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Generalizations of perfect isometries between the sets of characters of finite groups

Research Project

Project/Area Number 22540021
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionOsaka University (2013)
Osaka Kyoiku University (2010-2012)

Principal Investigator

UNO KATSUHIRO  大阪大学, 全学教育推進機構, 教授 (70176717)

Co-Investigator(Renkei-kenkyūsha) WAKI Katsushi  山形大学, 理学部, 教授 (30250591)
KUNUGI Naoko  東京理科大学, 理学部, 准教授 (50362306)
HIDA Akihiko  埼玉大学, 教育学部, 教授 (50272274)
NARASAKI Ryo  大阪府立大学, 工業高等専門学校, 准教授 (20567929)
ARIKI Susumu  大阪大学, 大学院情報科学研究科, 教授 (40212641)
MIYACHI Hyoue  大阪市立大学, 理学部, 准教授 (90362227)
OKUYAMA Tetsuro  北海道教育大学, 教育学部, 教授 (60128733)
Project Period (FY) 2010-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords有限群 / 指標 / フージョン・システム / ブロック / パーフェクト・アイソメトリ / シロー部分群 / ブルーエ予想 / 有限単純群 / フュージョン・システム / シロー群 / パーフェクト・アイソメトリー
Outline of Final Research Achievements

We classify finite simple groups having small Sylow subgroups and determine the structure of groups appearing as Sylow subgroups of those finite simple groups. Moreover, in the case where the prime is small and a Sylow group is not abelian, we determine fusion systems over such Sylow groups.
For finite simple groups appearing in the above classification with the same Sylow subgroups and the same fusion systems over them, we construct perfect isometries between the set of irreducible characters belonging to the principal blocks of them. These isometries are those defined by Broue, namely, the ordinary perfect isometries, and not generalizations of them.

Report

(5 results)
  • 2014 Final Research Report ( PDF )
  • 2013 Annual Research Report
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (13 results)

All 2015 2014 2013 2012 2011 2010

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (10 results)

  • [Journal Article] Cohomology of the extraspecial p-group and representations of the double Burnside algebra2014

    • Author(s)
      飛田明彦
    • Journal Title

      数理解析研究所講究録

      Volume: 1872 Pages: 132-139

    • Related Report
      2013 Annual Research Report
  • [Journal Article] Fusion systems and blocks with non-abelian defect groups2014

    • Author(s)
      楢崎亮
    • Journal Title

      数理解析研究所講究録

      Volume: 1872 Pages: 108-112

    • Related Report
      2013 Annual Research Report
  • [Journal Article] 有限群のモジュラー表現論における予想について2013

    • Author(s)
      宇野勝博、功刀直子
    • Journal Title

      数学

      Volume: 65 Pages: 1-23

    • NAID

      10031177303

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Presentation] Subgroups of J4 for amalgamation2015

    • Author(s)
      脇克志
    • Organizer
      日本数学会
    • Place of Presentation
      明治大学
    • Year and Date
      2015-03-23
    • Related Report
      2013 Annual Research Report
  • [Presentation] アウスランダー・ライテン・クイバーとカルタン不変量2015

    • Author(s)
      宇野勝博
    • Organizer
      釧路表現論研究集会
    • Place of Presentation
      北海道教育大学釧路校
    • Year and Date
      2015-02-22
    • Related Report
      2013 Annual Research Report
  • [Presentation] J4の1333次の表現の構成2014

    • Author(s)
      脇克志
    • Organizer
      有限群論草津セミナー
    • Place of Presentation
      草津セミナーハウス
    • Year and Date
      2014-08-02
    • Related Report
      2013 Annual Research Report
  • [Presentation] Extraspecial p-群の mod-p コホモロジーと両側 Burnside 環の作用について2013

    • Author(s)
      飛田明彦
    • Organizer
      日本数学会
    • Place of Presentation
      愛媛大学
    • Year and Date
      2013-09-25
    • Related Report
      2013 Annual Research Report
  • [Presentation] 対称群の被覆群の表現論2013

    • Author(s)
      宇野勝博
    • Organizer
      釧路表現論研究集会
    • Place of Presentation
      北海道教育大学釧路校
    • Year and Date
      2013-08-22
    • Related Report
      2013 Annual Research Report
  • [Presentation] 非可換不足群をもつブロックについて2012

    • Author(s)
      宇野勝博
    • Organizer
      表現論セミナー
    • Place of Presentation
      東京医科歯科大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] J_4の表現の構成について2011

    • Author(s)
      脇克志
    • Organizer
      代数学と計算
    • Place of Presentation
      首都大学東京
    • Year and Date
      2011-11-08
    • Related Report
      2011 Annual Research Report
  • [Presentation] 非可換不足群を持つブロックのIsotype2011

    • Author(s)
      楢崎亮
    • 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
    • Year and Date
      2011-09-01
    • Related Report
      2011 Annual Research Report
  • [Presentation] Fusion systemとスコット加群のBrauer直既約性2011

    • Author(s)
      功刀直子
    • 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
    • Year and Date
      2011-08-29
    • Related Report
      2011 Annual Research Report
  • [Presentation] Isometries and blocks with T.I.defect groups2010

    • Author(s)
      楢崎亮
    • Organizer
      XIV International Conference on Representations of Algebras and Workshop
    • Place of Presentation
      National Memorial Youth Center, Tokyo
    • Year and Date
      2010-08-15
    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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