Koshitani Shigeo 越谷重夫

… Alternative Names

Researcher Number	30125926
Other IDs	https://orcid.org/0000-0002-0703-0363
External Links
Affiliation (Current)	2021: 千葉大学, 先進科学センター, 特任教授
Affiliation (based on the past Project Information) *help	2019: 千葉大学, 先進科学センター, 特任教授 2017: 千葉大学, 先進科学センター, 特任教授 2016: 千葉大学, 大学院理学研究科, 教授 2011 – 2015: 千葉大学, 理学(系)研究科(研究院), 教授 2007 – 2011: Chiba University, Graduate School of Science, Professor … More
Review Section/Research Field	Principal Investigator Algebra / 代数学・幾何学 / Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Algebra / 解析学 / Algebra / 代数学・幾何学 / Geometry
Keywords	Principal Investigator 有限群 / 表現論 / ブロック / ブルエ予想 / 森田同値 / 導来同値 / 可換不足群 / アルペリン予想 / モジュラー表現論 / 既約指標 … More Except Principal Investigator 有限群 / 頂点作用素代数 / 単純群 / 符号 / デザイン / グラフ / 散在型単純群 / 格子 / Broue conjecture / 表現 / 保型形式 / モンスター単純群 / モジュラー表現 / 周期積分 / 虚数乗法 / ヘッケ環 / アルチン環 / 環 / クイバー / 群環 / 群 / 群多元環 / finite group / デイド予想 / パーフェクトアイソメトリ / ブルーエ予想 / 新谷ディセント / シュバレー群 / 有限群の表現 / 有限群の既約指標 / 有限群の指標環 / irreducible character / character ring / 局所環 / 次数付き環 / フィルトレーション / Specht module / q-Schur algebra / Alperin conjecture / コホモロジー / Finite Group / Simple Group / Sporadic Simple Group / Code / Lattice / Design / Vertex Operator Algebra / 環拡大 / Hー分離拡大 / 生成加群 / 余生成加群 / Modular function / Modular form / Period / Elliptic Curve / Abelian Variety / Complex Multiplication / 複素射影空間 / 実超曲面 / 主曲率 / 等質空間 / 全測地的部分多様体 / 多様体 / ファジー / 自己相似性 / モジュラー函数 / ア-べル多様体 / アーベル多様体 / 保型函数 / 座数乗法 / 超越数 / 超幾何函数 / sharp character / sharp pair / 葉層構造 / 横断ハウスドルフ次元 / 擬葉追跡性 / 葉層エントロピー / 拡大性 / 位相安定性 / 極小集合 / 複素多様体 / 代数多様体 / コード / 超幾何関数 / 超幾何微分方程式 / Quasi-Frobenius 環 / Nakayama環 / Faith予想 / 環論 / Quasi-Frobenius rings / Nakayama rings / skew matrix rings / Harada rings / Faith conjecture / serial group algebra / 環論・表現論 / Quasi Frobenius ringa / Nakayama ring / skew-matrix ring / Harada ring / Moritaduality / Quasi-Frobenius ring / Morita duality / 多元環 / 加群 / 圏 / 有限次元多元環 / 自己入射多元環 / 加群圏 / アウスランダー・レイテンクイバー / 傾理論 / Auslander-Reitenクイバー / 周期写像 / 多変数保型函数 / モデュライ / フラグマン-リンデレ-フ型の定理 / 最小調和優関数 / ディリクレ問題 / アインスタインーケェラ-計量 / ラプラスーベルトラミー演算子 / モジュラ-表現 / ブラウァ-対応 / II_1型因子環 / フラグマンーリンデレ-フ型の定理 / 最小調優関数 / デイリクレ問題 / アインスタインーケェ-ラ-計量 / ラプラスーベルトラミ-演算子 / II型因子環 / ポテンシヤル論 / 劣調和関数 / 境界値問題 / ツェ-タ-関数 / アイゼンシュタイン級数 / 差分方程式 / システム理論 / least harmonic majorant / Dirichlet Problem / Einstein-Kahler metric / Bogomolov-Gieseker type inequality / Chern class / Sylow p-subgroup / p-block of a finite Group / 01Theorem of Phragmen-Lindelof type / 符号(code) / 格子(lattice) / 自己同型群 / Finite Groups / Simple Groups / Designs / Codes / Lattices / Graphs / Vertex Operator Algebras / Monster simple group / シャープ指標 / 表現グラフ / Sharp character / representation diagram / 有限ユニタリ群 / フロベニウス写像 / Dade's conjecture / perfect isometry / shintani descent / modular representation / 体 / 有限群のモジュラー表現 / 有限群のBrauer既約指標 / Brauer既約指標 / group / ring / field / representations of groups / modular representations of groups / irreducible Brauer character / ホモロジー / ホモロジー代数 / 次数付主環 / Local Ring / Graded Ring / Homology / Iwahori-Hecke環 / 対称群 / Lie型有限群 / 中山予想 / 直既約加群 / AR-quiver / AR component / Lie型群 / 代数群 / Young diagram / Mathieu群 / Iwahori-Hecke algebra / symmetric group / groups of Lie type / cohomology / モンスター純群 / W代数 / Monster Simple Group / 有限群のmodular表現 / 誘導加群 / 誘導指標 / group algebra / representations of finite groups / induced modules / modular representations of finite groups / induced characters / ゴレンシュテイン環 / リンケージ / コーエンマコーレー加群 / Hecke環 / ブルエ予想 / タイル整環 / ガロア被覆 / ネータ多元環 / ゴレンシュテイン次元 / フロべニウス多元環 / 整環 / アルテイン多元環 / ベーア環 / フロベニウス多元環 / アルティン多元環 / Gorenstein ring / linkage / Cohen-Macaulay module / Hecke algebra / Aritinian ring / tiled order / ブロック多元環 / コホモロジー群 / 不足群 / 森田同値 / パーフェクトアイソメトリ / 導来同値 / Broue's conjecture / Block algebra / Dade conjecture / Shintani descent / Cohomology group / Perfect isometry / Modular representation / Defect group / Graph / local ring / graded ring / filtration Less

有限群の表現論における局所大域予想Principal Investigator
- Principal Investigator
  
  越谷重夫
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Chiba University
Broue's conjecture in representation theory of finite groups and related topicsPrincipal Investigator
- Principal Investigator
  
