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Koshitani Shigeo  越谷 重夫

… Alternative Names

KOSHITANI Shigeo  越谷 重夫

越谷 重夫

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Researcher Number 30125926
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-0703-0363
External Links
Affiliation (based on the past Project Information) *help 2022 – 2023: 千葉大学, 大学院理学研究院, 名誉教授
2019 – 2021: 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 … More
2007 – 2011: Chiba University, Graduate School of Science, Professor
1994 – 2008: 千葉大学, 理学部, 教授
1989 – 1993: 千葉大学, 理学部, 助教授
1987: 千葉大学, 理学部, 助教授 Less
Review Section/Research Field
Principal Investigator
Algebra / Algebra / 代数学・幾何学 / 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 / ブロック / 表現論 / 森田同値 / ブルエ予想 / 導来同値 / 可換不足群 / モジュラー表現論 / irreducible character / Morita equivalence … More / Broue's conjecture / abelian defect group / block / modular representation theory / representation theory / finite group / 既約指標 / 不足群 / アルペリン予想 / 局所大域予想 / スコット加群 / アウスランダー・ライテン箙 / 既約加群 / 有限次元代数 / 一般四元数群 / 準二面体群 / 二面体群 / special unitary group / special linear group / p-permutation module / trivial source module / Schur multiplier / semi-dihedral 2-group / Brauer indecomposability / Puig's conjecture / wreath product group / Scott module / endo-trivial module / 自己準同型自明加群 / ブラウアー直既約性 / ブラウアー予想 / pブロック / カルタン不変数 / 箙 / 自明自己準同型加群 / アルペリン・マッカイ予想 / アルペリン重み予想 / 可挽不足群 / 共役類 / デイド予想 / マッカイ予想 / 超曲面 / ゴレンシュタイン・リ-ス環 / コーエン・マッコーレー環 / 鋭指標(シャープ・キャラクター) / 筒(クイバー) / 多元環 / ゲーム理論 / リース多元環 / 正則関数 / 量子群 / ファジイ / 環拡大 / 射影加群 / 主ブロック / Pー根基 / タンジェント層 / 代数的多様体 / 作用素 / リーマン多様体 / Pーブロック / 群多元環 / 差分方程式 / 楕円積分 / リ-マン・ゼ-タ関数 / 葉層リ-マン多様体 / P-ブロック / 群環 … More
Except Principal Investigator
有限群 / 単純群 / 頂点作用素代数 / Broue conjecture / 格子 / 散在型単純群 / グラフ / デザイン / 符号 / モジュラー表現 / モンスター単純群 / 保型形式 / 表現 / Vertex Operator Algebra / Design / Lattice / Code / Sporadic Simple Group / Simple Group / Finite Group / コホモロジー / Alperin conjecture / q-Schur algebra / Specht module / フィルトレーション / 次数付き環 / 局所環 / character ring / irreducible character / 有限群の指標環 / 有限群の既約指標 / 有限群の表現 / シュバレー群 / 新谷ディセント / ブルーエ予想 / パーフェクトアイソメトリ / デイド予想 / finite group / 群多元環 / 群 / 群環 / クイバー / 環 / アルチン環 / ヘッケ環 / 虚数乗法 / 周期積分 / filtration / graded ring / local ring / Graph / Defect group / Modular representation / Perfect isometry / Cohomology group / Shintani descent / Dade conjecture / Block algebra / Broue's conjecture / 導来同値 / パーフェクト アイソメトリ / 森田同値 / 不足群 / コホモロジー群 / ブロック多元環 / tiled