Basic Information

Faculty

• 理学部

Professional Memberships

• 日本数学会

Academic Degree

• 理学修士(東京大学)
• 博士（理学）(東京大学)

Research History

• From Sep. 2023, To Present

  Magdalen college, Oxford University, Honorary fellow
• From Sep. 2016, To Dec. 2016

  MSRI, Eisenbud Professorship
• From 2012, To Present

  Kyoto University, Graduate School of Science, 教授
• From 2007, To 2012

  Tohoku University, Graduate School of Information Sciences
• From 2011, To 2011

  ポアンカレ研究所
• From 2011, To 2011

  マックスプランク研究所
• From 2009, To 2010

  Kyoto University, Research Institute for Mathematical Sciences
• From 2009, To 2009

  マックスプランク研究所
• From 2008, To 2008

  カリフォルニア工科大
• From 1998, To 2007

  Tohoku University, Graduate School of Science, Department of Mathematics, 准教授
• From 2006, To 2006

  カリフォルニア工科大
• From 2005, To 2006

  マックスプランク研究所、ボン
• From 2004, To 2004

  リール大学、フランス
• From 2001, To 2001

  プロバンス大学、マルセイユ
• From 2000, To 2000

  MSRI, バークレー、アメリカ
• From 1999, To 2000

  Warwick大学、イギリス
• From 1998, To 1999

  ユタ大学、アメリカ
• From 1990, To 1998

  慶応義塾大学, 理工学部, 助手・専任講師
• From 1993, To 1995

  MSRI,バークレー、アメリカ
• From 1993, To 1993

  Warwick大学、イギリス

ID,URL

• J-Global ID

  200901061058888777

researchmap URL

• https://researchmap.jp/fujiwarakoji

Research

Research Topics, Overview of the research

• Research Topics

  数学、幾何学

• Overview of the research

  幾何学の中でも幾何学的群論と呼ばれる分野が専門で、無限離散群を幾何学的に研究しています。
  組み合わせ群論・トポロジー・リーマン幾何学などが交錯する分野です。

Research Interests

• 双曲幾何
• 離散群
• 幾何学的群論
• hyperbolic geometry
• discrete groups
• Geometric group theory

Research Areas

• Natural sciences, Geometry

Papers

• On the joint spectral radius for isometries of non-positively curved spaces and uniform growth

  Emmanuel Breuillard; Koji Fujiwara

  Annales de l'Institut Fourier, 07 Jun. 2021, Peer-reviewed

  
• Fixed point sets of parabolic isometries of CAT(0)-spaces

  K Fujiwara; K Nagano; T Shioya

  COMMENTARII MATHEMATICI HELVETICI, 2006, Peer-reviewed

  
• The Farrell–Jones Conjecture for Hyperbolic-by-Cyclic Groups

  Mladen Bestvina; Koji Fujiwara; Derrick Wigglesworth

  International Mathematics Research Notices, 27 Feb. 2022, Peer-reviewed

  
• The rates of growth in a hyperbolic group

  Koji Fujiwara; Zlil Sela

  Inventiones mathematicae, 08 Jun. 2023, Peer-reviewed

  
• Asymptotic dimension of planes and planar graphs

  Koji Fujiwara; Panos Papasoglu

  Transactions of the American Mathematical Society, 26 Aug. 2021, Peer-reviewed

  
• Graph manifolds as ends of negatively curved Riemannian manifolds

  Koji Fujiwara; Takashi Shioya

  Geometry and Topology, 2020, Peer-reviewed

  
• Solvable groups of interval exchange transformations

  François Dahmani; Koji Fujiwara; Vincent Guirardel

  Ann. Fac. Sci. Toulouse Math., 2020, Peer-reviewed

  
• Proper actions on finite products of quasi-trees

  Mladen Bestvina; Ken Bromberg; Koji Fujiwara

  Annales Henri Lebesgue, 26 Aug. 2021, Peer-reviewed

  
• Acylindrical actions on projection complexes

  Mladen Bestvina; Ken Bromberg; Koji Fujiwara; Alessandro Sisto

  Enseign. Math., 2019, Peer-reviewed

  
• Computing Kazhdan Constants by Semidefinite Programming

  Koji Fujiwara; Yuichi Kabaya

  Experimental Mathematics., 2019, Peer-reviewed

  
• The verbal width of acylindrically hyperbolic groups.