  Shigeo Koshitani
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Solution of Broue's conjecture in representation theory of finite groupsPrincipal Investigator
- Principal Investigator
  
  KOSHITANI Shigeo
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Representation theoretical research on algebraic structures of rings and module categories
- Principal Investigator
  
  YAMAGATA Kunio
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Tokyo University of Agriculture and Technology
Solution of Broue's conjecture in representation Theory of finite groupsPrincipal Investigator
- Principal Investigator
  
  KOSHITANI Shigeo
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Study on algebraic or combinatorial structures whose automorphism groups contain finite simple groups
- Principal Investigator
  
  KITAZUME Masaaki
- Project Period (FY)
  2007 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Synthetical study of ring and representation Theory based on Quasi-Frobenius rings
- Principal Investigator
  
  OSHIRO Kiyoichi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Yamaguchi University
Solution of Broue's conjecture in representation theory of finite groupsPrincipal Investigator
- Principal Investigator
  
  KOSHITANI Shigeo
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Finite Simple Groups and Related Codes, Lattices and Vertex Operator Algebras
- Principal Investigator
  
  KITAZUME Masaaki
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Research on the associated graded ring of a general filtration
- Principal Investigator
  
  NISHIDA Koji
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Structure theory and rerpresentation theory of noncommutative rings
- Principal Investigator
  
  NISHIDA Kenji
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Shinshu University
Applications of Cohomology groups and Shintani descent to Broue's conjecture
- Principal Investigator
  
  UNO Katsuhiro
- Project Period (FY)
  2002 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka Kyoiku University
  Osaka University
For the solution of Broue's conjecture in representation theory of finite groupsPrincipal Investigator
- Principal Investigator
  
  KOSHITANI Shigeo
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Induced modules over group algebras and induced characters of finite groups
- Principal Investigator
  
  YAMAUCHI Kenichi
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Finite Simple Groups and Related Codes, Lattices and Vertex Operator Algebras
- Principal Investigator
  
  KITAZUME Masaaki
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Application of Shintani descent to the perfect isometry problem and Dade's conjecture
- Principal Investigator
  
  UNO Katsuhiro
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
On the structure of a character ring of a finite group
- Principal Investigator
  
  YAMAUCHI Kenichi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Analysis of Filtrations in Local Rings and the Associated graded rings
- Principal Investigator
  
  NISHIDA Koji
- Project Period (FY)
  1999 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  CHIBA UNIVERSITY
RESEARCH ON THE MODULAR REPRESENTATIONS OF FINITE GROUPS
- Principal Investigator
  
  TSUSHIMA Yukio
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  OSAKA CITY UNIVERSITY
Algebraic structure and representations
- Principal Investigator
  
  NOZAWA Sohei
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
Finite Groups (Sporadic Simple Groups) and Related Topics
- Principal Investigator
  
  KITAZUME Masaaki
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
多変数保型形式
- Principal Investigator
  
  志賀弘典
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Chiba University
代数曲面から導れる可積分系
- Principal Investigator
  
  志賀弘典
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Chiba University
群構造と表現
- Principal Investigator
  
  野澤宗平
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
葉層構造論の応用
- Principal Investigator
  
  稲葉尚志
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Chiba University
群と多元環とこれら代数系の応用についてPrincipal Investigator
- Principal Investigator
  
  越谷重夫
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Chiba University
K3曲面の族から導かれる可積分系
- Principal Investigator
  
  志賀弘典
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Chiba University
周期写像の代数的および超越的性質の研究
- Principal Investigator
  
  志賀弘典
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Chiba University
多様体上の種々の構造
- Principal Investigator
  
  高木亮一
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Chiba University
代数学と幾何学における表現論とその応用Principal Investigator
- Principal Investigator
  
  越谷重夫
- Project Period (FY)
  1992
- Research Institution
  Chiba University
環および余環の拡大の研究
- Principal Investigator
  
  平田和彦
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Chiba University
PicardーFuchs方程式の数論的幾何学的性質の研究
- Principal Investigator
  
  志賀弘典
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Chiba University
多元環と多様体における代数的側面と幾何的側面Principal Investigator
- Principal Investigator
  
  越谷重夫
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Chiba University
群と環の表現における代数的構造と幾何的構造Principal Investigator
- Principal Investigator
  
  越谷重夫
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Chiba University
Potential Theory and its Applications
- Principal Investigator
  
  YOSHIDA Hidenobu
- Project Period (FY)
  1989 – 1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Chiba University
代数多様体と周期微分方程式
- Principal Investigator
  
  滋賀弘典
- Project Period (FY)
  1987
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Chiba University

[Book] 有限群と代数の表現論およびその周辺2010
- Author(s)
  Koshitani, Shigeo
- Total Pages
  88
- Publisher
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] On certain Morita invariants involving commutator subspace and radical powers2019
- Author(s)
  Shigeo Koshitani and Taro Sakurai
- Journal Title
  
  Proceedings of the 51st Symposium on Ring Theory and Representation Theory
  
  Volume: 51
- Open Access
- Data Source
  KAKENHI-PROJECT-19K03416
[Journal Article] On theorems of Brauer-Nesbitt and Brandt for characterizations of small block algebras2019
- Author(s)
  Shigeo Koshitani and Taro Sakurai.
- Journal Title
  
  Archiv der Mathematik
  
  Volume: 113
- DOI
  10.1007/s00013-019-01311-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03416
[Journal Article] The Brauer indecomposability of Scott Modules for the Quadratic Group Qd(p)2019
- Author(s)
  Shigeo Koshitani and Ipek Tuvay
- Journal Title
  
  Algebras and Representation Theory
  
  Volume: 22
- DOI
  10.1007/s10468-018-9825-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03416
[Journal Article] Simple modules in the Auslander-Reiten quiver of principal blocks with abelian defect groups2019
- Author(s)
  S. Koshitani, C. Lassueur
- Journal Title
  
  Nagoya Mathematical Journal
  
  Volume: 印刷中 Pages: 1-28
- DOI
  10.1017/nmj.2017.45
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25287001, KAKENHI-PROJECT-15K04776, KAKENHI-PROJECT-19K03416
[Journal Article] Source algebra version of Donovan's conjecture for finite group algebras2018
- Author(s)
  S. Koshitani
- Journal Title
  
