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Studies on partial orders on sets of 3-manifolds defined by epimorphisms between fundamental groups.

Research Project

Project/Area Number 21540100
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

KITANO Teruaki  創価大学, 工学部, 教授 (90272658)

Co-Investigator(Renkei-kenkyūsha) MORIFUJI Takayuki  慶應義塾大学, 経済学部, 教授 (90334466)
SUZUKI Masaaki  秋田大学, 教育文化学部, 准教授 (70431616)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords3次元多様体 / 結び目 / 基本群 / 有限素体 / 結び目群 / 非可換表現 / 全射準同型写像 / metabelian表現 / 写像度 / Casson不変量 / ねじれAlexander不変量 / 半順序関係 / degree
Research Abstract

For the set of prime knots with up to 11-crossings, we determined the partial order relation defined by using meridian preserving epimorphisms between knots groups. We also proved that for any given 2-bridge knot there exists a Montesinos knot with an epimorphims which is induced by a degree zero map. Further we found pairs of a 3-bridge hyperbolic Montsinos knot and a 2-bridge hyperbolic knot which is not induced from a nonzero degree map. For any knot, there exists a infinitely many prime numbers such that there exists a non abelian representation on its knot group in 2-dimensional special linear group over a finite prime field with such a characteristic.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (24 results)

All 2012 2011 2010 2009 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (20 results)

  • [Journal Article] On the number of SL(2 ; Z/pZ)-representations of knot groups2012

    • Author(s)
      TERUAKI KITANO and MASAAKI SUZUKI
    • Journal Title

      Journal of Knot Theory and Its Ramifications

      Volume: Volume 21, Issue 1 Issue: 01 Pages: 1250003-1250003

    • DOI

      10.1142/s021821651100973x

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] A Partial order on the set of prime knots with up to 11 crossings2011

    • Author(s)
      KEIICHI HORIE, TERUAKI KITANO, MINEKO MATSUMOTO and MASAAKI SUZUKI
    • Journal Title

      J. Knot Theo. and its Rami

      Volume: Volume 20, Issue 2 Issue: 02 Pages: 275-303

    • DOI

      10.1142/s0218216511008747

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] A Partial order on the set of prime knots with up to 11 crossings2011

    • Author(s)
      K.Horie, T.Kitano, M.Matsumoto, M.Suzuki
    • Journal Title

      J.Knot Theo.and its Rami.

      Volume: 20 Pages: 275-303

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Twisted Alexander polynomials for SL(2 ; C)-irreducible representations of torus knots

    • Author(s)
      TERUAKI KITANO and TAKAYUKI MORIFUJI
    • Journal Title

      Annali della Scuola Normale Superiore

      Volume: (to appear)

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Presentation] SL(2,Z/d)-represenations of a knot group and Alexander polynomial as an obstruction2012

    • Author(s)
      Teruaki Kitano
    • Organizer
      Algebre, Dynamique et Topologie
    • Place of Presentation
      Universite de Provence(招待講演)
    • Year and Date
      2012-03-12
    • Related Report
      2011 Annual Research Report
  • [Presentation] Linear representations over a finite field of a knot group and the Alexander polynomial as an obstruction2012

    • Author(s)
      TERUAKI KITANO
    • Organizer
      Branched Co verings, Degenerations, and Related Topics 2012
    • Place of Presentation
      広島大学
    • Year and Date
      2012-03-05
    • Related Report
      2011 Final Research Report
  • [Presentation] Linear representations over a finite field of a knot group and the Alexander polynomial as an obstruction2012

    • Author(s)
      Teruaki Kitano
    • Organizer
      Branched Coverings, Degenerations, and Related Topics 2012
    • Place of Presentation
      広島大学(招待講演)
    • Year and Date
      2012-03-05
    • Related Report
      2011 Annual Research Report
  • [Presentation] SL(2, Z/d)-represenations of a knot group and Alexander polynomial as an obstruction2012

    • Author(s)
      TERUAKI KITANO
    • Organizer
      The 8th East Asian School of Knots and Related Topics
    • Place of Presentation
      KAIST,大韓民国
    • Year and Date
      2012-01-10
    • Related Report
      2011 Final Research Report
  • [Presentation] SL(2,Z/d)-represenations of a knot group and Alexander polynomial as an obstruction2012

    • Author(s)
      Teruaki Kitano
    • Organizer
      The 8th East Asian School of Knots and Related Topics
    • Place of Presentation
      KAIST, Korea
    • Year and Date
      2012-01-10
    • Related Report
      2011 Annual Research Report
  • [Presentation] On the Alexander polynomial of a knot as an obstruction for linear representations of a knot group2011

