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2011 Fiscal Year Final Research Report

Representation theoretical research on algebraic structures of rings and module categories

Research Project

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Project/Area Number 21340003
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

YAMAGATA Kunio  東京農工大学, 大学院・工学研究院, 教授 (60015849)

Co-Investigator(Kenkyū-buntansha) IYAMA Osamu  名古屋大学, 大学院・多元数理科学研究科, 教授 (70347532)
KOSHITANI Shigeo  千葉大学, 大学院・理学研究科, 教授 (30125926)
Co-Investigator(Renkei-kenkyūsha) ASASHIBA Hideto  静岡大学, 理学部, 教授 (70175165)
OHSHIRO Kiyoichi  山口大学, 大学院・理学研究科, 名誉教授 (90034727)
SATO Masahisa  山梨大学, 大学院・医学工学総合研究部, 教授 (30143952)
NISHIDA Kenji  信州大学, 大学院・共生科学技術研究院, 教授 (70125392)
MORI Izuru  静岡大学, 理学部, 准教授 (50436903)
YOSHINO Yuji  岡山大学, 大学院・自然科学研究科, 教授 (00135302)
WADA Tomoyuki  東京農工大学, 大学院・工学研究院, 教授 (40003008)
Project Period (FY) 2009 – 2011
Keywords環 / 多元環 / 加群 / 表現 / 圏 / クイバー
Research Abstract

We studied structures of finite dimensional algebras and categories of modules over the algebras, so that we have achieved many results including solutions of open problems. Those results were announced at domestic or international conferences and symposiums and were published in refereed journals in English. By organizing an international conference on representations of algebras in Tokyo, we made an enormous contribution to the development of the representation theory. The proceedings of the conference and the first volume of a book based on our research were published from the European Mathematical Society.

  • Research Products

    (33 results)

All 2012 2011 2010 2009

All Journal Article (15 results) (of which Peer Reviewed: 14 results) Presentation (15 results) Book (3 results)

  • [Journal Article] On selfinjective Artin algebras having generalized standard quasitubes2011

    • Author(s)
      Maciej Karpicz, Andrzej Skowro. ski, Kunio Yamagata
    • Journal Title

      J. Pure Appl. Algebra

      Volume: Vol.215No.11 Pages: 2738-2760

    • Peer Reviewed
  • [Journal Article] Selfinjective quivers with potential and 2-representation-finite algebras2011

    • Author(s)
      Herschend Martin, Osamu Iyama
    • Journal Title

      Compositio Math

      Volume: Vol.147, No.6 Pages: 1885-1920

    • Peer Reviewed
  • [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

    • DOI

      DOI:10.1515/CRELLE

    • Peer Reviewed
  • [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
  • [Journal Article] A generalization of Gabriel's Galois covering functors and derived equivalences2011

    • Author(s)
      Hideto Asashiba
    • Journal Title

      J. Algebras

      Volume: Vol.334 Pages: 109-149

    • Peer Reviewed
  • [Journal Article] The structure of AS-Gorenstein algebras2011

    • Author(s)
      Izuru Mori, Hiroyuki Minamoto
    • Journal Title

      Adv. In Math

      Volume: Vol.226 Pages: 4061-4095

    • Peer Reviewed
  • [Journal Article] Right and left modules over the Frobenius skew polynomial ring in the F-finite case2011

    • Author(s)
      Rodney Sharp, Yuji Yoshino
    • Journal Title

      Math. Proc. Cambridge Philos

      Volume: Vol.150No.3 Pages: 419-438

    • Peer Reviewed
  • [Journal Article] Stable degenerations of Cohen-Macaulay modules2011

    • Author(s)
      Yuji Yoshino
    • Journal Title

      J. Algebra

      Volume: Vol.332 Pages: 500-521

    • Peer Reviewed
  • [Journal Article] The classification of special Cohen-Macaulay modules2010

    • Author(s)
      Osamu Iyama, Michael Wemyss
    • Journal Title

      Math. Z

      Volume: Vol.265, No.1 Pages: 41-83

    • Peer Reviewed
  • [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
  • [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
  • [Journal Article] Eigenvalues of Cartan matrices of blocks in finite groups2010