  Proceedings of the 50th Symposium on Ring Theory and Representation Theory
  
  Volume: 50 Pages: 105-109
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] Endo-trivial modules for finite groups with dihedral Sylow 2-subgroups2017
- Author(s)
  S.Koshitani, C.Lassueur
- Journal Title
  
  Journal of Group Theory
  
  Volume: 印刷中
- DOI
  10.1515/jgth-2015-0044
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25287001, KAKENHI-PROJECT-15K04776
[Journal Article] The projective cover of the trivial representation for finite groups of Lie type in defining characteristic2017
- Author(s)
  S. Koshitani, J. Mueller
- Journal Title
  
  Algebra Colloquium
  
  Volume: 24 Pages: 439-452
- DOI
  10.1142/s1005386717000281
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25287001, KAKENHI-PROJECT-15K04776
[Journal Article] The inductive Alperin-McKay and blockwise Alperin weight conditions for blocks with cyclic gefect groups2016
- Author(s)
  S. Koshitani, B. Spaeth
- Journal Title
  
  Journal of Group Theory
  
  Volume: 19
- DOI
  10.1515/jgth-2016-0006
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] The inductive Alperin-McKay condition for 2-blocks with cyclic defect groups2016
- Author(s)
  S. Koshitani, B. Spaeth
- Journal Title
  
  Archiv der Mathematik
  
  Volume: 106
- DOI
  10.1007/s00013-015-0852-4
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] Endo-trivial modules for finite groups with Klein-four Sylow 2-subgroups2015
- Author(s)
  Shigeo Koshitani and Caroline Lassueur
- Journal Title
  
  Manuscripta Mathematicae
  
  Volume: 未定
- DOI
  10.1007/s00229-015-0739-5
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25287001, KAKENHI-PROJECT-15K04776
[Journal Article] On the Brauer indecomposability of Scott module2015
- Author(s)
  R. Kessar, S. Koshitani, M. Linckelmann
- Journal Title
  
  Quarterly Journal of Mathematics
  
  Volume: 66
- DOI
  10.1093/qmath/hav010
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] Clifford theory of characters in induced blocks2015
- Author(s)
  S. Koshitani, B. Spaeth
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume: 143
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] Broue's abelian defect group conjecture and 3-decomposition numbers of the sporadic simple Conway group Co12015
- Author(s)
  S. Koshitani, J. Muller, F. Noeske
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 219 Pages: 142-160
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Finite groups whose first Cartan invariants over a field of characteristic two is two2015
- Author(s)
  S. Koshitani
- Journal Title
  
  Journal of Algebra
  
  Volume: 426 Pages: 259-272
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Broue's abelian defect group conjecture and 3-decomposition numbers of sporadic simple Conway group Co12015
- Author(s)
  S. Koshitani, J. Mueller, F. Noeske
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 219
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] Finite groups whose first Cartan invarians over a field of characteristic two are two2015
- Author(s)
  S. Koshitani
- Journal Title
  
  Journal of Algebra
  
  Volume: 426 Pages: 25900272-25900272
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] On symmetric quotients of symmetric algebras2015
- Author(s)
  R. Kessar, S. Koshitani, M. Linckelmann
- Journal Title
  
  Journal of Algebra
  
  Volume: 442
- DOI
  10.1016/j.jalgebra.2014.05.035
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Journal Article] On the projective cover of the trivial modules over a group algebra of a finite group2014
- Author(s)
  S. Koshitani
- Journal Title
  
  Communications in Algebra
  
  Volume: 42 Pages: 4308-4321
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] On the Loewy lengths of blocks2014
- Author(s)
  S. Koshitani, B. Kuelshammer, B. Sambale
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society
  
  Volume: 156 Pages: 555-570
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Broue's abelian defect group conjecture for the sporadic simple Janko group J4 revisited2014
- Author(s)
  S. Koshitani, J. Mueller, F. Noeske
- Journal Title
  
  Journal of Algebra
  
  Volume: 398
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Broue's abelian defect group conjecture holds for the double cover of the Higman-Sims sporadic simple group2013
- Author(s)
  S.Koshitani, J.Mueller, F.Noeske
- Journal Title
  
  Journal of Algebra
  
  Volume: 376
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Conjectures of Alperin and Broue for 2-blocks with elementary abelian defect groups of order 82012
- Author(s)
  R.Kessar, S.Koshitani, M.Linckelmann
- Journal Title
  
  Journal fuer die reine und angewandte Mathematik (Crelle's Journal)
  
  Volume: 671
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Broue's abelian defect group conjecture holds for the sporadic simple Conway group Co32011
- Author(s)
  S. Koshitani
- Journal Title
  
  Journal of Algebra
  
  Volume: 348 Pages: 354-380
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540007
[Journal Article] Conjectures of Alperin and Broue for 2-blocks with elementary abelian defect groups of order 82011
- Author(s)
  Radha Kessar, Shigeo Koshitani, Markus Linckelmann
- Journal Title
  
  J. Reine Angew. Math
  
  Volume: 162 Pages: 46-46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Broue's abelian defect group conjecture holds for the sporadic simple Conway group Co32011
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra
  
  Volume: VOL.348 Pages: 354-380
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Broue's abelian defect group conjecture holds for the sporadic simple Conway group Co32011
- Author(s)
  Shigeo Koshitani, Juergen Mueller, Felix Noeske
- Journal Title
  
  J. Algebra
  
  Volume: Vol.348 Pages: 354-380
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Conjectures of Alperin and Broue for 2-blocks with elementary abelian defect groups of order 82011
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal fuer die reine und angewandte
  
  Volume: VOL.162
- DOI
  10.1515/crelle.2011.162
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Broue's abelian defect group conjecture holds for Harada-Norton sporadic simple group HN2010
- Author(s)
  Shigeo Koshitani, Juergen Mueller
- Journal Title
  
  J. Algebra
  
  Volume: Vol.324, No.3 Pages: 394-429
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Broue's abelian defect group conjecture holds for the Harada-Norton sporadic simple group HN2010
- Author(s)
  Shigeo Koshitani, Juergen Mueller
- Journal Title
  
  Journal of Algebra 324
  
  Pages: 394-429
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Eigenvalues of Cartan matrices of principal 3-blocks of finite groups with abelian Sylow 3-subgroups2010
- Author(s)
  Koshitani, Shigeo
- Journal Title
  