order / Aritinian ring / Hecke algebra / Cohen-Macaulay module / linkage / Gorenstein ring / アルティン多元環 / フロベニウス多元環 / ベーア環 / アルテイン多元環 / 整環 / フロべニウス多元環 / ゴレンシュテイン次元 / ネータ多元環 / ガロア被覆 / タイル整環 / ブルエ予想 / Hecke環 / コーエンマコーレー加群 / リンケージ / ゴレンシュテイン環 / induced characters / modular representations of finite groups / induced modules / representations of finite groups / group algebra / 誘導指標 / 誘導加群 / 有限群のmodular表現 / Monster Simple Group / W代数 / モンスター純群 / cohomology / groups of Lie type / symmetric group / Iwahori-Hecke algebra / Mathieu群 / Young diagram / 代数群 / Lie型群 / AR component / AR-quiver / 直既約加群 / 中山予想 / Lie型有限群 / 対称群 / Iwahori-Hecke環 / Homology / Graded Ring / Local Ring / 次数付主環 / ホモロジー代数 / ホモロジー / irreducible Brauer character / modular representations of groups / representations of groups / field / ring / group / Brauer既約指標 / 有限群のBrauer既約指標 / 有限群のモジュラー表現 / 体 / modular representation / shintani descent / perfect isometry / Dade's conjecture / フロベニウス写像 / 有限ユニタリ群 / representation diagram / Sharp character / 表現グラフ / シャープ指標 / Monster simple group / Vertex Operator Algebras / Graphs / Lattices / Codes / Designs / Simple Groups / Finite Groups / 自己同型群 / 格子(lattice) / 符号(code) / 01Theorem of Phragmen-Lindelof type / p-block of a finite Group / Sylow p-subgroup / Chern class / Bogomolov-Gieseker type inequality / Einstein-Kahler metric / Dirichlet Problem / least harmonic majorant / システム理論 / 差分方程式 / アイゼンシュタイン級数 / ツェ-タ-関数 / 境界値問題 / 劣調和関数 / ポテンシヤル論 / II型因子環 / ラプラスーベルトラミ-演算子 / アインスタインーケェ-ラ-計量 / デイリクレ問題 / 最小調優関数 / フラグマンーリンデレ-フ型の定理 / II_1型因子環 / ブラウァ-対応 / モジュラ-表現 / ラプラスーベルトラミー演算子 / アインスタインーケェラ-計量 / ディリクレ問題 / 最小調和優関数 / フラグマン-リンデレ-フ型の定理 / モデュライ / 多変数保型函数 / 周期写像 / Auslander-Reitenクイバー / 傾理論 / アウスランダー・レイテンクイバー / 加群圏 / 自己入射多元環 / 有限次元多元環 / 圏 / 加群 / 多元環 / Morita duality / Quasi-Frobenius ring / Moritaduality / Harada ring / skew-matrix ring / Nakayama ring / Quasi Frobenius ringa / 環論・表現論 / serial group algebra / Faith conjecture / Harada rings / skew matrix rings / Nakayama rings / Quasi-Frobenius rings / 環論 / Faith予想 / Nakayama環 / Quasi-Frobenius 環 / 超幾何微分方程式 / 超幾何関数 / コード / 代数多様体 / 複素多様体 / 極小集合 / 位相安定性 / 拡大性 / 葉層エントロピー / 擬葉追跡性 / 横断ハウスドルフ次元 / 葉層構造 / sharp pair / sharp character / 超幾何函数 / 超越数 / 座数乗法 / 保型函数 / アーベル多様体 / ア-べル多様体 / モジュラー函数 / 自己相似性 / ファジー / 多様体 / 全測地的部分多様体 / 等質空間 / 主曲率 / 実超曲面 / 複素射影空間 / Complex Multiplication / Abelian Variety / Elliptic Curve / Period / Modular form / Modular function / 余生成加群 / 生成加群 / Hー分離拡大 / 環拡大 Less
  • Research Projects

