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Geometry of Groups and Moduli Spaces (2)

Research Project

Project/Area Number 19204003
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionThe University of Tokyo

Principal Investigator

MORITA Shigeyuki  The University of Tokyo, 大学院・数理科学研究科, 教授 (70011674)

Co-Investigator(Kenkyū-buntansha) FURUTA Mikio  東京大学, 大学院・数理科学研究科, 教授 (50181459)
TSUBOI Takashi  東京大学, 大学院・数理科学研究科, 教授 (40114566)
KOHNO Toshitake  東京大学, 大学院・数理科学研究科, 教授 (80144111)
KAWAZUMI Nariya  東京大学, 大学院・数理科学研究科, 准教授 (30214646)
MATSUMOTO Makoto  広島大学, 大学院・理学研究科, 教授 (70231602)
MITSUMATSU Yoshihiko  中央大学, 理工学部, 教授 (70190725)
KITANO Teruaki  創価大学, 工学部, 教授 (90272658)
FUJIWARA Koji  東北大学, 大学院・情報科学研究科, 教授 (60229078)
MURAKAMI Jun  早稲田大学, 理工学術院, 教授 (90157751)
AKITA Toshiyuki  北海道大学, 大学院・理学研究科, 准教授 (30279252)
HIROSE Susumu  佐賀大学, 理工学部, 准教授 (10264144)
Co-Investigator(Renkei-kenkyūsha) MORIFUJI Takayuki  東京農工大学, 准教授 (90334466)
SUZUKI Masaaki  秋田大学, 教育文化学部, 准教授 (70431616)
KASAHARA Yasushi  高知工科大学, 准教授 (80299370)
SAKASAI Takuya  東京工業大学, 大学院・理工学研究科, 助教 (60451902)
Research Collaborator DIETER Kotschick  ドイツ・ミュンヘン大学, 教授
ROBERT Penner  米国・南カリフォルニア大学, 教授
Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
Fiscal Year 2009: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2008: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2007: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Keywords写像類群 / リーマン面 / モジュライ空間 / グラフ / シンプレクティック幾何学 / 3次元多様体 / 4次元多様体 / 自由群 / 葉層構造の特性類 / Gel'fand-Kalinin-Fuks理論 / シンプレクティック微分 / 絶対ガロア群 / 局所化 / 量子化予想 / ホモロジーシリンダー / ホモロジー3球面 / 位相不変量 / ゲージ理論 / 微分同相群 / ループ空間 / Hamiltonベクトル場 / 葉層構造 / 有限型不変量 / 実解析的微分同相群 / Morita-Mumford類
Research Abstract

The moduli space of Riemann surfaces and the moduli space of graphs, as well as their associated modular groups such as the mapping class groups of surfaces and the automorphism groups of free groups, are among the most important research subjects of diverse branches of mathematics including algebraic geometry, complex analysis, differential geometry, topology and mathematical physics. The present project investigated these moduli spaces and modular groups, mainly form the point of view of topology, and obtained many interesting results. Furthermore, we obtained new results as well as conjectures in the closely related theories of 3 and 4 dimensional manifolds and transversely symplectic foliations. We also proposed a deep problem towards new directions of our research including number theory.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (22 results)

All 2010 2009 2008 2007

All Journal Article (11 results) (of which Peer Reviewed: 11 results) Presentation (11 results)

  • [Journal Article] On a secondary invariant of the hyperelliptic mapping class group2009

    • Author(s)
      Takayuki Morifuji
    • Journal Title

      Algebraic Topology-Old and New- 85

      Pages: 83-92

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] On Thurston's inequality for apinnable foliations2009

    • Author(s)
      Hiroki Kodama, Yoshihiko Mitsumatsu, Shigeaki Miyoshi, Atsuhide Mori
    • Journal Title

      Contemporary Math. 498

      Pages: 173-193

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Symplectic automorphism groups of nilpotent quotients of fundamental groups of surfaces2008

    • Author(s)
      Shigeyuki Morita
    • Journal Title

      Adv.Stud. In Pure Math. 52

      Pages: 443-468

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] New examples of elements in the kernel of the Magnus representation of the Torelli group2008

    • Author(s)
      Masaaki Suzuki
    • Journal Title

      Adv.Stud.in Pure Math. 52

      Pages: 479-490

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008

    • Author(s)
      Toshiyuki, Akita, Nariya, Kawazumi
    • Journal Title

      Math.Proc.Cambridge Phil.Soc. 144

      Pages: 411-421

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] A partial order in the Knot Table II2008

    • Author(s)
      Teruaki, Kitano, Masaaki, Suzuki
    • Journal Title

      Acta Mathematica Sinica 24

      Pages: 1801-181

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Magnus representation and higher-order Alexander invariants for homology cobordisms of surfaces2008