  Journal of Algebra
  
  Volume: 324 Pages: 1985-1993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Trivial source modules in blocks with cyclic defect groups2010
- Author(s)
  Shigeo Koshitani, Naoko Kunugi
- Journal Title
  
  Mathematische Zeitschrift 265
  
  Pages: 161-172
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Blocks with nonabelian defect groups which have cyclic subgroups of index p2010
- Author(s)
  Miles Holloway, Shigeo Koshitani, Naoko Kunugi
- Journal Title
  
  Arch. Math
  
  Volume: Vol.94, No.2 Pages: 101-116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Eigenvales of Cartan matrices of principal 3-blocks of finite groups with abelian Sylow 3-subgroups2010
- Author(s)
  Shigeo Koshitani, Yutaka Yoshii
- Journal Title
  
  Journal of Algebra 324
  
  Pages: 1985-1993
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Eigenvalues of Cartan matrices of principal 3-blocks of finite groups with abelian Sylow 3-subgroups2010
- Author(s)
  Shigeo Kositani
- Journal Title
  
  Journal of Algebra
  
  Volume: VOL.324 Pages: 1985-1993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340003
[Journal Article] Blocks with nonabelian defect groups which have cyclic subgroups of index p2010
- Author(s)
  Miles Holloway, Shigeo Koshitani, Naoko Kunugi
- Journal Title
  
  Archiv der Mathematik 94
  
  Pages: 101-116
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Lifting of equivalences and perfect isometries between blocks of finite groups2010
- Author(s)
  Koshitani, Shigeo
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1709 Pages: 1-17
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Trivial source modules in blocks with cyclic defect groups2010
- Author(s)
  Koshitani, Shigeo
- Journal Title
  
  Mathematische Zeitschrift 265
  
  Pages: 161-172
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] On the maximum coclique of the rank 3 graph of 2^<11>:M_<24>2009
- Author(s)
  N.Horiguchi, M.Kitazume, H.Nakasora
- Journal Title
  
  Journal of Combinatorial Designs 17
  
  Pages: 323-332
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] On the maximum coclique of the rank 3 graph of 2^<11>:M_<24>2009
- Author(s)
  N. Horiguchi, M. Kitazume, H. Nakasora
- Journal Title
  
  Journal of Combinatorial Designs 17
  
  Pages: 323-332
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] A construction of the sporadic Suzuki graph from U_3(4)2009
- Author(s)
  A.E.Brouwer, N.Horiguchi, M.Kitazume, H.Nakasora
- Journal Title
  
  Journal of Combinatorial Theory(A) 116
  
  Pages: 1009-1096
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Trivial source modules in blocks with cyclic defect groups2009
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Mathematische Zeitschrif (未定)
  
  Pages: 12-12
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] A construction of the sporadic Suzuki graph from U_3(4)2009
- Author(s)
  A. E. Brouwer, N. Horiguchi, M. Kitazume, H. Nakasora
- Journal Title
  
  Journal of Combinatorial Theory (A) 116
  
  Pages: 1009-1096
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] A construction of the sporadic Suzuki graph from U_3(4)2009
- Author(s)
  A.E.Brouwer, N.Horiguchi, M.Kitazume, H.Nakasora
- Journal Title
  
  Journal of Combinatorial Theory (A) 116
  
  Pages: 1009-1096
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Blocks with defect groups which have cyclic subgroups of index p2008
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  数理解析研究所講究録 1538
  
  Pages: 20-22
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Broue's abelian defect group conjecture holds for the Janko simpIe groupJ42008
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 212
  
  Pages: 1438-1456
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] The Hall-Janko graph and the Witt system W_<10>2008
- Author(s)
  N.Horiguchi, M.Kitazume, H.Nakasora
- Journal Title
  
  European Journal of Combinatorics 29
  
  Pages: 1-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Broue's abelian defect group conjecture rolds for the Janko Simple group J42008
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Joural of Pure and Applied Algebra 212
  
  Pages: 1438-1456
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Broue's abelian defect group conjecture Rolds for the Janko simple group J42008
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Pure and Applied Algebra 212
  
  Pages: 1438-1456
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Broue's abelian defect group conjecture holds for the Janko simple group J42008
- Author(s)
  越谷重央, 他2人
- Journal Title
  
  Journal of Pure and Applied Algebra 212
  
  Pages: 1438-1456
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340011
[Journal Article] The Hall-Janko graph and the Witt system W_102008
- Author(s)
  N. Horiguchi, M. Kitazume, H. Nakasora
- Journal Title
  
  European Journal of Combinatorics 29
  
  Pages: 1-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Broue's abelian defect group conjecture holds for the Janko simple group J42008
- Author(s)
  Shigeo Koshitani, Naoko Kunugi and Katsushi Waki
- Journal Title
  
  Journal of Pure and Applied Algebra 212
  
  Pages: 1438-1456
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Broue's abelian defect group conjecture holds for the Janko simple group J42008
- Author(s)
  Shigeo Koshitani, Naoko Kunugi, Katsushi Waki
- Journal Title
  
  Journal of Pure and Applied Algebra 212
  
  Pages: 1438-1456
- Data Source
  KAKENHI-PROJECT-20540008
[Journal Article] Permutation groups and self-orthogonal codes2007
- Author(s)
  Masaaki kitazume
- Journal Title
  
  Journal of Algebra 309
  
  Pages: 610-621
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Some Self-Dual Codes Invariant under the Hall-Janko Group2007
- Author(s)
  N.Chigira, M.Kitazume, M.Harada
- Journal Title
  
  Journal of Algebra 316
  
  Pages: 578-590
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Some Self-Dual Codes Invariant under the Hall-Janko Group2007
- Author(s)
  N. Chigira, M. Harada, M. Kitazume
- Journal Title
  
  Journal of Algebra 316
  
  Pages: 578-590
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Extremal Self-Dual Codes of Length 64 through Neighbors and Covering Radii2007
- Author(s)
  N.Chigira, M.Harada, M.Kitazume
- Journal Title
  
  Designs, Codes and Cryptography 42
  
  Pages: 93-101
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] Extremal self-dual codes of length 64 through neighbors and covering radii2007
- Author(s)
  Naoki Chigira, Masaaki Harada, Masaaki Kitazume
- Journal Title
  
