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Topology of 4-manifolds and mapping class groups

Research Project

Project/Area Number 18540083
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionOsaka University

Principal Investigator

ENDO Hisaaki  Osaka University, 大学院・理学研究科, 准教授 (20323777)

Co-Investigator(Kenkyū-buntansha) KIKUCHI Kazunori  大阪大学, 大学院・理学研究科, 講師 (40252572)
Research Collaborator GURTAS Yusuf Z.  デポー大学, DePauw Univ, 助教授, Assistant Professor
YASUI Kouichi  大阪大学, 大学院・理学研究科, 博士課程/日本学術振興会特別研究員PD
MONDEN Naoyuki  大阪大学, 大学院・理学研究科, 博士課程
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,470,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2006: ¥1,000,000 (Direct Cost: ¥1,000,000)
Keywords4次元多様体 / 写像類群 / 符号数 / Lefschetzファイバー空間 / Meyerコサイクル / 微分構造 / 擬準同型 / 超楕円性 / 関係式 / quandle / 有理ブローダウン / Kirby図式
Research Abstract

4次元の幾何学的対象である4次元多様体を、曲面から曲面への写像の集合から構成される写像類群を用いて研究した。特に、無数の曲面が集まって構成されているような4次元多様体を詳しく調べ、今までに知られていない性質を持つ具体例を多数構成した。また、曲面の間の写像を変えたときに対応する4次元多様体がどのように変わるかを明らかにした。さらに、写像類群自体の性質もいくつか解明した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (17 results)

All 2009 2008 2007 2006 Other

All Journal Article (8 results) (of which Peer Reviewed: 6 results) Presentation (6 results) Remarks (3 results)

  • [Journal Article] A generalization of Chakiris' fibrations, in"Groups of Diffeomorphisms"2008

    • Author(s)
      Hisaaki Endo
    • Journal Title

      Advanced Studies in Pure Mathematics Vol.52

      Pages: 251-282

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A generalization of Chakiris' fibrations2008

    • Author(s)
      Hisaaki Endo
    • Journal Title

      Advanced Studies in Pure Mathematics 52

      Pages: 251-282

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A generalization of Chakiris' fibrations2008

    • Author(s)
      Hisaaki Endo
    • Journal Title

      Advanced Studies in Pure Mathematics (in press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Failure of separation by quasi-homomorphism in mapping class groups2007

    • Author(s)
      Hisaaki Endo and Dieter Kotschick
    • Journal Title

      Proceedings of the American Mathematical Society Vol.135

      Pages: 2747-2750

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Faiure of separation by quasi-homomorphisms in mapping class groups2007

    • Author(s)
      H. Endo and D. Kotschick
    • Journal Title

      Proceedings of the American Mathematical Society 135

      Pages: 2747-2750

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Various aspects of degenerate families of Riemann surfaces2006

    • Author(s)
      Tadashi Ashikaga and Hisaaki Endo
    • Journal Title

      Sugaku Expositions Vol.19

      Pages: 171-196

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Various aspects of degenerate families of Riemann surfaces2006

    • Author(s)
      T.Ashikaga, H.Endo
    • Journal Title

      Sugaku Expositions 19

      Pages: 171-196

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Failure of separation by quasi-homomorphisms in mapping class groups

    • Author(s)
      H.Endo, D.Kotschick
    • Journal Title

      Proceedings of the American Mathematical Society (in press)

    • Related Report
      2006 Annual Research Report
  • [Presentation] Lantem relations and rational blowdowns2009

    • Author(s)
      遠藤 入顕
    • Organizer
      Branched covers, degenerations, and related topics
    • Place of Presentation
      広島大学理学部
    • Year and Date
      2009-03-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] Lantern relations and rational blowdowns2009

    • Author(s)
      遠藤久顕
    • Organizer
      Branched Coverings, Degenerations, and Related Topics
    • Place of Presentation
      広島大学理学部
    • Related Report
      2008 Final Research Report
  • [Presentation] Lefschetzファイバー空間の微分構造とその安定化2007

    • Author(s)
      遠藤久顕
    • Organizer
      京大微分トポロジーセミナー
    • Place of Presentation
      京都大学理学部
    • Year and Date
      2007-04-22
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Lefschetzファイバー空間と4次元多様体の微分構造2007

    • Author(s)
      遠藤久顕
    • Organizer
      21世紀COEプログラム「究極と統合の新しい基礎科学」2006年度冬の学校
    • Place of Presentation
      六甲山YMCA(発表日 : 2月19日)
    • Related Report
      2008 Final Research Report
  • [Presentation] Chakirisの1/19定理への位相的なアプローチについて2006

    • Author(s)
      遠藤久顕
    • Organizer
      東工大トポロジーセミナー
    • Place of Presentation
      東京工業大学西8号館
    • Year and Date
      2006-12-06
    • Related Report
      2008 Final Research Report
  • [Presentation] A generalization of Chakiris' fibrations2006

    • Author(s)
      Hisaaki Endo
    • Organizer
      Symposium on Groups of Diffeomorphisms 2006
    • Place of Presentation
      University of Tokyo(lecture given on 14)
    • Related Report
      2008 Final Research Report
  • [Remarks] 大阪大学研究者総覧の論文一覧

    • URL

      http://www.dma.jim.osaka-u.ac.jp/kg-portal/aspI/RY0011L.asp?UNO=10195&flg=&seq=42541

    • Related Report
      2008 Final Research Report
  • [Remarks] lantern関係式と有理ブローダウンについてのY. Gurtas氏との共同研究の成果に関する資料 : Hisaaki Endo and Yusuf Z. Gurtas, Lantern relations and rational blowdowns, arXiv : 0808. 0386

    • URL

      http://arxiv.org/abs/0808.0386

    • Related Report
      2008 Final Research Report
  • [Remarks] 周期3の周期写像のデーン・ツイスト表示についてのY. Gurtas氏との共同研究の成果に関する資料 : Hisaaki Endo and Yusuf Z. Gurtas, Positive Dehn twist expression for a Z_3 action on \Sigma_g, arXiv : 0808. 0752

    • URL

      http://arxiv.org/abs/0808.0752

    • Related Report
      2008 Final Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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