TOSHIYUKI Akita 秋田利之

… Alternative Names

Researcher Number	30279252
Other IDs
External Links
Affiliation (Current)	2019 : 北海道大学, 理学研究院, 教授
Affiliation (based on the past Project Information) *help	2017 : 北海道大学, 理学研究院, 教授 2016 : 北海道大学, 理学研究院, 准教授 2011 – 2015 : 北海道大学, 理学(系)研究科(研究院), 准教授 2007 – 2011 : Hokkaido University, Faculty of Science, Associated Professor 2009 : 北海道大学, 大学院・理学研究科, 准教授 … More
Review Section/Research Field	Principal Investigator Geometry / Geometry Except Principal Investigator Geometry / Geometry / General mathematics (including Probability theory/Statistical mathematics)
Keywords	Principal Investigator 写像類群 / 群のコホモロジー / 特性類 / Coxeter群 / コホモロジー / トポロジー / Artin群 / G-符号数 / 離散群 / カンドル … More Except Principal Investigator 写像類群 / モジュライ空間 / リーマン面 / mapping class group / Riemann surface / ジョンソン準同型 / マグナス展開 / 森田マンフォード類 / 超楕円的写像類群 / シンプレクティック幾何学 / Magnus expansion / moduli space / ゲージ理論 / 4次元多様体 / 3次元多様体 / 構成的関数 / automorphism group of a free group / Floerホモトピー型 / Hamiltonベクトル場 / Morita-Mumford classes / ユニモダル平面曲線 / シンプレクティック群 / 森田・マンフォード類 / Bruschi-Calogero equation / 森田マシフォード類 / 射影平面 / 特異ルジャンドル結び目 / 特異チャーン類 / チャーン類 / Grothendieck-Teichmullerモジュラー群 / Monge-Ampere equation / 有限型不変量 / 非可換ピカール・レフシェッツ公式 / 非可換幾何 / コホモロジー / ゲルファント・フクス・コホモロジー / Morita-Mumford class / ブルスキ・カロジェロ方程式 / Coxter群 / ストリング・トポロジー / symplectic moduli space / コンパクトLie群 / mapping space quotient / 複素解析ベクトル場 / 写像商空間 / 擬等角変形 / 位相不変量 / ショットキー多様体 / 形式的シンプレクティック幾何 / Goursat distribution / マグナス表現 / スタシェフ結合多面体 / 展開写像 / 特異ラグランジュ多様体 / 超楕円写像類群 / Stasheff associahedron / 局所化 / 位相幾何学 / ループ空間 / 代数 / ゴールドマン・リー代数 / サーストン・ベネカン不変量 / 絶対ガロア群 / モンジュ・アンペール系 / 解空間零点定理 / 体積予想 / 幾何 / coisotropic mapping / ホモロジー3球面 / コホモロジー論 / 量子化予想 / Seiberg-witten理論 / ガウス・クロネッカー曲率 / singular Legendre knot / 共形平坦 / スタシェフのアソシアヘドロン / Classifying spaces / 葉層構造 / 実解析的微分同相群 / Compact Lie groups / マスロフ不変量 / Homotopy / singular Legendre submanifolds / アイソトロピック写像 / geometry / ユニモダル特異点 / シンプレクティック・モデュライ空間 / グルサ系 / Johnson homomorphism / 平面 / 局所化公式 / 非正規型常微分方程式 / 調和積分論 / uni-modal plane curve / Pairing / cohomology / non-commutitire geometry / 3-dimensional manifold / 射影平坦 / Floer homotopy type / 同変ホモロジー / 特異ルジャンドル多様体 / Admissible maps / 幾何学的量子化 / シューベルト計算 / Morita-Mumford類 / 微分構造 / 葉層曲面バンドル / シンプレクティック微分 / デーン・ツイスト / コイソトロピック写像 / ピカール・レフシェッツ公式 / アラケロフ・グリーン函数 / ホモロジーシリンダー / ホモトピー論 / 分類空間 / ガウス曲率 / 曲面の対称性 / 偏極 / 積分周期 / Schur ring / surface symmetry / 面積保存微分同相群 / 代数的スタック / 葉層曲面束 / Gel'fand-Kalinin-Fuks理論 / 特性類 / シュアー環 / homotopy / 森田・マニフォード類 / オービフォルド / 複素解析葉層 / グルサ分布 / ルジャンドル曲線 / Mumford-Morita-Miller類 / 森田Mumford類 / チャーン・マクファーソン自然変換 / Whitehead積 / tautological代数 / 微分同相群 / Volume conjecture / 共線変換群 / モンジュ・アンペール方程式 / トム多項式 / 楕円函数 / p-コンパクト群 / hyperelliptic mapping class group / 自由群 / 非固有アフィン曲面 / algebra / ホモトピー / p-compact groups / plane / ファットグラフ / Seiberg-Witten理論 / 積差集合 / Grothendieck-teichmuller group / 接触モデュライ空間 / 自由群の自己同型群 / 特異点論 / 有限ループ空間 / 擬正則 / 複素解析的ベクトル場 / Grothendieck-Teichmuller群 / 葉層構造の特性類 / 共形的はめ込み / 面積保存微分同相 / グラフ Less

