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Studies on fusion systems and cohomology of finite groups

Research Project

Project/Area Number 20540001
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionHokkaido University of Education

Principal Investigator

OKUYAMA Tetsuro  Hokkaido University of Education, 教育学部, 教授 (60128733)

Co-Investigator(Kenkyū-buntansha) HASEGAWA Izumi  北海道教育大学, 教育学部, 教授 (50002473)
KITAYAMA Masashi  北海道教育大学, 教育学部, 教授 (80169888)
YATSUI Tomoaki  北海道教育大学, 教育学部, 准教授 (00261371)
IAI ShinーIchiro  北海道教育大学, 教育学部, 准教授 (50333125)
Co-Investigator(Renkei-kenkyūsha) SASAKI Hiroki  信州大学, 全学教育機構, 教授 (60142684)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords群の表現論 / 群のコホモロジー / ブロックの導来同値 / 有限群の表現論
Research Abstract

In the research of this project, we studied the conjecture of Broue which is one of main problems in representation theory of finite groups. Theory of fusion systems and cohomology of finite groups is our main tool for investigations. We obtained some results concerning p-permutaion modules and their Brauer construction. And we had some derived equivalent blocks which gives an evidence for the conjecture.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (16 results)

All 2011 2010 2009 2008

All Journal Article (8 results) (of which Peer Reviewed: 4 results) Presentation (8 results)

  • [Journal Article] On Pseudo-Product Fundamental Graded Lie Algebras of Involution Type2011

    • Author(s)
      T.Yatsui
    • Journal Title

      Journal of Hokkaido University of Education, Natural Sciences

      Volume: 61

    • NAID

      110008428953

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Eigenvalues of Cartan matrices of blocks in finite groups2010

    • Author(s)
      奥山哲郎、和田倶幸
    • Journal Title

      Contemporary Mathematics 524巻

      Pages: 20-23

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] A remark on associated primes in the cohomology algebra of a finite group2010

    • Author(s)
      奥山哲郎
    • Journal Title

      RIMS KOKYUROKU 1679巻

      Pages: 113-117

    • Related Report
      2010 Final Research Report
  • [Journal Article] Some properties of spin modules of the symmetric groups2010

    • Author(s)
      奥山哲郎
    • Journal Title

      RIMS KOKYUROKU 1709巻

      Pages: 38-50

    • Related Report
      2010 Final Research Report
  • [Journal Article] Eigenvalues of Cartan matrices of blocks in finite groups2010

    • Author(s)
      T.Okuyama, T.Wada
    • Journal Title

      Contemporary Mathematics

      Volume: 524 Pages: 127-138

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hypersurfaces of projective beta-changes2009

    • Author(s)
      M.Kitayama, T.Tani
    • Journal Title

      Proceeding of the 44-th Symposium on Finsler Geometry 44

      Pages: 20-23

    • Related Report
      2009 Annual Research Report
  • [Journal Article] Conformally-projectively flat statistical structures on tangent bundles over statistical manifolds2008

    • Author(s)
      Hasegawa Izumi
    • Journal Title

      Proceedings of the 10th International Conference DGA 2007

      Pages: 239-251

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Indicatrices of Randers change2008

    • Author(s)
      Kitayama Masashi
    • Journal Title

      Tensor, N. S. 69

      Pages: 121-126

    • NAID

      10021916467

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Cartan eigenvalues of blocks of finite groups2010

    • Author(s)
      奥山哲郎、和田倶幸
    • Organizer
      日本数学会2010年度秋季総合分科会
    • Place of Presentation
      名古屋大学大学院
    • Year and Date
      2010-09-22
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] Gorenstein Rees algebras over rings of depth one having finite local cohomology2009

    • Author(s)
      居相真一郎
    • Organizer
      第31回可換環論シンポジウム
    • Place of Presentation
      ホテルアウィーナ大阪
    • Year and Date
      2009-11-24
    • Related Report
      2009 Annual Research Report
  • [Presentation] 射影ベータ変換の超曲面2009

    • Author(s)
      北山雅士
    • Organizer
      第44回フィンスラー幾何学シンポジウム
    • Place of Presentation
      東海大学 札幌校
    • Year and Date
      2009-09-08
    • Related Report
      2009 Annual Research Report
  • [Presentation] 有限群のコホモロジー環の素因子について2009

    • Author(s)
      奥山哲郎
    • Organizer
      有限群とコホモロジー論とその周辺研究集会
    • Place of Presentation
      信州大学・全学教育機構
    • Year and Date
      2009-09-04
    • Related Report
      2010 Final Research Report
  • [Presentation] 有限群のコホモロジー環の素因子について2009

    • Author(s)
      奥山哲郎
    • Organizer
      有限群とコホモロジー論とその周辺 研究集会
    • Place of Presentation
      信州大学・全学教育機構
    • Year and Date
      2009-09-04
    • Related Report
      2009 Annual Research Report
  • [Presentation] Stable elements in cohomology algebras2009

    • Author(s)
      佐々木洋城
    • Organizer
      有限群とコホモロジー論のその周辺研究集会
    • Place of Presentation
      信州大学・全学教育機構
    • Year and Date
      2009-08-31
    • Related Report
      2010 Final Research Report
  • [Presentation] Some properties of spin module of the symmetric groups2008

    • Author(s)
      奥山哲郎
    • Organizer
      有限群と代数の表現論とその周辺研究集会
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2008-11-21
    • Related Report
      2010 Final Research Report
  • [Presentation] On some properties of the spin module of the symmetric groups2008

    • Author(s)
      奥山哲郎
    • Organizer
      「有限群の表現論とその周辺」研究集会
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2008-11-21
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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