    • Author(s)
      TERUAKI KITANO
    • Organizer
      Circle valued Morse theory and Alexander invariants
    • Place of Presentation
      東京大学
    • Year and Date
      2011-11-19
    • Related Report
      2011 Final Research Report
  • [Presentation] On the Alexander polynomial of a knot as an obstruction for linear representations of a knot group2011

    • Author(s)
      Teruaki Kitano
    • Organizer
      Circle valued Morse theory and Alexander invariants
    • Place of Presentation
      東京大学(招待講演)
    • Year and Date
      2011-11-19
    • Related Report
      2011 Annual Research Report
  • [Presentation] Epimorphisms between knot groups and special values of colored Jones polynomials(II)2011

    • Author(s)
      新村正之, 北野晃朗
    • Organizer
      トポロジーとコンピュータ2011
    • Place of Presentation
      名城大学
    • Year and Date
      2011-11-13
    • Related Report
      2011 Final Research Report
  • [Presentation] Epimorphisms between knot groups and special values of colored Jones polynomials (II)2011

    • Author(s)
      北野晃朗-新村正之
    • Organizer
      トポロジーとコンピュータ2011
    • Place of Presentation
      名城大学
    • Year and Date
      2011-11-13
    • Related Report
      2011 Annual Research Report
  • [Presentation] Linear representations over a finite field of a knot group and the Alexander polynomial as an obstruction2011

    • Author(s)
      TERUAKI KITANO
    • Organizer
      Peking University Topology seminar
    • Place of Presentation
      北京大学,中国
    • Year and Date
      2011-10-12
    • Related Report
      2011 Final Research Report
  • [Presentation] Linear representations over a finite field of a knot group and the Alexander polynomial as an obstruction2011

    • Author(s)
      Teruaki Kitano
    • Organizer
      北京大学Topology seminar
    • Place of Presentation
      北京大学(招待講演)
    • Year and Date
      2011-10-12
    • Related Report
      2011 Annual Research Report
  • [Presentation] トーラス結び目のねじれAlexander多項式2011

    • Author(s)
      北野晃朗, 森藤孝之
    • Organizer
      日本数学会年会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2011-03-20
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] Epimorphisms between knot groups and special values of colored Jones polynomials2010

    • Author(s)
      TERUAKI KITANO
    • Organizer
      トポロジーとコンピュータ2010
    • Place of Presentation
      東京工業大学
    • Year and Date
      2010-09-08
    • Related Report
      2011 Final Research Report
  • [Presentation] 結び目のtwisted Alexander多項式入門2010

    • Author(s)
      北野晃朗
    • Organizer
      東京女子大トポロジーセミナー
    • Place of Presentation
      東京女子大学
    • Year and Date
      2010-06-19
    • Related Report
      2011 Final Research Report
  • [Presentation] Epimorphisms between knot groups2010

    • Author(s)
      TERUAKI KITANO
    • Organizer
      Peking University Topology seminar
    • Place of Presentation
      北京大学,中国
    • Year and Date
      2010-05-10
    • Related Report
      2011 Final Research Report
  • [Presentation] A partial order on the set of prime Knots2010

    • Author(s)
      TERUAKI KITANO
    • Organizer
      The 6th East Asian School of Knots and Related Topics
    • Place of Presentation
      Chern Institute of Mathematice,南開大学,中国
    • Year and Date
      2010-01-26
    • Related Report
      2011 Final Research Report
  • [Presentation] A partial order on the set of prime knots2010

    • Author(s)
      北野晃朗
    • Organizer
      The 6th East Asian School of Knots and Related Topics
    • Place of Presentation
      Nankai Univ., China
    • Year and Date
      2010-01-26
    • Related Report
      2009 Annual Research Report
  • [Presentation] 素な結び目の間の半順序に関する幾つかの注意2009

    • Author(s)
      北野晃朗, 鈴木正明
    • Organizer
      日本数学会秋期総合分科会
    • Place of Presentation
      大阪大学
    • Year and Date
      2009-09-24
    • Related Report
      2011 Final Research Report
  • [Presentation] 素な結び目の間の半順序に関する幾つかの注意2009

    • Author(s)
      北野晃朗, 鈴木正明
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      大阪大学
    • Year and Date
      2009-09-24
    • Related Report
      2009 Annual Research Report
  • [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
    • Related Report
      2011 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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