学
- Year and Date
  2015-08-06
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2015
- Author(s)
  小島定吉
- Organizer
  第６２回トポロジーシンポジウム
- Place of Presentation
  名古屋工業大学，愛知県
- Year and Date
  2015-08-06
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2015
- Author(s)
  小島定吉
- Organizer
  CREST暗号数理ミニワークショップ
- Place of Presentation
  九州大学，福岡県
- Year and Date
  2015-09-04
- Invited
- Data Source
  KAKENHI-PROJECT-15H03619
[Presentation] The moduli space of pentagons2014
- Author(s)
  小島定吉
- Organizer
  NII Shonan Meeting「Knot theory: Algorithms, complexity and computation」
- Place of Presentation
  湘南国際村センター
- Year and Date
  2014-04-29
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2013
- Author(s)
  Sadayoshi Kojima
- 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-22244004
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2013
- Author(s)
  Sadayoshi Kojima
- Organizer
  低次元多様体の基本群とその表現に関する様々な構造について
- Place of Presentation
  国際奈良学セミナーハウス（奈良県）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Normalized entropy versus volume for pseudo-Anosovs2013
- Author(s)
  小島定吉
- Organizer
  幾何学コロキュウム
- Place of Presentation
  東京大学（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] トポロジーと基本群2013
- Author(s)
  小島定吉
- Organizer
  玉城嘉十郎教授記念公開学術講演会
- Place of Presentation
  京都大学（京都府）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Entropy versus Volume I, II2011
- Author(s)
  S.Kojima
- Organizer
  仙台シンポジウム W1
- Place of Presentation
  東北大学(招待講演)
- Year and Date
  2011-08-04
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Entropy versus Simplicial Volume for Surface Automorphisma2010
- Author(s)
  S.Kojima
- Organizer
  Geometry, Topology and Dynamics of Character Variety
- Place of Presentation
  IMS, National University of Singapore
- Year and Date
  2010-06-22
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Entropy versus Volume, Workshop on "Branched coverings2010
- Author(s)
  小島定吉
- Organizer
  degenerations and related topics
- Place of Presentation
  広島大学
- Year and Date
  2010-03-12
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Entropy versus Volume2010
- Author(s)
  Sadayoshi Kojima
- Organizer
  研究集会Branched coverings, degenerations and related topics 2010
- Place of Presentation
  広島大学大学院理学研究科
- Year and Date
  2010-03-11
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] 円周上の曲面束の幾何とトポロジー2010
- Author(s)
  小島定吉
- Organizer
  京都大学数学教室談話会
- Year and Date
  2010-01-20
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Entropy vs Volume2008
- Author(s)
  S.Kojima
- Organizer
  研究集会「KIAS Workshop on Hyperbolic Geometry and Related Topics」
- Place of Presentation
  KIAS, Korea
- Data Source
  KAKENHI-PROJECT-17340014
[Presentation] Entropy vs volume2008
- Author(s)
  Sadayoshi Kojima
- Organizer
  KIAS Workshop on Hyperbolic Geometry and Related Topics
- Place of Presentation
  Korean Institute for Advanced Study
- Year and Date
  2008-12-15
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Packings on surfaces I, ISM S.Kojima, Symposium「Packing and Random Packing 」2008
- Author(s)
  S.Kojima
- Organizer
  Circle packings on surfaces with projective structures
- Place of Presentation
  ISM
- Data Source
  KAKENHI-PROJECT-17340014
[Presentation] Entropy vs Volume2008
- Author(s)
  小島定吉
- Organizer
  KIAS Workshop on hyperbolic geometry and related topics
- Place of Presentation
  KIAS (Korea)
- Year and Date
  2008-12-15
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Circle packings of surfaces with projective structures2008
- Author(s)
  S.Kojima
- Organizer
  The XXth Nevanlinna Coloquium
- Place of Presentation
  EPF Lausanne
- Data Source
  KAKENHI-PROJECT-17340014
[Presentation] Comparison of hyperbolic volumes with other invariants2007
- Author(s)
  Sadayoshi Kojima
- Organizer
  Workshop on Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  University of Warwick
- Year and Date
  2007-07-20
- Data Source
  KAKENHI-PROJECT-17340016
[Presentation] Comparison of hyperbolic volumes with other invariants2007
- Author(s)
  小島定吉
- Organizer