  Bestvina, Mladen; Bromberg, Kenneth; Fujiwara, Koji

  Algebr. Geom. Topol., 2019, Peer-reviewed

  
• Constructing group actions on quasi-trees

  Koji Fujiwara

  Proceedings of the International congress of mathematicians, 2018, Invited

  
• Handlebody subgroups in a mapping class group

  Mladen Bestvina; Koji Fujiwara

  Contemporary Mathematics, 2017, Peer-reviewed

  
• On quasihomomorphisms with noncommutative targets

  Koji Fujiwara; Michael Kapovich

  GEOMETRIC AND FUNCTIONAL ANALYSIS, Apr. 2016, Peer-reviewed

  
• STABLE COMMUTATOR LENGTH ON MAPPING CLASS GROUPS

  Mladen Bestvina; Ken Bromberg; Koji Fujiwara

  ANNALES DE L INSTITUT FOURIER, 2016, Peer-reviewed

  
• Can One Hear the Shape of a Group?

  Koji Fujiwara

  GEOMETRY AND TOPOLOGY OF MANIFOLDS, 2016, Peer-reviewed, Invited

  
• Bounded cohomology with coefficients in uniformly convex Banach spaces

  Mladen Bestvina; Ken Bromberg; Koji Fujiwara

  COMMENTARII MATHEMATICI HELVETICI, 2016, Peer-reviewed

  
• CONSTRUCTING GROUP ACTIONS ON QUASI-TREES AND APPLICATIONS TO MAPPING CLASS GROUPS

  Mladen Bestvina; Ken Bromberg; Koji Fujiwara

  PUBLICATIONS MATHEMATIQUES DE L IHES, Nov. 2015, Peer-reviewed

  
• Counting subgraphs in hyperbolic graphs with symmetry

  Danny Calegari; Koji Fujiwara

  JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, Jul. 2015, Peer-reviewed

  
• Subgroups generated by two Pseudo-Anosov elements in a mapping class group. II. uniform bound on exponents

  Koji Fujiwara

  Transactions of the American Mathematical Society, 2015, Peer-reviewed

  
• Asymptotically isometric metrics on relatively hyperbolic groups and marked length spectrum