  Design,Code and Cryptography 42
  
  Pages: 93-101
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Finite permutation groups and self-orthogonal codes2007
- Author(s)
  N.Chigira, M.Harada, M.Kitazume
- Journal Title
  
  Journal of Algebra 309
  
  Pages: 610-621
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] Some self codes invariant under the Hall-Janko Group2007
- Author(s)
  Masaaki Kitazume
- Journal Title
  
  Journal of Algebra 316
  
  Pages: 578-590
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Broue's abelian defect group conjecture2006
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Proceedings of the 38th Symposium on ring theory and representation theory 38
  
  Pages: 25-27
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Calculations for Broue's abelian defect group conjecture2006
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  数理解析研究所講究録 1466
  
  Pages: 84-85
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] An extension of Watanabe's theorem for the Isaacs-Horimoto-Watanabe2006
- Author(s)
  Morton E.Harris, Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 296
  
  Pages: 96-109
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] An extension of Watanabe's theorem for the Isaacs-Horimoto-Watanabe corresponding blocks2006
- Author(s)
  Morton E.Harris, Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 296
  
  Pages: 96-109
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] An extension of Watanabe's theorem for the Isaacs-Horimoto-Watanabe corresponding blocks2006
- Author(s)
  Morton E. Harris and Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 296
  
  Pages: 96-109
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] An extension of Watanabe's theorem for the Isaacs-Horimoto-Watanabe corresponding blocks,2006
- Author(s)
  越谷重夫他一人
- Journal Title
  
  Journal of Algebra 296
  
  Pages: 513-524
- Data Source
  KAKENHI-PROJECT-18340011
[Journal Article] Broue' s abelian defect group conjecture2006
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Proceedings of 38^<th> Symposium on Ring Theory and Representation Theory
  
  Pages: 25-27
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540009
[Journal Article] An extension of watanabe's theorem for the Isaacs-Horimoto- watanabe corresponding blooks2006
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 296
  
  Pages: 96-109
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Blocks of central p-group extensions2005
- Author(s)
  Koshitani Shigeo, Kunugi Naoko
- Journal Title
  
  Proceedings of American Mathematical Society 133・1
  
  Pages: 21-26
- Data Source
  KAKENHI-PROJECT-14340012
[Journal Article] The indecomposability of a certain bimodule given by the Brauer construction2005
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 285
  
  Pages: 726-729
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] The indecomposability of a certain bimodule given by the Brauer construction2005
- Author(s)
  Shigeo Koshitani, Markus Linckelmann
- Journal Title
  
  Journal of Algebra 285
  
  Pages: 726-729
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Blocks of central p-group extension2005
- Author(s)
  S.Koshitani, N.Kunugi
- Journal Title
  
  Proc.A.M.S 133
  
  Pages: 21-26
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340007
[Journal Article] The indecomposality of a certain bimodule given by the Brouer construction2005
- Author(s)
  S.Koshitani, M.Linckelmann
- Journal Title
  
  J.Algebra 285
  
  Pages: 726-729
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340007
[Journal Article] On same self-dual codes and unimodular lattices in dimension 482005
- Author(s)
  Masaaki Harada, Masaaki Kitazume
- Journal Title
  
  European Journal of Combinatorics 26
  
  Pages: 543-557
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] On some self-dual codes and unimodular lattices in dimension 482005
- Author(s)
  M.Harada, M.Kitazume, A.Munemasa, B.Venkov
- Journal Title
  
  European Journal of Combinatorics 26
  
  Pages: 543-557
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] Blocks of central p-group extensions2005
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Proceedings of the American Mathematical Society 133
  
  Pages: 21-26
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Blocks of central p-group extensions2005
- Author(s)
  S.Koshitani, N.Kunugi
- Journal Title
  
  Proc.A.M.S. 133
  
  Pages: 21-26
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340007
[Journal Article] On some self-dual codes and unimodular lattices in dimension 482005
- Author(s)
  M.Harada, M.Kitazume, A.Munemasa, R.Venkov
- Journal Title
  
  European Journal of Combinatorics 26
  
  Pages: 543-557
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] The indecomposability of a certain bimodule given by the Brauer construction2005
- Author(s)
  S.Koshitani, M.Linckelmann
- Journal Title
  
  J.Algebra 285
  
  Pages: 726-729
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340007
[Journal Article] Blocks of central p-group extensions2005
- Author(s)
  S.Koshitani, N.Kunugi
- Journal Title
  
  Proceedings of the American Mathematical Society 133
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340012
[Journal Article] Broue's conjecture holds for principal 3-blocks with elementary abelian defect group of order 92005
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 248
  
  Pages: 575-604
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Blocks of central p-group extensions2005
- Author(s)
  Shigeo Koshitani, Naoko Kunugi
- Journal Title
  
  Proceeding of the American Mathematical Society 133
  
  Pages: 21-26
- Data Source
  KAKENHI-PROJECT-17540010
[Journal Article] Broue's abelian defect group conjecture for the Held group and the sporadic Suzuki group2004
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 279
  
  Pages: 638-666
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Broue's abelian defect conjecture for the Held group and sporadic Suzuki group2004
- Author(s)
  Koshitani Shigeo, Kunugi Naoko, Waki Katsushi
- Journal Title
  
  Journal of Algebra 279・2
  
  Pages: 638-666
- Data Source
  KAKENHI-PROJECT-14340012
[Journal Article] On a 5-design related to an extremal doubly even self-dualcode of length 722004
- Author(s)
  M.Harada, M.Kitazume, A.Munemasa
- Journal Title
  
  Journal of Combinatorial Theory (A) 107
  
  Pages: 143-146
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] On a 5-design related to an extremal doubly even self-dual code of length 722004
- Author(s)
  Masaaki Kitazume
- Journal Title
  
  Journal of Combinatorial Theory (A) 107
  
  Pages: 143-146
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Broue abelian defect group conjecture for the Held group and the sporadic Suzuki group2004
- Author(s)
  S.Koshitani, N.Kunugi, K.Waki
- Journal Title
  
  Journal of Algebra 279
  
  Pages: 638-666
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340012
[Journal Article] Classification of Type II Z_6-Codes of Length 82004
- Author(s)
  M.Kitazume, T.Ooi
- Journal Title
  