Topological studies on cohomology of Artin groups and related topicsPrincipal InvestigatorOngoing
- Principal Investigator
  
  秋田利之
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Cohomology of mapping class groups, Coxeter groups and Artin groupsPrincipal Investigator
- Principal Investigator
  
  Akita Toshiyuki
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Constructions of cocycles of finite groups by characteristic classesPrincipal Investigator
- Principal Investigator
  
  AKITA Toshiyuki
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Coho mology of discrete groups and characteristic classes of flat bundlesPrincipal Investigator
- Principal Investigator
  
  AKITA Toshiyuki
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Geometry of Groups and Moduli Spaces (2)
- Principal Investigator
  
  MORITA Shigeyuki
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
Topological Studies around Riemann Surfaces
- Principal Investigator
  
  KAWAZUMI Nariya
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
Equivariant theory of Chern classes, Integrals based on Euler characteristics and related topics
- Principal Investigator
  
  OHMOTO Toru
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Studies on the Cohomology of Mapping Class Groups, Coxeter Groups and Artin GroupsPrincipal Investigator
- Principal Investigator
  
  AKITA Toshiyuki
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
写像類群のコホモロジーと整係数Riemann-Roch公式の位相幾何学的研究Principal Investigator
- Principal Investigator
  
  秋田利之
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Applied singularity theory to exterior differential systems
- Principal Investigator
  
  ISHIKAWA Goo
- Project Period (FY)
  2002 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  HOKKAIDO UNIVERSITY
Complex analytic approach towards topology studies on the mapping class ganups for surfaces
- Principal Investigator
  
  KAWAZUMI Nariya
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
Mapping Class Group of Surfaces and Geometry of Moduli Spaces
- Principal Investigator
  
  MORITA Shigeyuki
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
写像類群のコホモロジーと曲面束の特性類の位相幾何学的研究Principal Investigator
- Principal Investigator
  
  秋田利之
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
A topological study of the moduli space of Riemann surface
- Principal Investigator
  
  KAWAZUMI Nariya
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
反復的曲面束の位相幾何学的研究Principal Investigator
- Principal Investigator
  
  秋田利之
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Fukuoka University
Homotoy Theory of Classifying Spaces
- Principal Investigator
  
  ISHIGURO Kenshi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Fukuoka University
On the construction and classification of the finite geometry
- Principal Investigator
  
  ODA Nobuyuki, AKIYAMA Kenji
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Fukuoka University
正曲率及びワイル共形曲率と多様体の空間
- Principal Investigator
  
  陶山芳彦
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Fukuoka University

All 2018 2017 2016 2015 2014 2013 2012 2011 2009 2008 2007 2006 2002 Other

All Journal Article Presentation

[Journal Article] Second mod 2 homology of Artin groups2018
- Author(s)
  Akita Toshiyuki、Liu Ye
- Journal Title
  
  Algebraic & Geometric Topology
  
  Volume : 18 Pages : 547-568
- DOI
  10.2140/agt.2018.18.547
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05237, KAKENHI-PROJECT-16J00125
[Journal Article] Vanishing ranges for the mod p cohomology of alternating subgroups of Coxeter groups2017
- Author(s)
  Akita, Toshiyuki; Liu, Ye
- Journal Title
  
  Journal of Algebra
  
  Volume : 473 Pages : 132141-132141
- DOI
  10.1016/j.jalgebra.2016.11.005
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16J00125, KAKENHI-PROJECT-26400077
[Journal Article] A vanishing theorem for the p-local homology of Coxeter groups2016
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Bulletin of the London Mathematical Society
  
  Volume : 48 Pages : 945956-945956
- DOI
  10.1112/blms/bdw063
- Acknowledgement Compliant / Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400077
[Journal Article] Vanishing theorems for the homology of Coxeter groups and their alternating subgroups2015
- Author(s)
  秋田利之
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume : 1967 Pages : 53-58
- Data Source
  KAKENHI-PROJECT-26400077
[Journal Article] Periodicity for Mumford-Morita-Miller classes for surface symmetries2011
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Publ.RIMS Kyoto Univ.
  