  Koji Fujiwara

  Journal of Topology and Analysis, 2015, Peer-reviewed

  
• SHEARING COORDINATES AND CONVEXITY OF LENGTH FUNCTIONS ON TEICHMULLER SPACE

  M. Bestvina; K. Bromberg; K. Fujiwara; J. Souto

  AMERICAN JOURNAL OF MATHEMATICS, Dec. 2013, Peer-reviewed

  
• Geometry of the Funk metric on Weil-Petersson spaces

  Koji Fujiwara

  Mathematische Zeitschrift, Jun. 2013, Peer-reviewed

  
• Free groups of interval exchange transformations are rare

  François Dahmani; Koji Fujiwara; Vincent Guirardel

  Groups, Geometry, and Dynamics, 2013, Peer-reviewed

  
• Simplicial volume and fillings of hyperbolic manifolds

  Koji Fujiwara; Jason Fox Manning

  ALGEBRAIC AND GEOMETRIC TOPOLOGY, 2011, Peer-reviewed

  
• Combable functions, quasimorphisms, and the central limit theorem

  Danny Calegari; Koji Fujiwara

  ERGODIC THEORY AND DYNAMICAL SYSTEMS, Oct. 2010, Peer-reviewed

  
• CAT(0) AND CAT(-1) FILLINGS OF HYPERBOLIC MANIFOLDS

  Koji Fujiwara; Jason Fox Manning

  JOURNAL OF DIFFERENTIAL GEOMETRY, Jun. 2010, Peer-reviewed

  
• Rank-One Isometries of Buildings and Quasi-Morphisms of Kac-Moody Groups

  Pierre-Emmanuel Caprace; Koji Fujiwara

  GEOMETRIC AND FUNCTIONAL ANALYSIS, Feb. 2010, Peer-reviewed

  
• Stable commutator length in word-hyperbolic groups

  Danny Calegari; Koji Fujiwara

  GROUPS GEOMETRY AND DYNAMICS, 2010, Peer-reviewed

  
• A CHARACTERIZATION OF HIGHER RANK SYMMETRIC SPACES VIA BOUNDED COHOMOLOGY

  Mladen Bestvina; Koji Fujiwara

  GEOMETRIC AND FUNCTIONAL ANALYSIS, May 2009, Peer-reviewed

  
• Quasi homomorphisms on mapping class groups

  K.Fujiwara

  in "Handbook of Teichmuller Theory, Volume II". 241-270. 2009, EMS, 2009, Peer-reviewed

  
• Copies of one-ended groups in mapping class groups

  François Dahmani; Koji Fujiwara

  Groups, Geometry, and Dynamics, 2009, Peer-reviewed

  
• The asymptotic dimension of a curve graph is finite

  Gregory C. Bell; Koji Fujiwara

  JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, Feb. 2008, Peer-reviewed

  
• Quasi-homomorphisms on mapping class groups

  Mladen Bestvina; Koji Fujiwara

  Glasnik Matematicki, Jun. 2007, Peer-reviewed

  
• A note on spaces of asymptotic dimension one

  Koji Fujiwara; Kevin Whyte

  ALGEBRAIC AND GEOMETRIC TOPOLOGY, 2007, Peer-reviewed

  
• JSJ-decompositions of finitely presented groups and complexes of groups

  K Fujiwara; P Papasoglu

  GEOMETRIC AND FUNCTIONAL ANALYSIS, Feb. 2006, Peer-reviewed

  
• The second bounded cohomology of 3-manifolds

  K Fujiwara; K Ohshika

  PUBLICATIONS OF THE RESEARCH INSTITUTE FOR MATHEMATICAL SCIENCES, Aug. 2002, Peer-reviewed

  
• Bounded classes in the cohomology of manifolds

  K Fujiwara; T Soma

  GEOMETRIAE DEDICATA, Jul. 2002, Peer-reviewed

  
• Bounded cohomology of subgroups of mapping class groups

  Mladen Bestvina; Koji Fujiwara

  GEOMETRY & TOPOLOGY, 2002, Peer-reviewed

  
• The second bounded cohomology of an amalgamated free product of groups

  K Fujiwara

  TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, Mar. 2000, Peer-reviewed

  
• On isometric actions of SL(n, Z) on three-dimensional visibility manifolds

  K Fujiwara

  GEOMETRIAE DEDICATA, Sep. 1999, Peer-reviewed

  
• 3-manifold groups and property T of Kazhdan

  K Fujiwara

  PROCEEDINGS OF THE JAPAN ACADEMY SERIES A-MATHEMATICAL SCIENCES, Sep. 1999, Peer-reviewed

  
• Maximal and pointwise ergodic theorems for word-hyperbolic groups

  K Fujiwara; A Nevo

  ERGODIC THEORY AND DYNAMICAL SYSTEMS, Aug. 1998, Peer-reviewed

  
• The second bounded cohomology of a group acting on a Gromov-hyperbolic space

  K Fujiwara

  PROCEEDINGS OF THE LONDON MATHEMATICAL SOCIETY, Jan. 1998, Peer-reviewed

  
• The second bounded cohomology of word-hyperbolic groups

  DBA Epstein; K Fujiwara

  TOPOLOGY, Nov. 1997, Peer-reviewed

  
• Growth and the spectrum of the Laplacian of an infinite graph

  K Fujiwara

  TOHOKU MATHEMATICAL JOURNAL, Jun. 1996, Peer-reviewed

  
• The Laplacian on rapidly branching trees

  K Fujiwara

  DUKE MATHEMATICAL JOURNAL, Apr. 1996, Peer-reviewed

  
• EIGENVALUES OF LAPLACIANS ON A CLOSED RIEMANNIAN MANIFOLD AND ITS NETS

  K FUJIWARA

  PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, Aug. 1995, Peer-reviewed

  
• Convergence of the eigenvalues of Laplacians in a class of finite graphs, ``Geometry of the Spectrum