  AKCE International Journal of Graphs and Combinatorics 1
  
  Pages: 35-40
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] On a 5-design related to an extremal doubly even self-dual code of length 722004
- Author(s)
  M.Harada, M.Kitazume, A.Munemasa
- Journal Title
  
  Journal of Combinatorial Theory (A) 107
  
  Pages: 143-146
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] Broue's abelian defect group conjecture for the Held group and the specific Suzuki group2004
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 279
  
  Pages: 638-666
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] 3-state Potts model, Moonshine vertex operator algebra and 3A-elements of the Monster group2003
- Author(s)
  N.Kitazume, C.H.Lam, H.Yamada
- Journal Title
  
  International Mathematical Research Notices 23
  
  Pages: 1269-1303
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] Conjectures of Donovan and puig for principal 3-blocks with abelian defect gropus2003
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Communications in Algebra 31
  
  Pages: 2229-2243
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Conjectures of Donovan and Puig for principal 3-blocks with abelian defect groups2003
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Communications in Algebra 31
  
  Pages: 2229-2243
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] 3-state Potts model, Moonshine vertex operator algebra and 3A-elements of the Monster group2003
- Author(s)
  M.Kitazume, C.H.Lam, H.Yamada
- Journal Title
  
  International Mathematical Research Notices 23
  
  Pages: 1269-1303
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340002
[Journal Article] Broue's conjecture holds for principal 3'blocks with elementary abelian defect group of order 92002
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Algebra 248
  
  Pages: 575-604
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Broue's conjecture dor non-principal 3-blocks of finite gropus2002
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Pure and Applied Algebra 173
  
  Pages: 177-211
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] The radical subgroups of the Fischer simple group2002
- Author(s)
  Masaaki Kitazume
- Journal Title
  
  Journal of Algebra 255
  
  Pages: 22-58
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] Broue's conjecture for non-principal 3-blocks of finite groups2002
- Author(s)
  Shigeo Koshitani
- Journal Title
  
  Journal of Pure and Applied Algebra 173
  
  Pages: 177-211
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] The radical subgroups of the Fischet simple group2002
- Author(s)
  Masaaki Kitazume
- Journal Title
  
  Journal of Algebra 255
  
  Pages: 22-58
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540009
[Journal Article] A construction of the sporadic Suzuki graph from U3(4)
- Author(s)
  N. Horiguchi, M. Kitazume, H. Nakasora
- Journal Title
  
  Journal of Combinatorial Theory (A) (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] On the maximum coclique of the rank 3 graph of 211. M24
- Author(s)
  N. Horiguchi, M. Kitazume, H. Nakasora
- Journal Title
  
  Journal of Combinatorial Designs (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Some Self-Dual Codes Invariant under the Hall-Janko Group
- Author(s)
  N. Chigira, M. Kitazume, M. Harada
- Journal Title
  
  Journal of Algebra 316
  
  Pages: 578-590
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340002
[Journal Article] Broue's abelian defect group conjecture holds for the Harada-Norton sporadic simple group HN
- Author(s)
  Koshitani, Shigeo
- Journal Title
  
