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2008 Fiscal Year Final Research Report

Study on topological invariants derived from linear representations over a finite field of fundamental groups and geometric structures of 3-manifolds

Research Project

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Project/Area Number 17540064
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionSoka University (2006-2008)
Tokyo Institute of Technology (2005)

Principal Investigator

KITANO TERUAKI  Soka University, 工学部, 教授 (90272658)

Co-Investigator(Renkei-kenkyūsha) FUJII Michihiko  京都大学, 大学院・理学研究科, 准教授 (60254231)
MORIFUJI Takayuki  東京農工大学, 大学院・共生科学技術研究部, 准教授 (90334466)
TAKASAWA Mitsuhiko  東京工業大学, 大学院・情報理工学研究科, 助教 (80323822)
Research Collaborator SUZUKI Masaaki  秋田大学, 教育文化学部, 准教授 (70431616)
MATSUMOTO Mineko  創価大学, 大学院・工学研究科
Project Period (FY) 2005 – 2008
Keywordsトポロジー / 3次元多様体 / 結び目 / 基本群 / 結び目群 / 線型表現 / twisted Alexander多項式 / degree 1 map
Research Abstract

3次元多様体、特に結び目の補空間を主な研究の対象としてその基本群の有限体上の線型表現、それを用いて定義される不変量、及びそれらと多様体の幾何学的な構造との関係について研究した。特に表現としては2次元特殊線型群への表現を扱った。具体的にはコンピュータを用いて,与えられた結び目に対する具体的な線型表現、線型表現の共役類の個数、twisted Alexander多項式の計算を行い、それらを用いて結び目の補空間の間の全射準同型写像の存在や写像度の計算などに関する系統的な研究を行った。

  • Research Products

    (22 results)

All 2009 2008 2007 2006 2005

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (16 results)

  • [Journal Article] A Partial Order in the Knot Table II2008

    • Author(s)
      Teruaki KITANO and Masaaki SUZUKI
    • Journal Title

      Acta Mathematica Sinica 24

      Pages: 1801-1816

    • Peer Reviewed
  • [Journal Article] L^2-torsion invariants and the Magnus representation of the mapping class group, Groups of Diffeomorphisms2008

    • Author(s)
      Teruaki KITANO and Takayuki MORIFUJI
    • Journal Title

      Advanced Studies in Pure Mathematics Volume(Math. Soc. of Japan) 52

    • Peer Reviewed
  • [Journal Article] Twisted Alexander polynomials and a partial order on the set of prime knots, Geometry and Topology Monographs 132008

    • Author(s)
      Teruaki KITANO and Masaaki SUZUKI
    • Journal Title

      Groups, Homotopy and Configuration Spaces (Tookyo 2005)

      Pages: 307-322

    • Peer Reviewed
  • [Journal Article] On the existence of a surjective homomorohism between knot groups2006

    • Author(s)
      Teruaki KITANO and Masaaki SUZUKI
    • Journal Title

      Intelligence of Low Dimensional Topology 2006. World Scientific

    • Peer Reviewed
  • [Journal Article] A partial order in the knot table, Exp2005

    • Author(s)
      Teruaki KITANO and Masaaki SUZUKI
    • Journal Title

      Math 14

      Pages: 385-390

    • Peer Reviewed
  • [Journal Article] Twisted Alexander polynomials and surjectivity of a group homomorphism, Algebr2005

    • Author(s)
      Teruaki KITANO, Masaaki SUZUKI and Masaaki WADA
    • Journal Title

      Geom. Topol 5

      Pages: 1315-1324

    • Peer Reviewed
  • [Presentation] 11交点以下の素な結び目の間の半順序について2009

    • Author(s)
      松本峰子-堀江啓一-北野晃朗-鈴木正明
    • Organizer
      日本数学会年会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-03-27
  • [Presentation] A partial order on the set of prime knots with up to 11-crossings2009

    • Author(s)
      Mineko Matsumoto
    • Organizer
      The Fifth East Asian School of Knots and Related Topics
    • Place of Presentation
      Gyeongjyu TEMF Hotel, Gyeongjyu, Korea
    • Year and Date
      2009-01-13
  • [Presentation] 写像類群とL^2-torsion2008