  K. Fujiwara

  "Geometry of the Spectrum'' edit. by R. Brooks, C. Gordon, P. Perry, Contemporary Mathematics, vol 173, AMS, 1994, 115-120, 1994, Peer-reviewed, Invited

  
• On the bottom of the spectrum of the Laplacian on graphs

  FUJIWARA K.

  Geometry and Its Applications, 1993, Peer-reviewed, Invited

  
• METRIC DEFORMATION OF NONPOSITIVELY CURVED MANIFOLDS

  K FUJIWARA

  JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, Apr. 1990, Peer-reviewed

  
• A CONSTRUCTION OF NEGATIVELY CURVED MANIFOLDS

  K FUJIWARA

  PROCEEDINGS OF THE JAPAN ACADEMY SERIES A-MATHEMATICAL SCIENCES, Nov. 1988, Peer-reviewed

  

Misc.

• The bookkeeper and the professor

  Koji Fujiwara

  AMS Notices AMS, 2010

  
• Remembering John Stallings

  K.Fujiwara; D.Calegari; B.Farb eta

  AMS Notices AMS, 2009

  
• マックス・プランク研究所滞在記.

  藤原耕二

  数学セミナー, 2006

  
• グロモフ

  藤原耕二

  数学セミナー 日本評論社, 2004

  
• 基本群

  藤原耕二

  数学の楽しみ 日本評論社, 1999

  

Presentations

• Growth rates in a family of hyperbolic groups.

  Koji Fujiwara

  International Colloquium on randomness, geometry, and dynamics. IISER, Pune.India., 01 Jan. 2024, Invited

  
• Growth rates in hyperbolic groups.

  Koji Fujiwara

  Groups and groups in the South East. Oxford. UK., 23 Jun. 2023, Invited

  
• Growth of hyperbolic groups

  Koji Fujiwara

  'Geometric Structures in Group Theory', 24 Jun. 2020, Invited

  
• Asymptotic dimension of arc graphs

  AMS sectional meeting, 22 Mar. 2019, Invited

  
• 非ユークリッド幾何の世界

  藤原 耕二

  玉城嘉十郎教授記念公開学術講演会「幾何の世界と対称性」, 08 Jan. 2019, Invited

  
• Group actions on quasi-trees.

  FUJIWARA Koji

  International Congress of Mathematicians, Aug. 2018, Invited

  
• 群の双曲性とその応用 (Hyper bolicity of groups and its application)

  藤原耕二

  京大・理, 2012

  
• Groups of interval exchange transformations

  藤原耕二

  Hausdorff Institute of Math, Bonn, Germany, 2010

  
• Geometric Structures and Geometric Group Theory

  藤原耕二

  Kias Workshop, Korea, 2009

  
• Groups, embeddings and applications

  藤原耕二

  U of Hawaii. USA, 2009

  
• Non-positive curvature and the elementary theory on free groups

  藤原耕二

  Anogia (Greece), 2008

  
• Topics in geometric group theory

  藤原耕二

  MSRI、米国, 2007

  
• Hyperbolic structures on 3-manifolds and large scale geometry of Teichmuller space

  藤原耕二

  U Warwick. UK, 2007

  
• Geometric and asymptotic group theory with applications

  藤原耕二

  ICM 2006 satellite meeting, Barcelona, Spain, 2006

  
• Low dimensional Topology

  日米数学研究所 会議, 2002

  
• Geometric group theory

  2002ICM北京 Geometric Topologyサテライト会議, 2002

  
• Low dimensional Topology

  日米数学研究所 会議, 2002

  
• Geometric group theory

  2002ICM北京 Geometric Topologyサテライト会議, 2002

  
• Geometric group theory

  第一回アメリカ、フランス数学会 共同国際会議, 2001

  
• Geometric group theory

  第一回アメリカ、フランス数学会 共同国際会議, 2001

  