  Journal of Algebra (未定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] A principal block with a few characters2019
- Author(s)
  Shigeo Koshitani
- Organizer
  Darstellungstheorietage (Representation Theory Days) 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03416
[Presentation] Block equivalences and block invariants2019
- Author(s)
  Shigeo Koshitani
- Organizer
  Oberseminar on Block Theory （ドイツ・Kaiserslautern Technical University)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03416
[Presentation] Puig equivalence conjecture for 2-blocks2017
- Author(s)
  S. Koshitani
- Organizer
  New Perspectives in Representation Theory of Finite Groups
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] 有限群の表現論における局所大域予想-最近5年間の大きな進展2017
- Author(s)
  越谷　重夫
- Organizer
  第62回代数学シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Simple modulesin the stable Auslaner-Reiten quivers for finite group algebras2017
- Author(s)
  S. Koshitani
- Organizer
  RIMS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
  2017-02-16
- Invited
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Yet Brauer indecomposability of the Scott module2017
- Author(s)
  S. Koshitani
- Organizer
  Darstellungstheorietage 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Yet small 1-PIMS2016
- Author(s)
  S. Koshitani
- Organizer
  Endo-p-permutation and trivial source modules in the representation theory of finite groups
- Place of Presentation
  スイス連邦工科大学ローザンヌ校　（スイスローザンヌ市）
- Year and Date
  2016-09-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Endo-trivial modules for finite groups with dihedral Sylow 2-subgroups2016
- Author(s)
  S. Koshitani
- Organizer
  RIMS研究集会　有限群とその表現、頂点作用素代数、代数的組合せ論の研究
- Place of Presentation
  京都大学数理解析研究所(京都府京都市)
- Year and Date
  2016-01-08
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] The Z*-theorem from source algebras point of view2016
- Author(s)
  S. Koshitani
- Organizer
  Morita equivalence problems for blocks of finite groups
- Place of Presentation
  スイス連邦工科大学ローザンヌ校（スイス　ローザンヌ市）
- Year and Date
  2016-09-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Endo-trivial modules in dihedral Sylow 2-subgorups case2015
- Author(s)
  S. Koshitani
- Organizer
  Blocks of Finite Groups Beyond (B.Kuelshammer's 60th Birthday Conference)
- Place of Presentation
  Jena 大学(ドイツ・イェーナ市)
- Year and Date
  2015-07-24
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Endo-trivial modules revisited2015
- Author(s)
  S. Koshitani
- Organizer
  Representations of Finite Groups
- Place of Presentation
  Oberwolfach数学研究所(ドイツ・オーバーヴォルファッハ村)
- Year and Date
  2015-04-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04776
[Presentation] Scott modules and its Brauer construction2014
- Author(s)
  S. Koshitani
- Organizer
  Algebric Groups, Finite Groups, Geometry, Representations
- Place of Presentation
  フランス・中央国際研究所・ルミニー
- Year and Date
  2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] Broue's abelian defect group conjecture2014
- Author(s)
  S. Koshitani
- Organizer
  International Conference on Groups and Algebras
- Place of Presentation
  中国・北京大学
- Year and Date
  2014-06-30
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] Small 1-PIMs2014
- Author(s)
  S. Koshitani
- Organizer
  ロンドン・代数セミナー
- Place of Presentation
  ロンドン・インペリアル・カレッジ
- Year and Date
  2014-11-27
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] Scott modules for finite group algebras2014
- Author(s)
  S. Koshitani
- Organizer
  ドイツ・ハレ大学数学セミナー
- Place of Presentation
  ドイツ・ハレ大学数学研究所
- Year and Date
  2014-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] The Alperin-Scott module2014
- Author(s)
  S. Koshitani
- Organizer
  ドイツ・イェーナ大学代数学セミナー
- Place of Presentation
  ドイツ・イェーナ大学数学研究所
- Year and Date
  2014-12-18
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] 可換不足群を持つ有限群のブロックについてのある注意2012
- Author(s)
  越谷重夫
- Organizer
  有限群とその表現,頂点作用素代数,組合せ論の研究
- Place of Presentation
  京都大学数理解析研究所(招待講演)
- Year and Date
  2012-03-06
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] On Alperin-Scott modules and related topics in representation theory of finite groups2012
- Author(s)
  越谷重夫
- Organizer
  第55回ブリストル-レスター-オックスフォード-ロンドン市研究集会
- Place of Presentation
  オックスフォード大学数学研究所(英国)(招待講演)
- Year and Date
  2012-02-17
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] On Alperin-Scott modules and related topics in representation theory of finite groups2012
- Author(s)
  越谷重夫
- Organizer
  第55回Bristol-Leicester-Oxford-London研究集会
- Place of Presentation
  Oxford大学数学研究所(イギリス)
- Year and Date
  2012-02-17
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] 有限群の表現論におけるある予想に対する部分結果2012
- Author(s)
  越谷重夫
- Organizer
  有限群とその表現、頂点作用素代数、組合せ論の研究(招待講演)
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] On Alperin-Scott modules and related topics in representation theory of finite groups2012
- Author(s)
  越谷重夫
- Organizer
  第55回ブリストル・レスター・オックスフォード・ロンドン市研究集会(招待講演)
- Place of Presentation
  イギリス・オックスフォード大学
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] 有限群の表現における最近のある進展代数的符号理論2011
- Author(s)
  越谷重夫
- Organizer
  組合せデザインとその周辺
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Blocks of finite groups with small defect2011
- Author(s)
  越谷重夫
- Organizer
  有限群の表現論における大域局所予想
- Place of Presentation
  カナダ・バンフ国際研究所
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Blocks of finite groups with small defect2011
- Author(s)
  越谷重夫
- Organizer
  有限群の表現論における大域局所予想
- Place of Presentation
  バンフ国際研究所(カナダ)
- Year and Date
  2011-03-18
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] 有限群の表現における最近のある進展2011
- Author(s)
  越谷重夫
- Organizer
  代数的符号理論、組み合わせデザインとその周辺
- Place of Presentation
  京都大学数理解析研究所(京都)
- Year and Date
  2011-03-09
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] 可換不足群を持つ有限群のブロックについてのある注意2011
- Author(s)
  越谷重夫
- Organizer
  有限群のコホモロジー論とその周辺(招待講演)
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] 可換不足群を持つ有限群のブロックについてのある注意2011
- Author(s)
  越谷重夫
- Organizer
  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(招待講演)
- Year and Date
  2011-08-30
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] Relative projective cover works for Broue's abelian defect group conjecture2010
- Author(s)
  越谷重夫
- Organizer
  Group Representation Theory and Related Topics (Jacques Thevenaz's 60th birthday)
- Place of Presentation
  スイス・連邦工科大学ローザンヌEPFL
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Blocks with small defect groups2010
- Author(s)
  越谷重夫
- Organizer
  第51回ブリストル・レスター・オックスフォード・ロンドン研究集会
- Place of Presentation
  シティー大学(ロンドン)
- Year and Date
  2010-12-10
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] Relative projective cover works for Broues abelian defect group conjecture2010
- Author(s)
  越谷重夫
- Organizer
  Group representation theory and related topics
- Place of Presentation
  連邦工科大学(スイス)
- Year and Date
  2010-06-22
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] Blocks with small defect groups2010
- Author(s)
  越谷重夫
- Organizer
  第51回ブリストル-レスター-オックスフォード-ロンドン市研究集会
- Place of Presentation
  ロンドン・シティー大学数理科学科(LondonCity)イギリス
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] 群を表現するとは--モジュー表現論現在過去未来2010
- Author(s)
  越谷重夫
- Organizer
  日本数学会春季総合分科会
- Place of Presentation
  慶慮大学理工学部(企画特別講演)
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] 群を表現するとはモジュラー表現論現在過去未来2010
- Author(s)
  Koshitani, Shigeo
- Organizer
  日本数学会春総合分科会(企画特別講演)
- Place of Presentation
  慶応大学
- Year and Date
  2010-03-27
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Relative projective cover works for Broue's abelain defect group , conjecture2010
- Author(s)
  Koshitani, Shigeo
- Organizer
  群の表現論および周辺の話題
- Place of Presentation
  スイス・連邦工科大学ローザンヌ
- Year and Date
  2010-06-22
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Relative projective cover works for Broue's abelian defect group conjecture2010
- Author(s)
  越谷重夫
- Organizer
  Group representation theory and related topics
- Place of Presentation
  連邦工科大学ローザンヌEPFL(スイス)
- Year and Date
  2010-06-22
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] Blocks with metacyclic defect groups2009
- Author(s)
  越谷重夫
- Organizer
  Representations of Finite Groups(有限群の表現)
- Place of Presentation
  オーバーヴォルファッハ数学研究所,Oberwolfach,ドイツ
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Remarks on source algebras of blocks with cyclic defect groups2009
- Author(s)
  越谷重夫
- Organizer
  有限群のコホモロジー論とその周辺数理研の研究集会
- Place of Presentation
  信州大学
- Year and Date
  2009-09-01
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Morita equivalences between blocks of finite groups2009
- Author(s)
  越谷重夫
- Organizer
  代数的組合せ論および関連する群と代数
- Place of Presentation
  信州大学(京大数理研の研究集会)
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Broue's abelian defect group conjecture and its analogue, Conference on Algebraic Topology2009
- Author(s)
  越谷重夫
- Organizer
  Group Theory and Representation Theory
- Place of Presentation
  Sabhal Mor Ostaigスカイ島(イギリス)
- Year and Date
  2009-06-11
- Data Source
  KAKENHI-PROJECT-21340003
[Presentation] New results on Broue's and Rouquier's conjecture2009
- Author(s)
  越谷重夫
- Organizer
  有限群・頂点作用素代数と組合せ論
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Broue's abelian defect group conjecture and its analogue Conference on Algebraic Topology2009
- Author(s)
  越谷重夫
- Organizer
  Group Theory and Representation Theory
- Place of Presentation
  SMO(Sabhal Mor Ostaig)スカイ島lsleofSkye,Scotlandイギリス
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Lifting of equivalences and perfect isometries between blocks of finite groups2008
- Author(s)
  越谷重夫
- Organizer
  有限群のと代数の表現論およびその周辺
- Place of Presentation
  京都大学数理解析究所
- Year and Date
  2008-11-20
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Examples of Broue's abelian defect group conjectur2008
- Author(s)
  Shigeo Koshitani
- Organizer
  Duality and lnvolution in Representation Theory
- Place of Presentation
  アイルランド国立大学Maynooth
- Year and Date
  2008-08-20
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Examples of Broue's abelian defect group conjecture2008
- Author(s)
  越谷重夫
- Organizer
  Duality and Involutions in Representation Theory
- Place of Presentation
  アイルランド・国立大学Maynooth
- Year and Date
  2008-08-20
- Data Source
  KAKENHI-PROJECT-20540008
[Presentation] Representation theory from a certain point of vieco2007
- Author(s)
  越谷重夫
- Organizer
  第5回日中韓環論国際シンポジウム
- Place of Presentation
  国立オリンピック記念青少年総合ヒンタ-
- Year and Date
  2007-09-14
- Data Source
  KAKENHI-PROJECT-17540010
[Presentation] Thvial source modules in blocks with cyclic defect groups2006
- Author(s)
  Shigeo Kashitani
- Organizer
  ドイツ・オーバーヴォルファッハ研究所有限群の表現
- Place of Presentation
  ドイツ・オーバーヴォルファッハ数学研究所
- Year and Date
  2006-03-29
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540010
[Presentation] Trivial source modules in blocks with cyclic defect groups2006
- Author(s)
  Shigeo Koshiani
- Organizer
  Meeting "Representations of Finite Groups"
- Place of Presentation
  Oberwolfach Mathematical Institute
- Year and Date
  2006-03-29
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540010
[Presentation] Clifford theory of characters in Brauer induction
- Author(s)
  S. Koshitani
- Organizer
  有限群とその表現, 頂点作用素代数,代数的組合せ論の研究
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] Lifting nice equivalence between blocks of finite groups
- Author(s)
  S. Koshitani
- Organizer
  Nikolaus Conference 2012
- Place of Presentation
  ドイツ・アーヘン工科大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] The inductive Alperin-McKay and blockwise Alperin weight conditions for cyclic defect blocks
- Author(s)
  S. Koshitani
- Organizer
  Global-local conjecture in representation theory of finite groups
- Place of Presentation
  カナダ･バンフ国際研究所
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] A finite group whose first Cartan invariant is two in characteristic two
- Author(s)
  S. Koshitani
- Organizer
  Brauer's problems--50 years on
- Place of Presentation
  イギリス･マンチェスター大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] Finite groups whose first Cartan invariants are two for p=2
- Author(s)
  S. Koshitani
- Organizer
  Darstellungs-Theorie-Tage
- Place of Presentation
  ドイツ･アーヘン工科大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540007
[Presentation] 私にとっての有限群の表現論
- Author(s)
  S. Koshitani
- Organizer
  有限群の表現論およびその周辺
- Place of Presentation
  浜名湖カリアック
- Invited
- Data Source
  KAKENHI-PROJECT-23540007

