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2015 Fiscal Year Annual Research Report

W代数の表現論の新展開

Research Project

Project/Area Number 25287004
Research InstitutionKyoto University

Principal Investigator

荒川 知幸  京都大学, 数理解析研究所, 准教授 (40377974)

Co-Investigator(Kenkyū-buntansha) 山内 博  東京女子大学, 公私立大学の部局等, 准教授 (40452213)
山田 裕理  一橋大学, 経済学研究科(研究院), その他 (50134888)
和田 堅太郎  信州大学, 理学部, 助教 (60583862)
Project Period (FY) 2013-04-01 – 2018-03-31
Keywords群論 / 頂点作用素代数 / 表現論
Outline of Annual Research Achievements

1)Anne Moreau(Poitiers大学) との共同研究によりa)アフィンリー環の許容表現の特徴付けに関するFeigin-Frenkel予想の反例を与え、これを用いてb)Deligneの例外系列に付随する極小W代数の研究を行いC_2有限なW代数の新しい系列を得た。これはKac-脇本のW代数の有理性予想の反例を与えた川節和哉氏の研究に触発されたものである。その後の研究によりa)の結果はelliptic fibrationや素粒子論におけるClass S理論と深く関わっていることが分かり、特に申請者が導入した頂点代数の随伴多様体の概念の重要性が明らかになった。またb)の結果は(川節和哉氏の結果と合わせ)「良い」W代数がこれまで考えられてきたものよりずっと多く存在することを示唆するものであり、今後のW代数の研究において重要な意味をもつ。これらの結果は既に雑誌に掲載が決まり、また様々な(主に国外の)国際研究集会やセミナーで招待講演を行った。
2)Thomas Cretzig(Alberta大学) とAndrew Linshaw(Denver)と共同研究でBershadsky-Polyakov代数のCosetの構造に関する予想を解決した。論文は現在投稿中である。
3)Jethro Van Ekeren(Federal Fluminiense大学)と共同研究でアフィンリー環の許容表現のモジュラー不変性に関する研究を行った。論文は現在準備中である。

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

おおむね順調に進展しており、良い意味で予期していなかった知見を幾つか得た。

Strategy for Future Research Activity

順調に進展しているが、新たに物理のクラスS理論やsymplectic 幾何との新しい関係が明らかになった。
これらの関係において申請者が導入した頂点代数の随伴多様体の概念が鍵となっており、このため随伴多様体のさらなる理解を目的の中心として研究を進めていく。

  • Research Products

    (28 results)

All 2016 2015 Other

All Int'l Joint Research (5 results) Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results,  Acknowledgement Compliant: 4 results) Presentation (19 results) (of which Int'l Joint Research: 14 results,  Invited: 17 results)

  • [Int'l Joint Research] University of Southern California/University of Virginia/University of Denver(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      University of Southern California/University of Virginia/University of Denver
  • [Int'l Joint Research] University of Poitiers(France)

    • Country Name
      France
    • Counterpart Institution
      University of Poitiers
  • [Int'l Joint Research] University of Alberta(Canada)

    • Country Name
      Canada
    • Counterpart Institution
      University of Alberta
  • [Int'l Joint Research] Academia Sinica(Taiwan)

    • Country Name
      その他の国・地域
    • Counterpart Institution
      Academia Sinica
  • [Int'l Joint Research] Sao Paulo Univesity(Brazil)

    • Country Name
      Brazil
    • Counterpart Institution
      Sao Paulo Univesity
  • [Journal Article] Rationality of admissible affine vertex algebras in the category O2016

    • Author(s)
      Tomoyuki Arakawa
    • Journal Title

      Duke Math. J

      Volume: 165 Pages: 67-93

    • DOI

      10.1215/00127094-3165113

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Associated varieties of modules over Kac-Moody algebras and C2 C 2 -cofiniteness of W-algebras2015

    • Author(s)
      Tomoyuki Arakawa
    • Journal Title

      Int. Math. Res. Notices

      Volume: 2015 Pages: 11605--11666

    • DOI

      10.1093/imrn/rnu277

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Localization of affine W-algebras2015

    • Author(s)
      Tomoyuki Arakawa, Toshiro Kuwabara, Fyodor Malikov
    • Journal Title

      Comm. Math. Phys

      Volume: 335 Pages: 143-182

    • DOI

      10.1007/s00220-014-2183-x

    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Rationality of W-algebras: principal nilpotent cases2015

    • Author(s)
      Tomoyuki Arakawa
    • Journal Title

      Ann. Math.