Books and Other Publications

• 幾何学入門事典

  藤原耕二, Contributor, 39章

  朝倉書店, Jun. 2023

  Find Kyoto University's collection of books :

  
• 離散群の幾何学

  藤原耕二, Single work

  朝倉書店, May 2021

  
• サーストン万華鏡

  藤原耕二 他, Editor

  共立出版, 2020

  
• 岩波数学辞典 第4版

  藤原耕二, Contributor

  岩波書店、２００７, 2007, Not refereed

  
• 現代数学の土壌 2

  藤原耕二; ほか, Joint work

  上野 健爾, 砂田 利一,志賀 浩二編、日本評論社、2001 \n, 2001, Not refereed

  

Awards

• 2005

  日本数学会, 日本数学会幾何学賞
• 16 Apr. 2013

  文部科学省, 科学技術分野の文部科学大臣表彰　科学技術賞
• 15 Nov. 2014

  公益財団法人 倶進会, 柿内賢信記念賞 （実践賞）
• Sep. 2015

  日本数学会, 日本数学会秋季賞

External funds: others

• ジャーナリスト・イン・レジデンス

  数理科学振興会

  藤原耕二
• 慶応義塾研究奨励費

  From 1990, To 1990
• AMS travel grant for ICM 1994 in Zurich

  From 1994, To 1994
• 数理科学振興会　助成金

  From 91 1996, To 91 1996
• 文部省国際研究集会派遣

  From 99 2001, To 99 2001
• 「離散群の分解とツリーへの作用」

  From 1995, To 1996

  代表

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Forefront of Mathematics and Mathematical Science I

  4138, Spring, Faculty of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Differential Geometry D

  0535, Fall, Graduate School of Science, 3
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Differential Geometry C

  0534, Spring, Graduate School of Science, 3
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Differential Geometry B

  0533, Fall, Graduate School of Science, 3
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Differential Geometry A

  0532, Spring, Graduate School of Science, 3
• From 01 Apr. 2025, To 31 Mar. 2026

  Linear Algebra with Exercises A

  N151, Spring, Institute for Liberal Arts and Sciences, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Linear Algebra with Exercises B

  N152, Fall, Institute for Liberal Arts and Sciences, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Linear Algebra with Exercises A

  N151, Spring, Institute for Liberal Arts and Sciences, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Forefront of Mathematics and Mathematical Science I

  4138, Spring, Faculty of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Differential Geometry D

  0535, Fall, Graduate School of Science, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Differential Geometry C

  0534, Spring, Graduate School of Science, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Differential Geometry B

  0533, Fall, Graduate School of Science, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Differential Geometry A

  0532, Spring, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Special study course (Mathematical Science)

  5140, Year-long, Faculty of Science, 12
• From 01 Apr. 2023, To 31 Mar. 2024

  Forefront of Mathematics and Mathematical Science II

  4139, Fall, Faculty of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Differential Geometry c

  0436, Spring, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Differential Geometry b

  0435, Fall, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Differential Geometry a

  0434, Spring, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Geometry b

  0471, Fall, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Geometry a

  0470, Spring, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Differential Geometry d

  0437, Fall, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Geometry c

  0472, Spring, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Geometry d

  0473, Fall, Graduate School of Science, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Linear Algebra with Exercises B

  N152, Fall, Institute for Liberal Arts and Sciences, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Differential Geometry c

  0436, Spring, Graduate School of Science, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Differential Geometry d

  0437, Fall, Graduate School of Science, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Linear Algebra with Exercises A

  N151, Spring, Institute for Liberal Arts and Sciences, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Forefront of Mathematics and Mathematical Science I

  4138, Spring, Faculty of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Differential Geometry A

  0532, Spring, Graduate School of Science, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Differential Geometry b

  0435, Fall, Graduate School of Science, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Differential Geometry a