    • Author(s)
      Takuya, Sakasai
    • Journal Title

      Algebraic and Geometric Topology 8

      Pages: 803-848

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Torelli groups, extended Johnson homomorphisms, and new cycles on the moduli space of curves2008

    • Author(s)
      MORITA, Shigeyuki
    • Journal Title

      Math. Proc. Cambridge Phil. Soc. 144

      Pages: 651-671

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Symplectic automorphism groups of nilpotent quotients of fun damental groups of surfaces2008

    • Author(s)
      MORITA, Shigeyuki
    • Journal Title

      Adv. Studies Pure Math. 52

      Pages: 443-468

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lie algebras of symplectic derivations and cycles on the moduli spaces2008

    • Author(s)
      MORITA, Shigeyuki
    • Journal Title

      Geometry and Topology Monographs 13

      Pages: 335-354

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups2008

    • Author(s)
      AKITA, Toshiyuki, KAWAZUMI, Nariya
    • Journal Title

      Math. Proc. Cambridge Phil. Soc. 144

      Pages: 411-421

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] The Magnus representation and homology cobordism groups of homology cylinders2010

    • Author(s)
      逆井卓也
    • Organizer
      2010日本数学会年会、トポロジー分科会
    • Place of Presentation
      慶応義塾大学
    • Year and Date
      2010-03-24
    • Related Report
      2009 Final Research Report
  • [Presentation] 局所化とトーラス束2010

    • Author(s)
      古田幹雄
    • Organizer
      2010日本数学会年会
    • Place of Presentation
      慶応義塾大学
    • Year and Date
      2010-03-24
    • Related Report
      2009 Final Research Report
  • [Presentation] A partial order on the set of prime knots2010

    • Author(s)
      北野晃朗
    • Organizer
      The 6-th Asian School of Knots and Related Topics、Chern 研究所
    • Place of Presentation
      中国
    • Year and Date
      2010-01-26
    • Related Report
      2009 Final Research Report
  • [Presentation] Turbulizations of 2-dimensional foliations of 4-manifolds and Anosov flows on 3-manifolds2009

    • Author(s)
      三松佳彦
    • Organizer
      研究集会 "Foliations and Groups of Diffeomorphisms"
    • Place of Presentation
      東京大学丹原国際セミナーハウス
    • Year and Date
      2009-10-27
    • Related Report
      2009 Final Research Report
  • [Presentation] シンプレクティック幾何学と低次元トポロジーの新しい不変量2009

    • Author(s)
      森田茂之
    • Organizer
      名古屋大学大学院多元数理科学研究科談話会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2009-05-20
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] Higher symplectic pairings and invariants in low dimensional topology2008

    • Author(s)
      森田茂之
    • Organizer
      日仏科学フォーラム
    • Place of Presentation
      東京大学大学院数理科学研究科
    • Year and Date
      2008-10-07
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] Automorphism groups of nilpotent quotients of fundamental groups of surfaces and homology cobordisms of 3-manifolds2008

    • Author(s)
      森田茂之
    • Organizer
      International workshop "Finite type invariants, fat graphs and Torelli-Johnson-Morita theory"
    • Place of Presentation
      デンマーク オーフス大学
    • Year and Date
      2008-03-26
    • Related Report
      2009 Final Research Report
  • [Presentation] Automorphism groups of nilpotent quotients of fundamental groups of surfaces and homology cobordisms of 3-manifolds2008

    • Author(s)
      MORITA, Shigeyuki
    • Organizer
      International workshop "Finite type invariants, fat graphs and Torelli-Johnson-Morita theory"
    • Place of Presentation
      Aarhus University, Denmark
    • Year and Date
      2008-03-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] 京都大学大学院理学研究科大談話会2007

    • Author(s)
      森田茂之
    • Organizer
      Construction of geometric invariants by symplectic representations
    • Place of Presentation
      京都大学
    • Year and Date
      2007-11-14
    • Related Report
      2009 Final Research Report
  • [Presentation] 曲面の写像類群を巡って、日本数学会秋季総合分科会2007

    • Author(s)
      森田茂之
    • Organizer
      幾何学・トポロジー分科会合同特別講演 (日本数学会幾何学賞受賞特別講演)
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-21
    • Related Report
      2009 Final Research Report
  • [Presentation] L^2 torsion invariants of a surface bundle over the circle2007

    • Author(s)
      北野晃朗
    • Organizer
      Braids in Paris
    • Place of Presentation
      パリ第7大学
    • Year and Date
      2007-09-18
    • Related Report
      2009 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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