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Topological and computational methods for dynamical systems basedon the theory of Conley index

Research Project

Project/Area Number 17540206
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Global analysis
Research InstitutionRyukoku University

Principal Investigator

OKA Hiroe  Ryukoku University, 理工学部, 教授 (20215221)

Co-Investigator(Kenkyū-buntansha) 国府 寛司  京都大学, 大学院・理学研究科, 教授 (50202057)
荒井 迅  京都大学, 大学院・理学研究科, 助教 (80362432)
石井 豊  九州大学, 大学院・数理学研究院, 准教授 (20304727)
Co-Investigator(Renkei-kenkyūsha) ARAI Zin  北海道大学, 創成科学共同研究機構, 特任助教 (80362432)
ISHII Yutaka  九州大学, 大学院・数理学研究院, 准教授 (20304727)
KOKUBU Hiroshi  京都大学, 大学院・理学研究科, 教授 (50202057)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,920,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2006: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2005: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywords力学系 / 分岐 / カオス / 計算的方法 / Conley指数 / Database Schema / 位相的・計算的方法 / サドル・ノード分岐 / バウンダリ・クライシス / 結合系 / 同期現象 / トポロジー / 厳密計算 / 双曲性 / horseshoe map / fast-slow system / 1次元写像 / 双極性 / trellis / ヘテロクリニック軌道 / エノン写像 / 位相的方法 / Conley指数理論 / 特異摂動的ベクトル場 / ホモロジー / heteroclinic軌道
Research Abstract

位相的方法を精度保証付きの計算的方法と組み合わせて力学系の大域的構造と分岐について厳密な計算機支援解析の方法を開拓し以下のような問題を解決した.
・特異摂動的ベクトル場のConley指数理論の拡張
・非線形ダイナミクスの大域的構造や分岐を調べる位相的アルゴリズムの構築とLeslieモデルへの応用
・Logistic写像の臨界点近傍の外での一様双曲性に関するMane条件を満たすパラメータ集合を求める方法
・Henon写像の双曲性パラメータ集合を求める方法とその記号力学系的性質

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (29 results)

All 2009 2008 2007 2006 2005 Other

All Journal Article (23 results) (of which Peer Reviewed: 13 results) Presentation (4 results) Remarks (2 results)

  • [Journal Article] A Database Schema for the Analysis of Global Dynamics of Multiparameter Systems2009

    • Author(s)
      Z. Arai, H. Kokubu, S. Luzzatto, K. Mischaikow, H. Oka, P. Pilarczyk
    • Journal Title

      SIAM Journal on Applied Dynamical Systems (掲載確定)

    • NAID

      120001629760

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantitative hyperbolicity estimates in one-dimensional dynamics2008

    • Author(s)
      S. Day, H. Kokubu, S. Luzzatto, K. Mischaikow, H. Oka, P. Pilarczyk
    • Journal Title

      Nonlinearity 21

      Pages: 1967-1987

    • Related Report
      2008 Annual Research Report 2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On hyperbolic plateaus of the Henon map2007

    • Author(s)
      Z.Arai
    • Journal Title

      Experiment. Math. 16 no.2

      Pages: 181-188

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Topological horseshoes of travelling waves for a fast-slow predator-prey system2007

    • Author(s)
      M. Gameiro, T. Gedeon, W. Kalies, H. Kokubu, K. Mischaikow, H. Oka
    • Journal Title

      J. Dyn. Diff. Eq. 19

      Pages: 623-654

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Rigorous verification of the cocoon bifurcation in the Michelson system2007

    • Author(s)
      H. Kokubu, D. Wilczak, P. Zgliczynski
    • Journal Title

      Nonlinearity 20

      Pages: 2147-2174

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Topological horseshoes of travelling waves for a fast-slow predator-prey system2007

    • Author(s)
      Gameiro, Gedeo, Kalies, Kokubu, Mischaikow, Oka
    • Journal Title

      Journal of Dynamics and Differential Equations 19

      Pages: 623-654

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Rigorous verification of the cocoon bifurcation in the Michelson system2007

    • Author(s)
      Kokubu, Wilczak, Zgliczynski
    • Journal Title

      Nonlinearity 20

      Pages: 2147-2174

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On Hyperbolic Plateaus of the Henon Map2007

    • Author(s)
      Zin Arai
    • Journal Title

      Experimetal Mathematics 16:2

      Pages: 181-188

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Topological horseshoes of travelling waves for a fast-slow predator-prey system2007

    • Author(s)
      M.Gameiro, T.Gedeon, W.Kalies, H.Kokubu, K.Mischaikow, H.Oka
    • Journal Title

      Journal of Dynamics and Differential Equations 19(To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] On Hyperbolic Plateaus of the Henon Map2007