  0434, Spring, Graduate School of Science, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Differential Geometry B

  0533, Fall, Graduate School of Science, 3
• From Apr. 2012, To Mar. 2013

  Calculus B

  Fall, 全学共通科目
• From Apr. 2012, To Mar. 2013

  Mathematics seminary

  Year-long, 理学部
• From Apr. 2013, To Mar. 2014

  Advanced Geometry II

  Spring, 理学部
• From Apr. 2013, To Mar. 2014

  Linear Algebra A

  Spring, 全学共通科目
• From Apr. 2013, To Mar. 2014

  Linear Algebra B

  Fall, 全学共通科目
• From Apr. 2013, To Mar. 2014

  Advanced Calculus I - Vector Calculus

  Spring, 全学共通科目
• From Apr. 2014, To Mar. 2015

  Development of Mathematics - from basic to advanced B

  Fall, 理学部
• From Apr. 2014, To Mar. 2015

  Seminar on Differential Geometry A

  Spring, 理学研究科
• From Apr. 2014, To Mar. 2015

  Seminar on Differential Geometry B

  Fall, 理学研究科
• From Apr. 2014, To Mar. 2015

  Seminar on Differential Geometry C

  Spring, 理学研究科
• From Apr. 2014, To Mar. 2015

  Seminar on Differential Geometry D

  Fall, 理学研究科
• From Apr. 2014, To Mar. 2015

  Linear Algebra A

  Spring, 全学共通科目
• From Apr. 2014, To Mar. 2015

  Linear Algebra B

  Fall, 全学共通科目
• From Apr. 2014, To Mar. 2015

  Advanced Calculus I - Vector Calculus

  Spring, 全学共通科目
• From Apr. 2015, To Mar. 2016

  Advanced Geometry I

  Fall, 理学部
• From Apr. 2015, To Mar. 2016

  Topics in Geometry D

  Fall, 理学研究科
• From Apr. 2015, To Mar. 2016

  Seminar on Differential Geometry A

  Spring, 理学研究科
• From Apr. 2015, To Mar. 2016

  Seminar on Differential Geometry B

  Fall, 理学研究科
• From Apr. 2015, To Mar. 2016

  Seminar on Differential Geometry C

  Spring, 理学研究科
• From Apr. 2015, To Mar. 2016

  Seminar on Differential Geometry D

  Fall, 理学研究科
• From Apr. 2015, To Mar. 2016

  Advanced Calculus I - Vector Calculus

  Spring, 全学共通科目
• From Apr. 2015, To Mar. 2016

  Mathematics seminary

  Year-long, 理学部
• From Apr. 2015, To Mar. 2016

  Linear Algebra with Exercises A

  Spring, 全学共通科目
• From Apr. 2015, To Mar. 2016

  Linear Algebra with Exercises B

  Fall, 全学共通科目
• From Apr. 2016, To Mar. 2017

  Seminar on Differential Geometry A

  Spring, 理学研究科
• From Apr. 2016, To Mar. 2017

  Seminar on Differential Geometry B

  Fall, 理学研究科
• From Apr. 2016, To Mar. 2017

  Seminar on Differential Geometry C

  Spring, 理学研究科
• From Apr. 2016, To Mar. 2017

  Seminar on Differential Geometry D

  Fall, 理学研究科
• From Apr. 2016, To Mar. 2017

  Advanced Calculus I - Vector Calculus

  Spring, 全学共通科目
• From Apr. 2016, To Mar. 2017

  Linear Algebra with Exercises A

  Spring, 全学共通科目
• From Apr. 2017, To Mar. 2018

  Seminar on Differential Geometry A

  Spring, 理学研究科
• From Apr. 2017, To Mar. 2018

  Seminar on Differential Geometry B

  Fall, 理学研究科
• From Apr. 2017, To Mar. 2018

  Seminar on Differential Geometry C

  Spring, 理学研究科
• From Apr. 2017, To Mar. 2018

  Seminar on Differential Geometry D

  Fall, 理学研究科
• From Apr. 2017, To Mar. 2018