    (36 results)
  • Research Products

    (171 results)
  • Co-Researchers

    (70 People)
  •  Local-global conjecture on representation theory of finite groupsPrincipal Investigator

    • Principal Investigator
      Koshitani Shigeo
    • Project Period (FY)
      2019 – 2023
    • 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

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All Journal Article Presentation Book

  • [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] Recognition of Brauer indecomposability for a Scott module2024

    • Author(s)
      Shigeo Koshitani, Ipek Tuvay
    • Journal Title

      Journal of Algebra and Its Application

      Volume: 24 Issue: 01 Pages: 2550015-2550015

    • DOI

      10.1142/s021949882550015x

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] Splendid Morita equivalences for principal blocks with semidihedral defect groups2022

    • Author(s)
      Shigeo Koshitani, Caroline Lasueur and Benjamin Sambale
    • Journal Title

      Proceedings of the American Mathematicsl Society

      Volume: 150 Issue: 01 Pages: 41-53

    • DOI

      10.1090/proc/15631

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] Trivial source endo-trivial modules for finite groups with semi-dihedral Sylow 2-subgroups2022

    • Author(s)
      Shigeo Koshitani and Caroline Lassueur
    • Journal Title

      Beitraege Algebra und Geometrie

      Volume: 63 Issue: 2 Pages: 233-246

    • DOI

      10.1007/s13366-021-00581-4

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] Trivial source characters in blocks with cyclic defect groups2021

    • Author(s)
      Shigeo Koshitani and Caroline Lassueur
    • Journal Title

      Journal of Algebra

      Volume: 574 Pages: 375-408

    • DOI

      10.1016/j.jalgebra.2021.01.020

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] The Brauer indecomposability of Scott modules with wreathed 2-group vertices2021

    • Author(s)
      Shigeo Koshitani and
    • Journal Title

      Rocky Mountain Journal of Mathematics

      Volume: 51 Issue: 4

    • DOI

      10.1216/rmj.2021.51.1259

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] Brauer indecomposability of Scott modules with semidihedral vertex2021

    • Author(s)
      Shigeo Koshitani and Ipek Tuvay
    • Journal Title

      Proceedings of the Edinburgh Mathematical Society

      Volume: 64 Issue: 2 Pages: 174-182

    • DOI

      10.1017/s0013091521000067

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] The principal p-blocks with four irreducible characters2021

    • Author(s)
      Shigeo Koshitani and Taro Sakurai
    • Journal Title

      Bulletin of the London Mathematical Society

      Volume: 53 Issue: 4 Pages: 1124-1138

    • DOI

      10.1112/blms.12488

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] Splendid Morita equivalences for principal blocks with generalised quaternion defect groups2020

    • Author(s)
      Shigeo Koshitani and Caroline Lassueur
    • Journal Title

      Journal of Algebra

      Volume: 558 Pages: 523-533

    • DOI

      10.1016/j.jalgebra.2019.03.038

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Journal Article] Splendid Morita equivalences for principal 2-blocks with dihedral defect groups2020

    • Author(s)
      Shigeo Koshitani and Caroline Lassueur
    • Journal Title

      Mathematische Zeitschrift

      Volume: 294 Issue: 1-2 Pages: 639-666

    • DOI

      10.1007/s00209-019-02301-0

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [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 Issue: 1 Pages: 1-10

    • 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 Issue: 6 Pages: 1387-1397

    • 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 groups2018

    • 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 Issue: 4 Pages: 635-660

    • DOI

      10.1515/jgth-2015-0044

    • Peer Reviewed / 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 Issue: 03 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 Issue: 5 Pages: 777-813

    • 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 Issue: 2 Pages: 107-116

    • 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 Mathematica

      Volume: 未定 Issue: 1-2 Pages: 265-282

    • DOI

      10.1007/s00229-015-0739-5

    • Peer Reviewed
    • 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 Issue: 3 Pages: 895-903

    • 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 Pages: 423-437

    • 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 Issue: 671

    • 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] リース積シロー2-部分群を持つ有限群の主ブロック2024

    • Author(s)
      Shigeo Koshitani
    • Organizer
      有限群のコホモロジー論とその周辺 京都大学数理解析研究所
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Presentation] Splendid Morita equivalences for principal 2-blocks with wreath defect groups2023

    • Author(s)
      Shigeo Koshitani
    • Organizer
      Representations of Finite Groups, Overwolfach Math. Institute, Germany
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Presentation] Modular representation theory of finite groups -- local versus global, I and II2022

    • Author(s)
      Shigeo Koshitani
    • Organizer
      Tokyo-Nagoya Algebra Seminar
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Presentation] Block algebras of finite groups and finite-dimensional symmetric algebras that have two simples2022

    • Author(s)
      Shigeo Koshitani
    • Organizer
      Bilkent Algebra Seminar, トルコ (web講演)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Presentation] 準 2 面体群をシロー群に持つ有限群の主ブロックの splendid 森田同値2022

    • Author(s)
      Shigeo Koshitani
    • Organizer
      有限群のコホモロジー論とその周辺(京都大学数理解析研究所共同研究)
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [Presentation] What has happened, is happening and is going to happen in representation theory of finite groups?2022

    • Author(s)
      Shigeo Koshitani
    • Organizer
      Mimar Sinan University Mathematics Seminar(トルコ・イスタンブール)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03416
  • [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
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