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2008 Fiscal Year Final Research Report

Characterization related to Rauzy fractals of substitutions

Research Project

  • PDF
Project/Area Number 19740056
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionChuo University

Principal Investigator

EI Hiromi  Chuo University, 理工学部, 助教 (60333051)

Project Period (FY) 2007 – 2008
Keywordsサブスティテューション / 記号力学系 / フラクタル / タイリング / 自由群 / エルゴード理論
Research Abstract

ランク3以上のサブスティテューションに対し,その可逆性とサブスティテューションに対して決まる指標との関係を与えた.また,可逆性と連結性について,ランク2の結果の反例となる,非可逆(可逆)であるがR-フラクタルが連結(非連結)となる例を発見した.自由群上の同型写像については,サブスティテューションの場合と同様に扱うことのできるクラスを設定し,R-フラクタル,タイリングの生成方法を与えた.

  • Research Products

    (5 results)

All 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results)

  • [Journal Article] Tilings of a Riemann surface and cubic Pisot numbers2007

    • Author(s)
      榎本文彦, 江居宏美, 古門麻貴, 伊藤俊次
    • Journal Title

      Hiroshima Math. J., vol. 37, no. 2

      Pages: 181-210

    • Peer Reviewed
  • [Journal Article] On サブスティテューション invariant sturmian words : an application of Rauzy fractals2007

    • Author(s)
      Valerie BERTHE, 江居宏美, 伊藤俊次, Hui RAO
    • Journal Title

      Theoret. Informatics Appl. vol. 41, no. 3

      Pages: 329-349

    • Peer Reviewed
  • [Presentation] Atomic surfaces generated by automorphisms of rank 2 in some class2008

    • Author(s)
      江居宏美
    • Organizer
      International Workshop on Fractal Geometry and Ergodic Theory
    • Place of Presentation
      Beijing Technology University and Tsinghua Uiversity (China)
    • Year and Date
      2008-11-02
  • [Presentation] Connectedness of atomic surfaces generated by invertible substitutions2008

    • Author(s)
      江居宏美
    • Organizer
      Combinatorial and Computational aspects of Tilings
    • Place of Presentation
      Imperial College London (England)
    • Year and Date
      2008-07-30
  • [Presentation] Stepped surfaces generated by automorphisms of the free group2007

    • Author(s)
      江居宏美
    • Organizer
      Journees de Numeration
    • Place of Presentation
      Graz University of Technology (Austria)
    • Year and Date
      2007-04-16

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

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