  Mathematics seminary

  Year-long, 理学部
• From Apr. 2017, To Mar. 2018

  Linear Algebra with Exercises A

  Spring, 全学共通科目
• From Apr. 2017, To Mar. 2018

  Linear Algebra with Exercises B

  Fall, 全学共通科目
• From Apr. 2018, To Mar. 2019

  Introduction to Geometry

  Fall, 理学部
• From Apr. 2018, To Mar. 2019

  Exercises in Basic Geometry

  Fall, 理学部
• From Apr. 2018, To Mar. 2019

  Exercises in Geometry II

  Fall, 理学部
• From Apr. 2018, To Mar. 2019

  Seminar on Differential Geometry a

  Spring, 理学研究科
• From Apr. 2018, To Mar. 2019

  Seminar on Differential Geometry b

  Fall, 理学研究科
• From Apr. 2018, To Mar. 2019

  Seminar on Differential Geometry c

  Spring, 理学研究科
• From Apr. 2018, To Mar. 2019

  Seminar on Differential Geometry d

  Fall, 理学研究科
• From Apr. 2018, To Mar. 2019

  Linear Algebra with Exercises B

  Fall, 全学共通科目
• From Apr. 2019, To Mar. 2020

  Introduction to Geometry

  Fall, 理学部
• From Apr. 2019, To Mar. 2020

  Exercises in Basic Geometry

  Fall, 理学部
• From Apr. 2019, To Mar. 2020

  Seminar on Differential Geometry a

  Spring, 理学研究科
• From Apr. 2019, To Mar. 2020

  Seminar on Differential Geometry b

  Fall, 理学研究科
• From Apr. 2019, To Mar. 2020

  Seminar on Differential Geometry c

  Spring, 理学研究科
• From Apr. 2019, To Mar. 2020

  Seminar on Differential Geometry d

  Fall, 理学研究科
• From Apr. 2019, To Mar. 2020

  Mathematics seminary

  Year-long, 理学部
• From Apr. 2019, To Mar. 2020

  Linear Algebra with Exercises B

  Fall, 全学共通科目
• From Apr. 2020, To Mar. 2021

  Advanced Geometry II

  Spring, 理学部
• From Apr. 2020, To Mar. 2021

  Topics in Geometry B

  Spring, 理学研究科
• From Apr. 2020, To Mar. 2021

  Seminar on Differential Geometry a

  Spring, 理学研究科
• From Apr. 2020, To Mar. 2021

  Seminar on Differential Geometry b

  Fall, 理学研究科
• From Apr. 2020, To Mar. 2021

  Seminar on Differential Geometry c

  Spring, 理学研究科
• From Apr. 2020, To Mar. 2021

  Seminar on Differential Geometry d

  Fall, 理学研究科
• From Apr. 2020, To Mar. 2021

  Set Theory & Topology

  Spring, 理学部
• From Apr. 2020, To Mar. 2021

  Exercises in Set Theory & Topology

  Spring, 理学部
• From Apr. 2021, To Mar. 2022

  Seminar on Differential Geometry a

  Spring, 理学研究科
• From Apr. 2021, To Mar. 2022

  Seminar on Differential Geometry b

  Fall, 理学研究科
• From Apr. 2021, To Mar. 2022

  Seminar on Differential Geometry c

  Spring, 理学研究科
• From Apr. 2021, To Mar. 2022

  Seminar on Differential Geometry d

  Fall, 理学研究科
• From Apr. 2021, To Mar. 2022

  Seminar on Geometry a

  Spring, 理学研究科
• From Apr. 2021, To Mar. 2022

  Seminar on Geometry b

  Fall, 理学研究科
• From Apr. 2021, To Mar. 2022

  Forefront of Mathematics and Mathematical Science I

  Spring, 理学部

Participation in PhD Defense

• Cohomology of the spaces of commuting elements in Lie groups of rank two

  TAKEDA MASAHIRO, Graduate School of Science, Sub-chief Examiner

  26 Sep. 2022

Administration

School management (title, position)