    • Author(s)
      北野晃朗
    • Organizer
      葉層構造論シンポジウム
    • Place of Presentation
      東京大学玉原国際 セミナーハウス
    • Year and Date
      2008-10-31
  • [Presentation] L^2-torsion invariants of a surface bundle over the circle Braids in Paris2008

    • Author(s)
      Teruaki KITANO
    • Organizer
      Institut de Mathematiques de Jussieu, Universite Paris Diderot (Paris 7)
    • Place of Presentation
      France
    • Year and Date
      2008-09-18
  • [Presentation] Towards a complete decision about the partial order on the set of the knots with up to 11-crossings2008

    • Author(s)
      Mineko Matsumoto
    • Organizer
      トポロジーとコンピュータ2008
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-08-29
  • [Presentation] Magnus representations of the mapping class group and L^2-Torsion invariants2008

    • Author(s)
      Teruaki KITANO
    • Organizer
      Finite Type Invariants, Fat Graphs and Torelli-Johnson-Morita Theory
    • Place of Presentation
      CTQM, Aarhus Univ. Denmark
    • Year and Date
      2008-03-29
  • [Presentation] 円周上の曲面束のL^2-torsion 不変量と写像類群のMagnus表現2008

    • Author(s)
      北野晃朗
    • Organizer
      Hodge理論・退化・特異点の代数幾何とトポロジー研究集会(第4回)
    • Place of Presentation
      東北学院大学
    • Year and Date
      2008-03-13
  • [Presentation] On the number of SL(2 ; Z/pZ)-representations of knot groups2008

    • Author(s)
      Teruaki Kitano-Masaaki Suzuki
    • Organizer
      The Fourth East Asian School of Knots and Related Topics
    • Place of Presentation
      Univ. Tokyo
    • Year and Date
      2008-01-21
  • [Presentation] Twisted Alexander polynomial and related topics (I)2007

    • Author(s)
      北野晃朗
    • Organizer
      広島大学トポロジー・幾何セミナー
    • Year and Date
      2007-11-28
  • [Presentation] Twisted Alexander polynomial and related topics (II)2007

    • Author(s)
      鈴木正明
    • Organizer
      広島大学トポロジー・幾何セミナー
    • Year and Date
      2007-11-28
  • [Presentation] 写像類群のMagnus表現と円周上の曲面束のL^2-torsion不変量について2007

    • Author(s)
      北野晃朗
    • Organizer
      東京農工大・森藤孝之氏との共同研究
    • Place of Presentation
      広島大学数学教室談話会
    • Year and Date
      2007-11-20
  • [Presentation] 結び目群のSL(2 ; Z/pZ)-表現とその応用2007

    • Author(s)
      北野晃朗
    • Organizer
      広島大学トポロジー・幾何セミナー
    • Year and Date
      2007-11-20
  • [Presentation] 結び目群の有限体上の線型表現とその応用2007

    • Author(s)
      北野晃朗
    • Organizer
      第54回全日本トポロジーシンポジュウム(鈴木正明氏(秋田大学)との共同研究)
    • Place of Presentation
      会津大学
    • Year and Date
      2007-08-08
  • [Presentation] 結び目群の有限体上の線型表現の個数について2007

    • Author(s)
      北野晃朗-鈴木正明
    • Organizer
      日本数学会年会
    • Place of Presentation
      埼玉大学
    • Year and Date
      2007-03-30
  • [Presentation] 円周上の曲面束のL^2-torsionと写像類群のマグナス表現2006

    • Author(s)
      北野晃朗
    • Organizer
      大阪市立大学数学教室談話会
    • Year and Date
      2006-11-08
  • [Presentation] L^2-torsion invariants and the Magnus representation of the mapping class group2006

    • Author(s)
      Teruaki KITANO
    • Organizer
      Groups of Diffeomorphisms 2006
    • Place of Presentation
      Univ. Tokyo
    • Year and Date
      2006-09-11

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Published: 2010-06-10   Modified: 2016-04-21  

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