1. SUGIYAMA KenーIchi (90206441)

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2. NOZAWA Sohei (20092083)

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36. KOSHIKAWA Hiroaki (60000866)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
37. 中神潤一 (30092076)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
38. 稲葉尚志 (40125901)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
39. YOSHIMURA Hiroshi (00182824)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. IIYORI Nobuo (00241779)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. HANAKI Akihide (50262647)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. KOIKE Kazutoshi (20225337)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
43. MARUBAYASI Hidetoshi (00034702)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
44. SAWABE Masato (60346624)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
45. ABE Thoshiyuki (30380215)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
46. IYAMA Osamu (70347532)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
47. MORI Izuru (50436903)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
48. YOSHINO Yuji (00135302)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
49. WADA Tomoyuki (40003008)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
50. NAGATOMO Kiyokazu (90172543)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
51. KURANO Kazuhiko (90205188)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
52. TSUSHIMA Yukio (80047240)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
53. KANEDA Masaharu (60204575)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
54. IWANAGA Yasuo (80015825)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
55. NINOMIYA Yasushi (40092887)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
56. HIRANO Yasuyuki (90144732)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
57. HIRAKI Akira (90294181)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
58. HIDA Akihiko (50272274)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
59. IAI Shin-Ichiro (50333125)

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# of Collaborated Products: 0 results
60. 安田正実 (00041244)

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61. 筒井亨 (00197732)

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62. 石村隆一 (10127970)

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63. 宮本育子 (00009606)

# of Collaborated Projects: 1 results

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64. 田栗正章 (10009607)

# of Collaborated Projects: 1 results

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65. 鈴木寛 (10135767)

# of Collaborated Projects: 1 results

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66. 渡部隆夫 (30201198)

# of Collaborated Projects: 1 results

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67. 藤田尚昌 (60143161)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
68. 河合浩明 (10222431)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
69. 宇佐美陽子 (90151993)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
70. 和久井道久 (60252574)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Koshitani Shigeo 越谷 重夫

越谷 重夫 コシタニ シゲオ

KOSHITANI Shigeo 越谷 重夫

Research Projects

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Co-Researchers

有限群の表現論における局所大域予想Principal Investigator

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Broue's conjecture in representation theory of finite groups and related topicsPrincipal Investigator

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Solution of Broue's conjecture in representation theory of finite groupsPrincipal Investigator

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Solution of Broue's conjecture in representation Theory of finite groupsPrincipal Investigator

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Solution of Broue's conjecture in representation theory of finite groupsPrincipal Investigator

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For the solution of Broue's conjecture in representation theory of finite groupsPrincipal Investigator

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Koshitani Shigeo 越谷重夫

越谷重夫コシタニシゲオ

KOSHITANI Shigeo 越谷重夫