  Volume : 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] Periodicity for Mumford-Morita-Miller classes of surface symmetries2011
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Publ.RIMS Kyoto Univ. 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] Periodicity for Mumford-Morita-Miller classes of surface symmetries2011
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Publ. Res. Inst. Math. Sci
  
  Volume : 47 Pages : 897-909
- DOI
  10.2977/prims/55
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008, KAKENHI-PROJECT-23654018
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  T. Akita
- Journal Title
  
  Advanced Studies in Pure Math 52
  
  Pages : 111-118
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340013
[Journal Article] Surface symmetries, homology representations, and group cohomology2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  数理解析研究所講究録
  
  Volume : 1581 Pages : 103-108
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  Toshiyuki, Akita, Nariya, Kawazumi
- Journal Title
  
  Math.Proc.Cambridge Phil.Soc. 144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19204003
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  Toshiyuki Akita and Nariya Kawazumi
- Journal Title
  
  Math.Proc.Camb.Phil.Soc 14
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204002
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  T. Akita and N. Kawazumi
- Journal Title
  
  Math. Proc. Cambridge Phil. Soc. 144
  
  Pages : 411-421
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  T. Akita
- Journal Title
  
  Math. Proc. Cambridge Phil. Soc. 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  Toshiyuki Akita, Nariya Kawazumi
- Journal Title
  
  Math.Proc.Cambridge Phil.Soc. 144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] A formula for the Euler characteristics of even dimensional triangulated manifolds2008
- Author(s)
  T. Akita
- Journal Title
  
  Proc. Amer. Math. Soc. 136
  
  Pages : 2571-2573
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  AKITA, Toshiyuki, KAWAZUMI, Nariya
- Journal Title
  
  Math. Proc. Cambridge Phil. Soc. 144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19204003
[Journal Article] A formula for the Euler characteristics of even dimensional triangulated manifolds2008
- Author(s)
  T. Akita
- Journal Title
  
  Proc. Amer. Math. Soc. 136
  
  Pages : 2571-2573
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340013
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Advanced Studies in Pure Mathematics 52
  
  Pages : 111-118
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] A formula for the Euler characteristics of even dimensional triangulated manifolds2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Proc. of American Mathematical Society 136
  
  Pages : 2571-2573
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] A formula for the Euler characteristics of even dimensional triangulated manifolds2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Proceedings of the American Mathematical Society (to appear)
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  T. Akita and N. Kawazumi
- Journal Title
  
  Math. Proc. Camb. Phil. Soc. vol.144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204002
[Journal Article] Integra Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  T. Akita and N. Kawazumi
- Journal Title
  
  Math. Proc. Cambridge Phil. Soc. 144
  
  Pages : 411-421
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  Toshiyuki Akita, Nariya Kawazumi
- Journal Title
  
  Math.Proc.Camb.Phil.Soc. 144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18204002
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Advanced Studies in Pure Math. (印刷中)
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] A formula for the Euler characteristics of even dimensional manifolds2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Proceedings of the American Mathematical Society 136
  
  Pages : 2571-2573
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008
- Author(s)
  T. Akita, and Nariya Kawazumi
- Journal Title
  
  Math. Proc. Cambridge Phil. Soc. 144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340013
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  T. Akita
- Journal Title
  
  Advanced Studies in Pure Math.(to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340013
[Journal Article] Integral Ricmann-Roch formulae for cyclic subgroups of mappina class groups2008
- Author(s)
  Toshiyuki Akita. Nariva Kawazumi
- Journal Title
  
  Mathcmatical Proceedings of the Cambridge Philosophical Society 144
  
  Pages : 411-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] Nariya Kawazumi, Integral Riemann-Roch formulae forcyclic subgroups of mapping classgroups2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society
  
