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Bifurcation in parameter spaces of holomorphic and anti-holomorphic dynamics and its visualization

Research Project

Project/Area Number 26400115
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Basic analysis
Research InstitutionKyoto University

Principal Investigator

Inou Hiroyuki  京都大学, 理学研究科, 講師 (00362434)

Project Period (FY) 2014-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords反正則力学系 / 放物型分岐 / 没入型仮想現実 / 自己相似性 / 複素力学系 / 分岐測度 / 没入型仮想現実システム / Mandelbrot集合 / Tricorn / 国際情報交換 / ドイツ:フランス
Outline of Final Research Achievements

The analogue of the Mandelbrot set in anti-holomorphic dynamics is called the tricorn. We prove that external rays and "umbilical cords" accumulating to the boundaries of hyperbolic components of odd period do not converge to a point. This non-landing property implies that the tricorn is much more complicated than the Mandelbrot set. Especially, the non-landingness of "umbilical cords" implies that the tricorn does not have such a self-similar property as for the Mandelbrot set.
We also construct a fundamental environment for visualization of Julia sets and bifurcation measures in complex two dimensional space with recent VR devices, so that we can easily implement various methods for controls, projections, rendering and so on for experiment.

Report

(5 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (23 results)

All 2018 2017 2016 2015 2014 Other

All Int'l Joint Research (3 results) Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results) Presentation (18 results) (of which Int'l Joint Research: 11 results,  Invited: 9 results)

  • [Int'l Joint Research] Stony Brook大学(米国)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Jacobs University Bremen(ドイツ)

    • Related Report
      2015 Research-status Report
  • [Int'l Joint Research] Stony Brook University(米国)

    • Related Report
      2015 Research-status Report
  • [Journal Article] Self-Similarity for the Tricorn2018

    • Author(s)
      Hiroyuki Inou
    • Journal Title

      Experimental Mathematics

      Volume: 印刷中 Issue: 4 Pages: 440-455

    • DOI

      10.1080/10586458.2017.1420502

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Non-landing parameter rays of the multicorns2016

    • Author(s)
      Hiroyuki Inou, Sabyasachi Mukherjee
    • Journal Title

      Inventiones mathematicae

      Volume: 204 Issue: 3 Pages: 869-893

    • DOI

      10.1007/s00222-015-0627-3

    • Related Report
      2016 Research-status Report 2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 複素力学系とその可視化2018

    • Author(s)
      稲生 啓行
    • Organizer
      数学ソフトウェアとフリードキュメント26
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Inaccessibility of hyperbolic components for anti-holomorphic dynamics2018

    • Author(s)
      Hiroyuki Inou
    • Organizer
      On geometric complexity of Julia sets
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Non-landing parameter rays for the tricorn2017

    • Author(s)
      Hiroyuki Inou
    • Organizer
      The Third Pacific Rim Mathematical Association Congress
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Visualization in complex dynamics2017

    • Author(s)
      Hiroyuki Inou
    • Organizer
      MEIS2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] On perturbation of a polynomial with parabolic fixed point2017

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Workshop on Complex Dynamics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On wiggly features and self-similarity of multicorns2016

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Taking the Measure of One-Dimensional Dynamics
    • Place of Presentation
      ライデン(オランダ)
    • Year and Date
      2016-04-12
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Tricorn の双曲成分の正則なパラメータ付けと、それらの共通境界でのふるまいについて2016

    • Author(s)
      稲生 啓行
    • Organizer
      2015 年度 冬の力学系研究集会
    • Place of Presentation
      日本大学 軽井沢研修所
    • Year and Date
      2016-01-08
    • Related Report
      2015 Research-status Report
  • [Presentation] On wiggly features and self-similarity of multicorns2016

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Taking the Measure of One-Dimensional Dynamics
    • Place of Presentation
      Lorentz Center, ライデン, オランダ
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] On accessibility of hyperbolic components of the tricorn2016

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Parameter Problems in Analytic Dynamics
    • Place of Presentation
      Imperial College London, ロンドン, イギリス
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] On self-similarity in anti-holomorphic dynamics2016

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Conference of Complex Analysis in China 2016
    • Place of Presentation
      Fudan University, 上海, 中国
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] On accessibility of hyperbolic components for the tricorn2016

    • Author(s)
      稲生 啓行
    • Organizer
      複素力学系およびそのモヂュライ等の関連分野の研究
    • Place of Presentation
      京都大学数理解析研究所
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Non-landing umbilical cords and discontinuous straightening maps for the tricorn2015

    • Author(s)
      稲生 啓行
    • Organizer
      複素力学系の深化
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2015-12-08
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Parabolic implosion in anti-holomorphic family2015

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Perspectives on Parabolic Points in Holomorphic Dynamics
    • Place of Presentation
      バンフ(カナダ)
    • Year and Date
      2015-04-03
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Parabolic implosion in anti-holomorphic family2015

    • Author(s)
      Hiroyuki Inou
    • Organizer
      Perspectives on Parabolic Points in Holomorphic Dynamics
    • Place of Presentation
      Banff International Research Station
    • Year and Date
      2015-04-03
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Wiggly features appearing in anti-holomorphic dynamics2014

    • Author(s)
      Hiroyuki Inou
    • Organizer
      数理解析研究所研究集会『複素力学系の総合的研究』
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2014-12-11
    • Related Report
      2014 Research-status Report
  • [Presentation] Wiggles in the anti-holomorphic quadratic family2014

    • Author(s)
      Hiroyuki Inou
    • Organizer
      ICM 2014 satellite conference, Holomorphic Dynamics in One and Several Variables
    • Place of Presentation
      Kolon Hotel, Gyeongju, Korea
    • Year and Date
      2014-08-24
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] An implosion arising from saddle connection in 2D complex dynamics2014

    • Author(s)
      中根静男・稲生啓行
    • Organizer
      数理解析研究所研究集会『力学系:理論と応用の相互作用』
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2014-06-11
    • Related Report
      2014 Research-status Report
  • [Presentation] Straightening maps and similarity of parameter spaces in complex dynamics2014

    • Author(s)
      Hiroyuki Inou
    • Organizer
      International Conference "Topological and geometric methods in low-dimensional dynamical systems"
    • Place of Presentation
      Moscow Center for Continuous Mathematical Education
    • Year and Date
      2014-05-14
    • Related Report
      2014 Research-status Report
    • Invited

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Published: 2014-04-04   Modified: 2022-06-07  

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