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Conformal geometry and its application to geometric knot theory

Research Project

Project/Area Number 19540096
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionTokyo Metropolitan University

Principal Investigator

IMAI Jun  Tokyo Metropolitan University, 大学院・理工学研究科数理情報科学専攻, 准教授 (70221132)

Co-Investigator(Kenkyū-buntansha) 神島 芳宣  首都大学東京, 大学院・理工学研究科, 教授 (10125304)
MARTIN Guest  首都大学東京, 大学院・理工学研究科, 教授 (10295470)
横田 佳之  首都大学東京, 大学院・理工学研究科, 准教授 (40240197)
赤穂 まなぶ  首都大学東京, 大学院・理工学研究科, 助教 (30332935)
Research Collaborator REMI Langevin  ブルゴーニュ大学, ブルゴーニュ数学研究所, 教授
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2007: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords共形幾何学 / 結び目 / エネルギー
Research Abstract

幾何学的結び目理論を共形幾何学的な観点から研究するために必要な共形幾何学の基礎付けを行った。成果の一例として、曲線の共形的弧長は、その曲線の接触円全体のなす集合の1/2次元的弧長と等しいことを示した

Report

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

    (30 results)

All 2009 2008 2007 Other

All Journal Article (10 results) (of which Peer Reviewed: 10 results) Presentation (17 results) Remarks (3 results)

  • [Journal Article] Conformal dual of a quadruplet of points2008

    • Author(s)
      J. O'Hara
    • Journal Title

      Far East Journal of Mathematical Education 2

      Pages: 1-11

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Energy of knots and theinfinitesimal cross ratio"Groups, Homotopy and Configuration Spaces"2008

    • Author(s)
      J. O'Hara
    • Journal Title

      Geometry and Topology Monographs 13

      Pages: 421-445

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Energy of knots and the infinitesimal cross ratio2008

    • Author(s)
      Jun O'Hara (今井の旧姓)
    • Journal Title

      Proceedings of the Conference“Groups, Homotopy and Configuration Spaces", Geometry and Topology Monographs 13

      Pages: 421-445

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conformal dual of a quadruplet of points2008

    • Author(s)
      Jun O'Hara (今井の旧姓)
    • Journal Title

      Far East Journal of Mathematical Education 2

      Pages: 1-11

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Note on Y-energies of Knots, OCAMI Studies Vol 1 (1)2007

    • Author(s)
      J. O'Hara
    • Journal Title

      Knot Theory for Scientific Objects, proceedings of the International Workshop on Knot Theory for Scientific Objects

      Pages: 85-95

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The configuration space of planar spidery linkages2007

    • Author(s)
      J. O'Hara
    • Journal Title

      Topology Appl 154

      Pages: 502-526

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The configuration space of a spider, Proceedings of the int ernational conference2007

    • Author(s)
      J. O'Hara
    • Journal Title

      "Intelligence of Low Dimensional Topology 2006" published by World Scientific Publishing Co. in the Knots and Everything Book Series Vol. 40

      Pages: 245-252

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The configuration space of planar spidery linkages2007

    • Author(s)
      Jun O' Hara (今井の旧姓)
    • Journal Title

      Topology and its Applications 154

      Pages: 502-526

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Note on Y-energies of Knots2007

    • Author(s)
      Jun O' Hara (今井の旧姓)
    • Journal Title

      OCAMI Studies 1

      Pages: 85-95

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conformal arc-length as 1/2 dimensional length of the set of osculating circles to appear in Comm

    • Author(s)
      Remi Langevin and Jun O'Hara
    • Journal Title

      Math. Helv

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] S^2=∂H^3の4点のH^3内の共形的中心2009

    • Author(s)
      今井淳
    • Organizer
      日本数学会年会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 光的(零的)曲線の1/2次元的長さについて2009

    • Author(s)
      今井淳
    • Organizer
      日本数学会年会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 等辺等角多角形の配置空間2009

    • Author(s)
      今井淳
    • Organizer
      日本数学会年会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Configuration space of small equilateral and equiangular polygons 、Knots and soft-matter physics2008

    • Author(s)
      J. O'Hara
    • Organizer
      Topology of polymers and related topics in physics, mathematics and biology
    • Place of Presentation
      京都大学
    • Year and Date
      2008-08-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Configuration space of small equilateral and equiangular polygons2008

    • Author(s)
      Jun O'Hara
    • Organizer
      Knots and soft-matter physics, Topology of polymers and related topics in physics, mathematics and biology
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2008-08-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Conformal Geometry of curves2008

    • Author(s)
      今井淳
    • Organizer
      第55回幾何学シンポジウム
    • Place of Presentation
      弘前大学
    • Year and Date
      2008-08-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Conformal Geometry of curve2008

    • Author(s)
      今井 淳
    • Organizer
      第55回幾何学シンポジウム
    • Place of Presentation
      弘前大学
    • Year and Date
      2008-08-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] 4点の共形的双対2008

    • Author(s)
      今井淳
    • Organizer
      日本数学会年会
    • Place of Presentation
      近畿大
    • Year and Date
      2008-03-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 共形積分幾何学の話2008

    • Author(s)
      今井淳
    • Organizer
      日本数学会年会
    • Place of Presentation
      近畿大
    • Year and Date
      2008-03-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Writheの共形不変性2008

    • Author(s)
      今井淳
    • Organizer
      日本数学会年会
    • Place of Presentation
      近畿大
    • Year and Date
      2008-03-23
    • Related Report
      2008 Final Research Report
  • [Presentation] The conformal arc-length via osculating circles2008

    • Author(s)
      J. O'Hara
    • Organizer
      A.G.T.セミナー
    • Place of Presentation
      ブルゴーニュ大学ブルゴーニュ数学研究所(フランス)
    • Year and Date
      2008-01-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 部分球面のなす空間とその応用2007

    • Author(s)
      今井淳
    • Organizer
      トポロジー火曜セミナー
    • Place of Presentation
      東京大学
    • Year and Date
      2007-10-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Indefinite Grassmannian manifolds and their applications2007

    • Author(s)
      今井淳
    • Organizer
      微分幾何学セミナー
    • Place of Presentation
      首都大学東京
    • Year and Date
      2007-10-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 曲線の接触円と共形的弧長2007

    • Author(s)
      今井淳
    • Organizer
      秋季総合分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 結び目を通る円の集合の体積2007

    • Author(s)
      今井淳
    • Organizer
      秋季総合分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 2成分絡み目の積トーラスの面積2007

    • Author(s)
      今井淳
    • Organizer
      秋季総合分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 2成分絡み目の積トーラスの面積2007

    • Author(s)
      今井 淳
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-21
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.comp.tmu.ac.jp/knotNRG/indices/indexj.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.comp.tmu.ac.jp/knotNRG/math/nenjij.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.comp.tmu.ac.jp/knotNRG/math/nenjij.html

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2021-04-07  

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