  Volume : 144 Pages : 411-421
- DOI
  10.1017/s0305004107001016
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Advanced Studies in Pure Mathematics
  
  Volume : 52 Pages : 111-118
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Advance Studies in Pure Math. 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Advanced Studies in Pure Math. 52
  
  Pages : 111-118
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] A formula for the Euler characteristics of evendimensional triangulated manifolds2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume : 136 Pages : 2571-2573
- DOI
  10.1090/s0002-9939-08-09148-x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340008
[Journal Article] Surface symmetries, homology representations, and group cohomology2008
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  数理解析研究所講究録印刷中
- Data Source
  KAKENHI-PROJECT-17540056
[Journal Article] Integral Riemann-Roch formulae for cyclic subgrougs of mapping class groups2008
- Author(s)
  T. Akita
- Journal Title
  
  Math. Proc. Cambridge Phil. Soc.(to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340013
[Journal Article] A formula for the Euler characteristics of even dimensional triangulated manifolds2007
- Author(s)
  T.Akita
- Journal Title
  
  Proc. Amer. Math. Soc. (to appear)
- Data Source
  KAKENHI-PROJECT-17340013
[Journal Article] Nilpotency and triviality of mod p Marita-Mumford classes of mapping class groups of surfaces2002
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Nagoya Math.J. 165
  
  Pages : 1-22
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540065
[Journal Article] Nilpotency and triviality of mod p Morita-Mumford classes of mapping class groups of surfaces2002
- Author(s)
  Toshiyuki Akita
- Journal Title
  
  Nagoya Math.J. 165
  
  Pages : 1-22
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540065
[Journal Article] On mod p Riemann-Roch formulae for mapping class groups
- Author(s)
  T. Akita
- Journal Title
  
