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2008 Fiscal Year Final Research Report

Research of invariants and regular projections of spatial graphs

Research Project

  • PDF
Project/Area Number 18740030
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Geometry
Research InstitutionKanazawa University

Principal Investigator

NIKKUNI Ryo  Kanazawa University, 学校教育系, 准教授 (00401878)

Project Period (FY) 2006 – 2008
Keywords空間グラフ / 結び目 / 絡み目 / 不変量 / 正則射影図
Research Abstract

空間グラフのホモトピー不変量及びホモロジー不変量の研究を行ない, その結果, 鏡像対称性を含む各種幾何学的対称性との関係の決定, グラフの内在的な非自明性の新種の発見, 直線型空間グラフ理論への応用等の成果を得た. また, 空間グラフの2次元球面への正則射影図の研究を行ない, その結果, 極小非自明な空間グラフの正則射影図の最小交差点数の決定, 非自明射影と呼ばれる正則射影図の最小交差点数の決定等の成果を得た.

  • Research Products

    (18 results)

All 2009 2008 2007 2006 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (12 results) Remarks (1 results)

  • [Journal Article] An intrinsic nontriviality of graphs2009

    • Author(s)
      新國 亮
    • Journal Title

      Algebraic & Geometric Topology 9巻1号

      Pages: 351-364

    • Peer Reviewed
  • [Journal Article] Achirality of spatial graphs and the Simon invariant2007

    • Author(s)
      新國 亮
    • Journal Title

      Intelligence of Low Dimensional Topology 2006 (Hiroshima), Series on Knots and Everything 40巻

      Pages: 239-243

    • Peer Reviewed
  • [Journal Article] Regular projections of spatial graphs, Knot Theory for Scientific Objects2007

    • Author(s)
      新國 亮
    • Journal Title

      Osaka City University Advanced Mathematical Institute Studies 1巻1号

      Pages: 111-128

    • Peer Reviewed
  • [Journal Article] Regular projections of graphs with at most three double points

    • Author(s)
      Youngsik Huh, 新國 亮
    • Journal Title

      Journal of Knot Theory and its Ramifications (掲載決定)

    • Peer Reviewed
  • [Journal Article] Homotopy on spatial graphs and generalized Sato-Levine invariants

    • Author(s)
      新國 亮
    • Journal Title

      Revista Matematica Complutense (掲載決定)

    • Peer Reviewed
  • [Presentation] Conway-Gordonの定理の精密化とその応用2009

    • Author(s)
      新國 亮
    • Organizer
      研究集会「結び目理論」
    • Place of Presentation
      東京
    • Year and Date
      2009-03-21
  • [Presentation] Knots in rectilinear spatial complete graphs and homological invariants2008

    • Author(s)
      新國 亮
    • Organizer
      研究集会「結び目の数学」
    • Place of Presentation
      東京
    • Year and Date
      2008-12-24
  • [Presentation] An intrinsic non-triviality of graphs2008

    • Author(s)
      新國 亮
    • Organizer
      AMS Sectional Meetings(2008 Spring Western Section Meeting)
    • Place of Presentation
      クレアモント
    • Year and Date
      2008-05-04
  • [Presentation]2008

    • Author(s)
      法貴 孝哲, 新國 亮, 谷山 公規
    • Organizer
      Clasp-pass moves on spatial handcuff graphs, AMS Sectional Meetings(2008 Spring Western Section Meeting)
    • Place of Presentation
      クレアモント
    • Year and Date
      2008-05-04
  • [Presentation] On spatial graph diagrams with at most three crossings2008

    • Author(s)
      Youngsik Huh, 新國 亮
    • Organizer
      he Fourth East Asian School of Knots, Links and Related Topics
    • Place of Presentation
      東京
    • Year and Date
      2008-01-22
  • [Presentation] On spatial graph diagrams with at most three crossings2007

    • Author(s)
      Youngsik Huh, 新國 亮
    • Organizer
      研究集会「結び目のトポロジーX」
    • Place of Presentation
      東京
    • Year and Date
      2007-12-23
  • [Presentation] Homotopy on spatial graphs and generalized Sato-Levine invariants2007

    • Author(s)
      新國 亮
    • Organizer
      Knotting Mathematics and Art
    • Place of Presentation
      タンパ
    • Year and Date
      2007-11-04
  • [Presentation] Homotopy on spatial graphs and generalized Sato-Levine invariants2007

    • Author(s)
      新國 亮
    • Organizer
      Intelligence of Low Dimensional Topology 兼 拡大KOOK セミナー
    • Place of Presentation
      大阪
    • Year and Date
      2007-08-31
  • [Presentation] Symmetries of spatial graphs and Simon invariants2007

    • Author(s)
      新國 亮, 谷山 公規
    • Organizer
      Third East Asian School of Knots, Links and Related Topics
    • Place of Presentation
      大阪
    • Year and Date
      2007-02-05
  • [Presentation] グラフの極小化可能性と一般化された非自明射影について2006

    • Author(s)
      小林 一章, 新國 亮
    • Organizer
      研究集会「結び目のトポロジーIX」
    • Place of Presentation
      東京
    • Year and Date
      2006-12-20
  • [Presentation] Symmetries of spatial graphs and Simon invariants2006

    • Author(s)
      新國 亮, 谷山 公規
    • Organizer
      研究集会「結び目のトポロジーIX」
    • Place of Presentation
      東京
    • Year and Date
      2006-12-19
  • [Presentation] Achirality of spatial graphs and the Simon invariant2006

    • Author(s)
      新國 亮
    • Organizer
      Intelligence of Low Dimensional Topology 2006
    • Place of Presentation
      広島
    • Year and Date
      2006-07-23
  • [Remarks] ホームページアドレス

    • URL

      http://www.lab.twcu.ac.jp/nick

URL: 

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

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