      Volume: 182 Pages: 565-604

    • DOI

      10.4007/annals.2015.182.2.4

    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] On irreducible modules for parafermion VOAs2016

    • Author(s)
      山田 裕理
    • Organizer
      Finite Groups, VOA, nand Algebraic Combinatorics
    • Place of Presentation
      礁渓市(中華民国)
    • Year and Date
      2016-03-24
    • Int'l Joint Research / Invited
  • [Presentation] On Conway-Miyamoto correspondences2016

    • Author(s)
      Hiroshi Yamauchi
    • Organizer
      Workshop on Finite Groups, VOA, and Algebraic Combinatorics
    • Place of Presentation
      Fogging University (Taiwan)
    • Year and Date
      2016-03-23
    • Int'l Joint Research / Invited
  • [Presentation] Deligne exceptional series, Feigin-Frenkel conjecture, and W-algebras2016

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      Boston University Geometry and Physics Seminar
    • Place of Presentation
      Boston (USA)
    • Year and Date
      2016-03-16
    • Int'l Joint Research / Invited
  • [Presentation] Codes, lattices and vertex operator algebras2016

    • Author(s)
      山田 裕理
    • Organizer
      代数的組合せ論とその周辺
    • Place of Presentation
      東北大学(宮城県・仙台市)
    • Year and Date
      2016-03-09
    • Invited
  • [Presentation] 宮本の自己同型の型について2016

    • Author(s)
      山内 博 (林 正洪 (Ching Hung Lam) との連名発表)
    • Organizer
      日本数学会2016年度年会
    • Place of Presentation
      筑波大学
    • Year and Date
      2016-03-09
  • [Presentation] Associated varieties of vertex algebras2016

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      MIT Infinite Dimensional Algebra Seminar
    • Place of Presentation
      Cambridge (USA)
    • Year and Date
      2016-02-05
    • Int'l Joint Research / Invited
  • [Presentation] Modular invariance of trace functions of Kac-Wakimoto admissible representations2015

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      Lie and Jordan algebras, Their representations and Applications VI, dedicated to Efin Zel- manov’s 60th birthday
    • Place of Presentation
      Bento Conclaves (Brazil)
    • Year and Date
      2015-12-13 – 2015-12-19
    • Int'l Joint Research / Invited
  • [Presentation] Joseph ideals and lisse minimal W-algebras2015

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      Universidade Federal Fluminense Algebra Seminar
    • Place of Presentation
      Rio de Janeiro (Brazil)
    • Year and Date
      2015-12-04
    • Int'l Joint Research / Invited
  • [Presentation] Associated varieties of vertex algebras2015

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      Universidade de Sao Paulo Algebra Seminar
    • Place of Presentation
      Sao Paulo (Brazil)
    • Year and Date
      2015-11-19
    • Int'l Joint Research / Invited
  • [Presentation] Sheets and affine vertex algebras2015

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      ertex operator algebra and Related Topics
    • Place of Presentation
      Chengdu (China)
    • Year and Date
      2015-09-10
    • Int'l Joint Research / Invited
  • [Presentation] VOAs generated by 3-dimensional Griess algebras2015

    • Author(s)
      Hiroshi Yamauchi
    • Organizer
      Vertex Operator Algebras and Related Topics
    • Place of Presentation
      Chengdu (China)
    • Year and Date
      2015-09-08
    • Int'l Joint Research / Invited
  • [Presentation] On code vertex operator algebras2015

    • Author(s)
      山田 裕理
    • Organizer
      Vertex Operator Algebras and Related Topic
    • Place of Presentation
      成都市(中華人民共和国)
    • Year and Date
      2015-09-07
    • Int'l Joint Research / Invited
  • [Presentation] 符号,格子と頂点作用素代数2015

    • Author(s)
      山田 裕理
    • Organizer
      第60回代数学シンポジウム
    • Place of Presentation
      静岡大学(静岡県・静岡市)
    • Year and Date
      2015-09-03
    • Invited
  • [Presentation] New realization of cyclotomic q-Schur algebra2015

    • Author(s)
      和田 堅太郎
    • Organizer
      Diagram algebra and topology
    • Place of Presentation
      ホテルスポーツロッジ糸満(沖縄)
    • Year and Date
      2015-08-06
    • Invited
  • [Presentation] q-Schur 代数の表現論2015

    • Author(s)
      和田 堅太郎
    • Organizer
      連続講義(6回)
    • Place of Presentation
      大阪市立大学 (大阪)
    • Year and Date
      2015-08-06
    • Invited
  • [Presentation] Codes and vertex operator algebras2015

    • Author(s)
      山田 裕理
    • Organizer
      The Mathematics of Conformal Field Theory
    • Place of Presentation
      Acton (オーストラリア)
    • Year and Date
      2015-07-17 – 2015-07-17
    • Int'l Joint Research
  • [Presentation] Joseph ideals and lisse minimal W-algebras2015

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      Summer School and Workshop on Lie Theory and Representation Theory IV
    • Place of Presentation
      Shanghai (China))
    • Year and Date
      2015-07-02
    • Int'l Joint Research / Invited
  • [Presentation] Admissible representations and minimal models of W-algebras2015

    • Author(s)
      Tomoyuki Arakawa
    • Organizer
      Representation Theory XIV
    • Place of Presentation
      Dubrovnik (Croatia)
    • Year and Date
      2015-06-23 – 2015-06-25
    • Int'l Joint Research / Invited
  • [Presentation] Vertex operator algebras associated with Zk-codes2015

    • Author(s)
      山田 裕理
    • Organizer
      Lie Theory and Its Applications in Physics
    • Place of Presentation
      Varna(ブルガリア)
    • Year and Date
      2015-06-19
    • Int'l Joint Research / Invited

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Published: 2017-01-06   Modified: 2022-02-16  

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