  Advanced Studies in Pure Math.
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540056
[Presentation] Coxeter groups, Artin groups and Coxeter quandles2017
- Author(s)
  秋田利之
- Organizer
  研究集会「ストリングトポロジーとその周辺」
- Invited
- Data Source
  KAKENHI-PROJECT-17K05237
[Presentation] On the mod p cohomology of Coxeter groups and their alternating subgroups2016
- Author(s)
  Toshiyuki Akita
- Organizer
  ホモトピー論シンポジウム
- Place of Presentation
  県立広島大学サテライトキャンパス(広島県・広島市)
- Year and Date
  2016-11-12
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Second mod 2 homology of Artin groups2016
- Author(s)
  Toshiyuki Akita
- Organizer
  東京大学火曜トポロジーセミナー
- Place of Presentation
  東京大学数理科学研究科(東京都・目黒区)
- Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Cohomology of Coxeter groups and related groups2016
- Author(s)
  Toshiyuki Akita
- Organizer
  Perspectives on arrangements and configuration spaces
- Place of Presentation
  ピサ(イタリア)
- Year and Date
  2016-09-08
- Int'l Joint Research / Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Crossed modules and Artin groups2016
- Author(s)
  Toshiyuki Akita
- Organizer
  京都大学代数トポロジーセミナー
- Place of Presentation
  京都大学理学部(京都府・京都市)
- Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Vanishing theorems for the homology of Coxeter groups and their alternating subgroups2015
- Author(s)
  秋田利之
- Organizer
  研究集会「有限群のコホモロジー論とその周辺」
- Place of Presentation
  京都大学数理解析研究所(京都府京都市)
- Year and Date
  2015-02-19
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Vanishing theorems for the homology of Coxeter groups and their alternating subgroups2015
- Author(s)
  秋田利之
- Organizer
  Workshop and Seminar on Topological Combinatorics and Related Topics
- Place of Presentation
  カセサート大学(タイ)
- Year and Date
  2015-01-07
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Homological aspects of Coxeter groups2015
- Author(s)
  秋田利之
- Organizer
  東京理科大学理工学部数学教室談話会
- Place of Presentation
  東京理科大学理工学部(千葉県・野田市)
- Year and Date
  2015-11-06
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Coxeter群のホモロジーのp-primary componentについて2014
- Author(s)
  秋田利之
- Organizer
  研究集会「変換群の位相幾何と代数構造」
- Place of Presentation
  京都大学数理解析研究所(京都府京都市)
- Year and Date
  2014-05-30
- Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Homology of Coxeter groups2014
- Author(s)
  Toshiyuki Akita
- Organizer
  微分トポロジーセミナー
- Place of Presentation
  京都大学理学部数学教室
- Year and Date
  2014-02-14
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Vanishing theorem for p-local homology of Coxeter groups2014
- Author(s)
  秋田利之
- Organizer
  九州大学トポロジー金曜セミナー
- Place of Presentation
  九州大学数理学研究院(福岡県福岡市)
- Year and Date
  2014-06-06
- Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Coxeter群のホモロジーのp-primary componentについて2014
- Author(s)
  秋田利之
- Organizer
  変換群の位相幾何と代数構造
- Place of Presentation
  京都大学数理解析研究所(京都市)
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Vanishing theorems for p-local homology of Coxeter groups and their alternating subgroups2014
- Author(s)
  秋田利之
- Organizer
  東京大学トポロジー火曜セミナー
- Place of Presentation
  東京大学数理科学研究科(東京都目黒区)
- Year and Date
  2014-10-21
- Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Vanishing theorems for p-local homology groups of Coxeter groups and their alternating subgroups2014
- Author(s)
  秋田利之
- Organizer
  The 1st Workshop of JSPS-MAE Sakura Program "Geometry and Combinatorics of Hyperplane Arrangements and Related Problems"
- Place of Presentation
  北海道大学理学研究院(北海道札幌市)
- Year and Date
  2014-09-02
- Invited
- Data Source
  KAKENHI-PROJECT-26400077
[Presentation] Homology of Coxeter groups2014
- Author(s)
  秋田利之
- Organizer
  微分トポロジーセミナー
- Place of Presentation
  京都大学理学部(京都市)
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] On the p-local homology of Coxeter groups2013
- Author(s)
  Toshiyuki Akita
- Organizer
  代数幾何セミナー
- Place of Presentation
  北海道大学数学教室
- Year and Date
  2013-07-09
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Groups of Galois coverings of Riemann surfaces and equivariant characteristic classes2013
- Author(s)
  Toshiyuki Akita
- Organizer
  Branched Coverings, Degenerations, and Related Topics 2013
- Place of Presentation
  首都大学東京南大沢キャンパス
- Year and Date
  2013-03-08
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] On the p-local homology of Coxeter groups2013
- Author(s)
  秋田利之
- Organizer
  代数幾何セミナー
- Place of Presentation
  北海道大学理学部(札幌市)
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Surface symmetries and equivariant characteristic classes2012
- Author(s)
  Toshiyuki Akita
- Organizer
  Topology of Singularities and Related Topics III
- Place of Presentation
  ダラット大学(ベトナム)(招待講演)
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] Surface symmetries and equivariant characteristic classes2012
- Author(s)
  Toshiyuki Akita
- Organizer
  Topology of Singularities and Related Topics III(招待講演)
- Place of Presentation
  ダラット大学(ベトナム)
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Surface symmetries and equivariant characteristic classes2012
- Author(s)
  Toshiyuki Akita
- Organizer
  Topology of Singularities and Related Topics III (JSPS-VAST Japan-Vietnam Bilateral Joint Projects)
- Place of Presentation
  University of Dalat, Dalat, ベトナム
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] Surface symmetries and equivariant characteristic classes2012
- Author(s)