• From 30 Sep. 2014, To 30 Apr. 2016

  国際高等教育院 企画評価専門委員会 図学特別部会 委員
• From 01 Apr. 2019

  大学評価委員会点検・評価実行委員会 委員
• From 01 Apr. 2020

  スーパーグローバルコース企画運営幹事会 委員
• From 01 Apr. 2020, To 31 Mar. 2021

  スーパーグローバルコース実施運営協議会 協議員

Faculty management (title, position)

• From 01 Apr. 2024, To 31 Mar. 2025

  理学研究科将来計画委員会委員
• From 01 Apr. 2020, To 31 Mar. 2021

  理学研究科数学・数理解析専攻副専攻長
• From 01 Nov. 2014, To 30 Apr. 2015

  国際高等教育院企画評価専門委員会図学特別部会委員
• From 01 Apr. 2014, To 31 Mar. 2015

  理学研究科将来計画委員会委員
• From 01 Apr. 2014, To 31 Mar. 2015

  理学研究科国際・社会交流委員会委員
• From 01 Apr. 2014, To 31 Mar. 2015

  理学研究科国際・社会交流委員会　玉城記念小委員会委員
• From 01 Apr. 2014, To 31 Mar. 2015

  理学研究科国際・社会交流委員会　国際交流奨学生推薦小委員会委員
• From 01 Apr. 2015, To 31 Mar. 2016

  理学研究科国際・社会交流委員会委員
• From 01 Apr. 2015, To 31 Mar. 2016

  理学研究科国際・社会交流委員会　玉城記念小委員会委員
• From 01 Apr. 2015, To 31 Mar. 2016

  理学研究科図書・出版委員会委員
• From 01 Apr. 2016, To 31 Mar. 2017

  理学研究科将来計画委員会・プロジェクトスペース委員会委員
• From 01 Apr. 2016, To 31 Mar. 2017

  理学研究科図書・出版委員会委員長
• From 01 Apr. 2017, To 31 Mar. 2018

  理学研究科図書・出版委員会委員長
• From 01 Apr. 2018, To 31 Mar. 2019

  理学研究科国際・社会交流・広報委員会委員
• From 01 Apr. 2018, To 31 Mar. 2019

  理学研究科国際・社会交流・広報委員会　国際交流・奨学生推薦小委員会委員
• From 01 Apr. 2019, To 31 Mar. 2020

  理学研究科自己点検・評価委員会委員
• From 01 Apr. 2020, To 31 Mar. 2021

  理学研究科将来計画委員会委員
• From 01 Apr. 2020, To 31 Mar. 2021

  理学研究科自己点検・評価委員会委員
• From 01 Apr. 2020, To 31 Mar. 2021

  理学研究科専攻長会議構成員
• From 01 Apr. 2021, To 31 Mar. 2022

  理学研究科数学・数理解析専攻長
• From 01 Apr. 2021, To 31 Mar. 2022

  理学研究科将来計画委員会委員
• From 01 Apr. 2021, To 31 Mar. 2022

  理学研究科将来計画委員会・常任委員会委員
• From 01 Apr. 2021, To 31 Mar. 2022

  理学研究科自己点検・評価委員会委員
• From 01 Apr. 2021, To 31 Mar. 2022

  理学研究科専攻長会議構成員
• From 01 Apr. 2021, To 31 Mar. 2022

  理学研究科兼業委員会委員
• From 01 Apr. 2021, To 31 Mar. 2022

  危機管理委員会委員

Academic, Social Contribution

Academic Contribution

• 専門誌 Jour Math Soc Japan 編集長

  Other

  From 01 Jul. 2024, To Present

  
• 岩波数学叢書 編集顧問

  session chair, etc., Supervision (editorial)

  From 01 Jun. 2023, To Present

  
• 専門誌 Kyoto Jour Math 編集長

  Other

  From 01 Apr. 2019, To Present

  

Social Contribution

• 数学のジャーナリスト・イン・レジデンス

  Planner

  From Oct. 2010, To Present