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2019 Fiscal Year Annual Research Report

Relation between structure of spaces and analysis

Research Project

Project/Area Number 17H02849
Research InstitutionKyoto University

Principal Investigator

木上 淳  京都大学, 情報学研究科, 教授 (90202035)

Co-Investigator(Kenkyū-buntansha) 白石 大典  京都大学, 情報学研究科, 准教授 (00647323)
相川 弘明  中部大学, 工学部, 教授 (20137889)
日野 正訓  京都大学, 理学研究科, 教授 (40303888)
角 大輝  京都大学, 人間・環境学研究科, 教授 (40313324)
秋山 茂樹  筑波大学, 数理物質系, 教授 (60212445)
宍倉 光広  京都大学, 理学研究科, 教授 (70192606)
熊谷 隆  京都大学, 数理解析研究所, 教授 (90234509)
梶野 直孝  神戸大学, 理学研究科, 准教授 (90700352)
Project Period (FY) 2017-04-01 – 2020-03-31
Keywordsフラクタル / ラプラシアン / 熱核
Outline of Annual Research Achievements

木上は、距離空間の重み付き分割と距離・測度の関係について研究した。特に、自己相似集合の Ahffors regular conformal 次元とその blow-up である無限グラフの parabolic index の関係を示した。また、University of Washington の Z.Q.Chen教授との共同研究で、実数上の jump process で、UJS 条件は満たさないが、領域の一定の割合を占める部分集合でよい熱核評価が成り立つ例を構成した。白石は、3次元一様全域木のスケール極限の存在および極限の諸性質を明らかにした。日野は、マルチンゲール次元の定量評価の問題に取り組み,一般の測度距離空間上に定義された強局所ディリクレ形式に付随する拡散過程について,マルチンゲール次元が1となるための十分条件を与えた.熊谷は一般の対称確率過程について、対応する熱方程式の解が放物型ハルナック不等式や精密な熱核評価を持つための必要十分条件を導き出した。(ただし、簡単のためkilling項がない場合を考察している。)この結果は、X. Chen氏, Z.Q. Chen氏とJ. Wang氏との共著論文にまとめ、雑誌に投稿中である。角はランダム実・複素力学系および非自励系複素力学系の決定論的複素力学系では起こりえない新現象の研究と、複素連分数展開に関係する無限等角反復関数系の研究を行った。相川は、Intrinsic ultracontractivity の研究を応用して,Lipschitz領域やJohn領域をベースにするシリンダー上の熱方程式の優解の可積分性を与えた.これは正値優調和関数の可積分性に関する結果のの放物型拡張である.

Research Progress Status

令和元年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和元年度が最終年度であるため、記入しない。

  • Research Products

    (22 results)

All 2020 2019 Other

All Int'l Joint Research (3 results) Journal Article (11 results) (of which Int'l Joint Research: 6 results,  Peer Reviewed: 11 results,  Open Access: 1 results) Presentation (8 results) (of which Int'l Joint Research: 8 results,  Invited: 7 results)

  • [Int'l Joint Research] University of Washington/University of Connecticut/University of Chicago(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      University of Washington/University of Connecticut/University of Chicago
  • [Int'l Joint Research] University of Oxford(英国)

    • Country Name
      UNITED KINGDOM
    • Counterpart Institution
      University of Oxford
  • [Int'l Joint Research] University of British Columbia(カナダ)

    • Country Name
      CANADA
    • Counterpart Institution
      University of British Columbia
  • [Journal Article] Hereditarily non Uniformly Perfect non-Autonomous Julia Sets2020

    • Author(s)
      M.Comerford, R. Stankewitz, H. Sumi
    • Journal Title

      Discrete and Continuous Dynamical Systems Ser. A,

      Volume: 40 Pages: 33-46

    • DOI

      0.3934/dcds.2020002

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Global integrability of supertemperatures2020

    • Author(s)
      Aikawa, Hiroaki and Hara, Takanobu and Hirata, Kentaro
    • Journal Title

      {Math. Z.

      Volume: - Pages: -

    • DOI

      110.1007/s00209-020-02467-y

    • Peer Reviewed
  • [Journal Article] Non-i.i.d. random holomorphic dynamical systems and the probability of tending to infinity2019

    • Author(s)
      H. Sumi and T. Watanabe
    • Journal Title

      Nonlinearity

      Volume: 32 Pages: 3742-3771

    • DOI

      10.1088/1361-6544/ab231e

    • Peer Reviewed
  • [Journal Article] Heat kernel estimates for FIN processes associated with resistance forms2019

    • Author(s)
      A. Croydon, B.M. Hambly and T. Kumagai
    • Journal Title

      Stoch. Proc. Their Appl.