    • Author(s)
      Tetsuro Okuyama, Tomoyuki Wada
    • Journal Title

      Contem-porary Math, Amer. Math. Soc

      Volume: Vol.542 Pages: 127-138

    • Peer Reviewed
  • [Journal Article] On Ext-indices of ring extensions2009

    • Author(s)
      Saeed Nasseh, Yuji Yoshino
    • Journal Title

      J. Pure Appl. Algebra

      Volume: Vol.213No.7 Pages: 1216-1223

    • Peer Reviewed
  • [Journal Article] Asymmetry of Ext-groups2009

    • Author(s)
      Izuru Mori
    • Journal Title

      J. Algebra

      Volume: Vol.322, No.6 Pages: 2235-2250

    • Peer Reviewed
  • [Journal Article] カルタン行列とその周辺の話題について2009

    • Author(s)
      Masahisa Sato
    • Journal Title

      第54回代数学シンポジウム報告集

      Volume: Vol.54 Pages: 1-29

  • [Presentation] Pseudo-tilting theory2012

    • Author(s)
      伊山修
    • Organizer
      Representation theory of Chevalley groups and related topics
    • Place of Presentation
      名古屋大学
    • Year and Date
      2012-03-15
  • [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
  • [Presentation] Introduction of repre-sentation theory of Cohen-Macaulay modules and their degenerations I, II2011

    • Author(s)
      吉野雄二
    • Organizer
      第44回環論および表現論シンポジウム
    • Place of Presentation
      岡山大学
    • Year and Date
      20110925-26
  • [Presentation] Tilting and cluster tilting for stable categories of Cohen-Macaulay modules2011

    • Author(s)
      伊山修
    • Organizer
      Non-ccommutative Algebraic Geometry
    • Place of Presentation
      復旦大学(中国)
    • Year and Date
      2011-09-16
  • [Presentation] On the Faith conjecture2011

    • Author(s)
      大城紀代一
    • Organizer
      第6回日中韓環論国際会議
    • Place of Presentation
      Kyung Hee University(韓国)
    • Year and Date
      2011-07-01
  • [Presentation] McKay Type Correspondence for AS-regular Algebras2011

    • Author(s)
      毛利出
    • Organizer
      第6回日中韓環論国際会議
    • Place of Presentation
      Kyung Hee University(韓国)
    • Year and Date
      2011-06-29
  • [Presentation] Generalized characters and Cartan eigenvalues in finite groups2010

    • Author(s)
      和田倶幸
    • Organizer
      ICRA XIV
    • Place of Presentation
      国立オリンピック記念青少年センター(東京)
    • Year and Date
      2010-08-15
  • [Presentation] The Grothendieck construction and derived equivalences2010

    • Author(s)
      浅芝秀人
    • Organizer
      ICRA XIV
    • Place of Presentation
      国立オリンピック記念青少年センター(東京)
    • Year and Date
      2010-08-14
  • [Presentation] Degeneration of Cohen-Macaulay modules in stable category2010

    • Author(s)
      吉野雄二
    • Organizer
      ICRA XIV
    • Place of Presentation
      国立オリンピック記念青少年センター(東京)
    • Year and Date
      2010-08-13
  • [Presentation] Classification problems in non-commutative algebraic geometry and representation theory2010

    • Author(s)
      毛利出
    • Organizer
      ICRA XIV
    • Place of Presentation
      国立オリンピック記念青少年センター(東京)
    • Year and Date
      2010-08-12
  • [Presentation] Stable categories of Cohen-Macaulay modules and cluster categories2010

    • Author(s)
      伊山修
    • Organizer
      ICRA XIV
    • Place of Presentation
      国立オリンピック記念青少年センター(東京)
    • Year and Date
      2010-08-11
  • [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
  • [Presentation] 整環の表現論高次元Auslander-Reiten理論2010

    • Author(s)
      伊山修
    • Organizer
      日本数学会年会
    • Place of Presentation
      慶應大学理工学部(横浜)
    • Year and Date
      2010-03-25
  • [Presentation] Eigenvalues of Cartan matrices of finite groups2009

    • Author(s)
      和田倶幸
    • Organizer
      Isaacs Conference
    • Place of Presentation
      University of Valencia(スペイン)
    • Year and Date
      20090603-05
  • [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
  • [Book] Frobenius Algebras I(Basic representation theory)2011

    • Author(s)
      Andrzej Skowronski, Kunio Yamagata
    • Total Pages
      650
    • Publisher
      European Mathematical Society
  • [Book] Representations of Algebras and Related Topics2011

    • Author(s)
      Andrzej Skowronski, Kunio Yamagata
    • Total Pages
      710
    • Publisher
      European Mathematical Society
  • [Book] 環と加群のホモロジー的代数理論(第2版)2011

    • Author(s)
      岩永恭雄、佐藤眞久
    • Total Pages
      297
    • Publisher
      日本評論社

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Published: 2013-07-31   Modified: 2015-01-21  

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