    • Author(s)
      Z.Arai
    • Journal Title

      Experimental Mathematics (to appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Note on a paper by Kawasaki and Sasa on Bernoulli coupled map lattices2006

    • Author(s)
      Yutaka Ishii
    • Journal Title

      J. Phys. A39 no.45

      Pages: 14043-14046

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Rigorous computationsof homoclinic tangencies2006

    • Author(s)
      Z. Arai, K. Mischaikow
    • Journal Title

      SIAM J. Appl. Dyn. Syst. 5

      Pages: 280-292

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Conley index for fast-slow systems II : Multi-dimensional slow variable2006

    • Author(s)
      T. Gedeon, H. Kokubu, K. Mischaikow, H. Oka
    • Journal Title

      J. Diff. Eq. 225

      Pages: 242-307

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Conley index for fast-slow systems II : Multi-dimensional slow variable2006

    • Author(s)
      T.Gedeon, H.Kokubu, K.Mischaikow, H.Oka
    • Journal Title

      Journal of Differential Equations 225

      Pages: 242-307

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Cocoon bifurcations in three dimensional reversible vector fields2006

    • Author(s)
      Freddy Dumortier, Santiago Ibanez, Hiroshi Kokubu
    • Journal Title

      Nonlinearity 19

      Pages: 305-328

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Rigorous Computations of Homoclinic Tangencies2006

    • Author(s)
      Konstantin Mischaikow, Z.Arai
    • Journal Title

      STAM Journal on Applied Dynamical Systems 5

      Pages: 280-292

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Note on a paper by Kawasaki and Sasa on Bernoulli coupled map lattices2006

    • Author(s)
      Yutaka Ishii
    • Journal Title

      J. Phys. A 39 45

      Pages: 14043-14046

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Cocoon bifurcations in three dimensional reversible vector fields,2006

    • Author(s)
      Freddy Dumortier, Santiago Ibanez, Hiroshi Kokubu
    • Journal Title

      Nonlinearity 19

      Pages: 305-328

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Conley index theory for slow-fastsystems : multi-dimensional slow manifold2005

    • Author(s)
      Hiroe Oka
    • Journal Title

      Proceedings of International Conference on Differential Equations, Hasselt

      Pages: 912-917

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conley index theory for slow-fast systems : multi-dimensional slow manifold2005

    • Author(s)
      Hiroe Oka
    • Journal Title

      Proceedings of International Conference on Differential Equations, Hasselt, Belgium July 22-26, 2003, World Scientific

      Pages: 912-917

    • Related Report
      2005 Annual Research Report
  • [Journal Article] A Database Schema for the Analysis of Global Dynamics of Multiparameter Systems

    • Author(s)
      Z. Arai, H. Kokubu, S. Luzzatto, K. Mischaikow, H. Oka, P. Pilarczyk
    • Journal Title

      SIAM Journal on Applied Dynamical Systems (掲載確定)

    • NAID

      120001629760

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conley index for fast-slow systems II : Multi-dimensional slow variable,

    • Author(s)
      Tomas Gedeon, Hiroshi Kokubu, Konstantin Mischaikow, Hiroe Oka
    • Journal Title

      Journal of Differential Equations to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Topological horseshoes of travelling waves for a fast-slow predator-prey system,

    • Author(s)
      Marcio Gameiro, Tomas Gedeon, William Kalies, Hiroshi Kokubu, Konstantin Mischaikow, Hiroe Oka
    • Journal Title

      Journal of Dynamics and Differential Equations (Special Issue dedicated to Prof.Pavol Brunovsky's 70th birthday) to appear

    • Related Report
      2005 Annual Research Report
  • [Presentation] Some bifurcations in the database ofthe Leslie model2008

    • Author(s)
      H. Oka
    • Organizer
      Computational Topologyand Dynamics Workshop
    • Place of Presentation
      State University
    • Year and Date
      2008-08-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Some bifurcations in the database of the Leslie model2008

    • Author(s)
      岡宏枝(国府宏枝)
    • Organizer
      Computational Topology and Dynamics Workshop
    • Place of Presentation
      Montana state University
    • Year and Date
      2008-08-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] Bifurcation of Morsedecompositions : A case study International Conference on Foundation of Computational Mathematics2008

    • Author(s)
      H. Kokubu
    • Organizer
      City University of Hong Kong
    • Place of Presentation
      Hong Kong, P.R.China
    • Related Report
      2008 Final Research Report
  • [Presentation] Application of topological singularperturbation theory to travelling waves in apredator-prey system2005

    • Author(s)
      H. Oka
    • Organizer
      CIRM
    • Place of Presentation
      Luminy, France
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.math.ryukoku.ac.jp/~oka/

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.math.ryukoku.ac.jp/~oka/

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2005-04-01   Modified: 2016-04-21  

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