      Volume: 129 Pages: 2991-3017

    • DOI

      10.1016/j.spa.2018.08.011

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Elliptic Harnack inequalities for symmetric non-local Dirichlet forms2019

    • Author(s)
      Z.-Q. Chen, T. Kumagai and J. Wang
    • Journal Title

      J. Math. Pures Appl.

      Volume: 125 Pages: 1-42

    • DOI

      10.1016/j.matpur.2017.10.011

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Generic point equivalence and Pisot numbers2019

    • Author(s)
      Shigeki Akiyama, Hajime Kaneko, Dong Han Kim
    • Journal Title

      Ergodic Theory and Dynamical Systems

      Volume: - Pages: -

    • DOI

      10.1017/etds.2019.46

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Corona limits of tilings : Periodic case2019

    • Author(s)
      Shigeki Akiyama, Jonathan Caalim, Katsunobu Imai and Hajime Kaneko
    • Journal Title

      Discrete & Computational Geometry

      Volume: 61 Pages: 626-652

    • DOI

      10.1007/s00454-018-0033-x

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] One-point function estimates for loop-erased random walk in three dimensions2019

    • Author(s)
      Xinyi Li and Daisuke Shiraishi
    • Journal Title

      Electronic Journal of Probability

      Volume: 24 Pages: -

    • DOI

      10.1214/19-EJP361

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Potential theoretic notions related to integrability of superharmonic functions and supertemperatures2019

    • Author(s)
      H. Aikawa
    • Journal Title

      Anal. Math. Phys.

      Volume: 9 Pages: 711-728

    • DOI

      10.1007/s13324-019-00323-9

    • Peer Reviewed
  • [Journal Article] Asymptotic behavior of lifetime sums for random simplicial complex processes2019

    • Author(s)
      Masanori Hino and Shu Kanazawa
    • Journal Title

      J. Math. Soc. Japan

      Volume: 71 Pages: 765-804

    • DOI

      10.2969/jmsj/79777977

    • Peer Reviewed
  • [Journal Article] Time Changes of the Brownian Motion: Poincare Inequality, Heat Kernel Estimate and Protodistance2019

    • Author(s)
      J. Kigami
    • Journal Title

      Memoirs of the American Math. Soc.

      Volume: 259 Pages: -

    • DOI

      10.1090/memo/1250

    • Peer Reviewed
  • [Presentation] Classification of generic random holomorphic dynamical systems associated with analytic families of rational maps2019

    • Author(s)
      H. Sumi
    • Organizer
      Thermodynamic Formalism; Applications to Geometry, Number Theory, and Stochastics
    • Int'l Joint Research / Invited
  • [Presentation] Heat kernel estimates and parabolic Harnack inequalities for symmetric Dirichlet forms2019

    • Author(s)
      T. Kumagai
    • Organizer
      Walking through the Brownian Zoo, Paris
    • Int'l Joint Research / Invited
  • [Presentation] Spiral Delone set2019

    • Author(s)
      S. Akiyama
    • Organizer
      Equidistribution: Arithmetic, Computational and Probabilistic Aspects
    • Int'l Joint Research / Invited
  • [Presentation] Scaling limit of uniform spanning tree in three dimensions2019

    • Author(s)
      D. Shiraishi
    • Organizer
      The 12th Mathematical Society of Japan, Seasonal Institute
    • Int'l Joint Research / Invited
  • [Presentation] Estimate of martingale dimension revisited2019

    • Author(s)
      M. HIno
    • Organizer
      ランダム力学系理論とフラクタル幾何学の研究
    • Int'l Joint Research
  • [Presentation] Ahlfors regular conformal dimension of compact metric spaces and parabolic index of infinite graphs2019

    • Author(s)
      J. Kigami
    • Organizer
      Heat Kernels, Stochastic Processes and Functional Inequalities, MFO
    • Int'l Joint Research / Invited
  • [Presentation] Ahlfors regular conformal dimension of compact metric spaces and parabolic index of infinite graphs2019

    • Author(s)
      J. Kigami
    • Organizer
      Canadian Math. Soc. Winter meeting
    • Int'l Joint Research / Invited
  • [Presentation] Sub-Gaussian heat kernel bounds imply singularity of energy measures2019

    • Author(s)
      N. Kajino
    • Organizer
      International Conference on Analysis and PDEs on Manifolds and Fractals
    • Int'l Joint Research / Invited

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Published: 2021-01-27  

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