  Toshiyuki Akita
- Organizer
  Topology of Singularities and Related Topics III(JSPS-VAST Japan-Vietnam Bilateral Joint Projects)
- Place of Presentation
  University of Dalat, Dalat, Vietnam
- Year and Date
  2012-03-29
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Groups of Galois coverings of closed oriented surfaces2012
- Author(s)
  Toshiyuki Akita
- Organizer
  研究集会「リーマン面に関連する位相幾何学」
- Place of Presentation
  東京大学大学院数理科学研究科
- Year and Date
  2012-09-01
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Surface symmetry and cohomology of finite groups2011
- Author(s)
  Toshiyuki Akita
- Organizer
  Seminários de Topologia(招待講演)
- Place of Presentation
  ICMC-USP(ブラジル)
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Surface symmetry and cohomology of finite groups2011
- Author(s)
  Toshiyuki Akita
- Organizer
  Seminarios de Topologia
- Place of Presentation
  ICMC-USP, Sao Carlos, ブラジル
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] Surface symmetry and cohomology of finite groups2011
- Author(s)
  Toshiyuki Akita
- Organizer
  Seminarios de Topologia, ICMC-USP
- Place of Presentation
  サンパウロ大学(ブラジル)(招待講演)
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] Mackey functors associated with surface symmetries2011
- Author(s)
  Toshiyuki Akita
- Organizer
  第6回代数・解析・幾何セミナー
- Place of Presentation
  鹿児島大学理学部
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] Surface symmetry and cohomology of finite groups2011
- Author(s)
  Toshiyuki Akita
- Organizer
  Seminários de Topologia
- Place of Presentation
  ICMC-USP, São Carlos, Brazil
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Surface symmetries and Mackey functors2011
- Author(s)
  Toshiyuki Akita
- Organizer
  琉球大学数学教室談話会
- Place of Presentation
  琉球大学理学部
- Year and Date
  2011-04-21
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Cohomology of finite groups and characteristic classes2009
- Author(s)
  秋田利之
- Organizer
  京都大学数学教室談話会
- Place of Presentation
  京都大学
- Year and Date
  2009-12-16
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] Surface symmetries and group cohomology2008
- Author(s)
  T. Akita
- Organizer
  福岡微分幾何研究会
- Place of Presentation
  福岡大学セミナーハウス
- Year and Date
  2008-11-23
- Data Source
  KAKENHI-PROJECT-17340013
[Presentation] Surface symmetries and group cohomology2008
- Author(s)
  秋田利之
- Organizer
  福岡微分幾何研究会
- Place of Presentation
  福岡大学セミナーハウス
- Year and Date
  2008-11-23
- Data Source
  KAKENHI-PROJECT-20340008
[Presentation] 曲面上の群作用と群のコホモロジー2007
- Author(s)
  T. Akita
- Organizer
  研究集会「有限群のコホモロジー論とその周辺」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-08-30
- Data Source
  KAKENHI-PROJECT-17340013
[Presentation] Surface symmetry, homology representations and group cohomology2007
- Author(s)
  T. Akita
- Organizer
  Algebras, Groups and Geometries in Tambara
- Place of Presentation
  東大玉原国際セミナーハウス
- Year and Date
  2007-10-17
- Data Source
  KAKENHI-PROJECT-17340013
[Presentation] 曲面上の群作用と群のコホモロジー2007
- Author(s)
  秋田利之
- Organizer
  研究集会「有限群のコホモロジー」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-08-30
- Data Source
  KAKENHI-PROJECT-17540056
[Presentation] On mod p Riemann-Roch formulae for mapping class groups2006
- Author(s)
  Toshiyuki Akita
- Organizer
  Groups of Diffeomorphisms 2006
- Place of Presentation
  東京大学
- Year and Date
  2006-09-12
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540056
[Presentation] On mod p Riemann-Roch formulae for mapping class groups2006
- Author(s)
  T. Akita
- Organizer
  Groups of Diffeomorphisms
- Place of Presentation
  The University of Tokyo
- Year and Date
  2006-09-12
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540056
[Presentation] Groups of Galois coverings of Riemann surfaces and equivariant characteristic classes
- Author(s)
  秋田利之
- Organizer
  Branched Coverings, Degenerations, and Related Topics 2013
- Place of Presentation
  首都大学東京南大沢キャンパス
- Invited
- Data Source
  KAKENHI-PROJECT-23654018
[Presentation] Groups of Galois coverings of closed oriented surfaces
- Author(s)
  秋田利之
- Organizer
  研究集会「リーマン面に関連する位相幾何学」
- Place of Presentation
  東京大学大学院数理科学研究科(東京都)
- Invited
- Data Source
  KAKENHI-PROJECT-23654018

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TOSHIYUKI Akita 秋田 利之

AKITA Toshiyuki 秋田 利之

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Topological studies on cohomology of Artin groups and related topicsPrincipal InvestigatorOngoing

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Cohomology of mapping class groups, Coxeter groups and Artin groupsPrincipal Investigator

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Constructions of cocycles of finite groups by characteristic classesPrincipal Investigator

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Coho mology of discrete groups and characteristic classes of flat bundlesPrincipal Investigator

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Studies on the Cohomology of Mapping Class Groups, Coxeter Groups and Artin GroupsPrincipal Investigator

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写像類群のコホモロジーと整係数Riemann-Roch公式の位相幾何学的研究Principal Investigator

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写像類群のコホモロジーと曲面束の特性類の位相幾何学的研究Principal Investigator

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TOSHIYUKI Akita 秋田利之

AKITA Toshiyuki 秋田利之