  Workshop on hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  Warwick (UK)
- Year and Date
  2007-07-20
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Comparison of hyperbolic volumes with other invariants2007
- Author(s)
  S.Kojima
- Organizer
  研究集会「Workshop on hyperbolic structures on 3-manifolds and large scale geometry of Teichm\"uller space 」
- Place of Presentation
  Warwick, England
- Data Source
  KAKENHI-PROJECT-17340014
[Presentation] Comparison of hyperbolic volumes with other invariants2007
- Author(s)
  Sadayoshi Kojima
- Organizer
  orkshop on hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  University of Warwick
- Year and Date
  2007-07-20
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Comparison of hyperbolic volumes with other nvariants2007
- Author(s)
  S. Kojima
- Organizer
  Workshop on hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  Warwick, England
- Data Source
  KAKENHI-PROJECT-17340014
[Presentation] Comparison of hyperbolic volumes with other invariants2007
- Author(s)
  Sadayoshi Kojima
- Organizer
  Workshop on hyperbolic structure on 3-manifolds and large scale geometry of Teichmuller space
- Place of Presentation
  Warwick, England
- Year and Date
  2007-07-20
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Packings on projective Riemann surfaces2006
- Author(s)
  小島定吉
- Organizer
  eichmuller spaces
- Place of Presentation
  Oberwolfach (Germany)
- Year and Date
  2006-06-01
- Data Source
  KAKENHI-PROJECT-18204004
[Presentation] Packings on projective Riemann surfaces2006
- Author(s)
  S.Kojima
- Organizer
  研究集会「Teichm\"uller Spaces (Classical and Quantum) 」
- Place of Presentation
  Oberwolfach, Germany
- Data Source
  KAKENHI-PROJECT-17340014
[Presentation] Normalized entropy versus volume for pseudo-Anosovs
- Author(s)
  小島定吉
- 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] The moduli space of pentagons
- Author(s)
  小島定吉
- Organizer
  CREST 暗号数理キックオフミーティング
- Place of Presentation
  九州大学（福岡県）
- Year and Date
  2015-01-19 – 2015-01-20
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] Entropy versus Volume
- Author(s)
  小島定吉
- Organizer
  大阪大学数学教室談話会
- Place of Presentation
  大阪大学大学院理学研究科（大阪府）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] The moduli space of pentagons
- Author(s)
  小島定吉
- Organizer
  NII Shonan Meeting "Knot Theory: Algorithm, Complexity and Computation"
- Place of Presentation
  湘南国際村センター（神奈川県）
- Year and Date
  2014-04-27 – 2014-04-30
- Invited
- Data Source
  KAKENHI-PROJECT-22244004
[Presentation] トポロジーと基本群
- Author(s)
  小島定吉
- Organizer
  玉城嘉十郎教授記念公開学術講演会
- Place of Presentation
  京都大学（京都府）
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] Normalized entropy versus volume for pseudo-Anosovs
- Author(s)
  小島定吉
- Organizer
  低次元多様体の基本群とその表現に関する様々な構造について
- Place of Presentation
  国際奈良学セミナーハウス（奈良県）
- Invited
- Data Source
  KAKENHI-PROJECT-24224002
[Presentation] ポアンカレ予想の解決
- Author(s)
  小島定吉
- Organizer
  同友クラブ「師を囲む会」
- Place of Presentation
  パレスビル（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22244004

1. 高橋渉 (40016142)

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2. MORITA Shigeyuki (70011674)

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Kojima Sadayoshi 小島 定吉

KOJIMA Sadayoshi 小島 定吉

小島 定吉

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Topology related with surfaces and 3-mainfoldsPrincipal Investigator

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Deepening three-manifold theoryPrincipal Investigator

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Geometry and Invariants of 3-manifoldsPrincipal Investigator

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トポロジーにおける実験数学Principal Investigator

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Geometry and topology of 3-manifolds IIPrincipal Investigator

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Geometry and Topology of 3-ManifoldsPrincipal Investigator

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Kojima Sadayoshi 小島定吉

KOJIMA Sadayoshi 小島定吉

小島定吉