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2008 Fiscal Year Final Research Report

Exact WKB analysis for simple-pole type oprators

Research Project

  • PDF
Project/Area Number 18740071
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Basic analysis
Research InstitutionKobe University (2007-2008)
Kyoto University (2006)

Principal Investigator

KOIKE Tatsuya  Kobe University, 大学院理学研究科, 准教授 (80324599)

Project Period (FY) 2006 – 2008
Keywords完全WKB 解析 / Borel 和 / 漸近解析 / 単純極型作用素
Research Abstract

完全WKB 解析における単純極型作用素の問題に取り組み、高階単純極型作用素の分解定理について論じた。
特に、係数が全て単純極であるような一番簡単な場合は二階の単純極型作用素と正則係数作用素に分解できることを示し、それを用いて単純極を端点とするStokes 曲線での接続係数を決定した。
それ以外の場合についても分解して得られる二階の単純極型作用素の決定を行なうなど、特異点における解析の進展に寄与した。

  • Research Products

    (18 results)

All 2009 2008 2007 2006

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (15 results)

  • [Journal Article] On new expressions of the Painlev´e hierarchies2008

    • Author(s)
      T. Koike
    • Journal Title

      K?oky?uroku Bessatsu B5

      Pages: 153-198

    • Peer Reviewed
  • [Journal Article] Virtual Turning Points ? A gift of microlocal analysis to the exact WKB analysis, Algebraic Analysis of Differential Equations2008

    • Author(s)
      T. Aoki, N. Honda, T. Kawai, T. Koike, Y. Nishikawa, S. Sasaki, A. Shudo, Y. Takei
    • Journal Title

      Springer

      Pages: 29-43

    • Peer Reviewed
  • [Journal Article] On the Hamiltonian structures of the second and the fourth Painlev´e hierarchies and degenerate Garnier systems2007

    • Author(s)
      T. Koike
    • Journal Title

      K?oky?uroku Bessatsu B2

      Pages: 99-127

    • Peer Reviewed
  • [Presentation] On the explicit forms of the Voros coefficients of the Coulomb potential in exact WKB analysis2009

    • Author(s)
      小池達也
    • Organizer
      超幾何方程式研究会2009 一般講演
    • Place of Presentation
      神戸大学
    • Year and Date
      2009-01-07
  • [Presentation] Asymptotic behavior of the hyperbolic Schwarz map at irregular singular points (joint work with T. Sasaki and M. Yoshida)2008

    • Author(s)
      T. Koike
    • Organizer
      Foundations of exact WKB analysis and resurgence theory
    • Place of Presentation
      関西セミナーハウス
    • Year and Date
      2008-12-15
  • [Presentation] On the explicit forms of the Voros coefficients of the Coulomb potential in exact WKB analysis2008

    • Author(s)
      T. Koike
    • Organizer
      Seminar on Singular Perturbations
    • Place of Presentation
      Special weeks on parametric resurgence、京都大学
    • Year and Date
      2008-09-29
  • [Presentation] Painlev´e hierarchies, degenerate Garnier systems and WKB analysis2008

    • Author(s)
      小池達也
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      特別講演, 東京工業大学
    • Year and Date
      2008-09-24
  • [Presentation] On the explicit forms of the Voros coefficients of the Coulomb potential in exact WKB analysis Workshop on New approach to analytic equations ? transformation theory2008

    • Author(s)
      T. Koike
    • Organizer
      singular solutions and Stokes problem
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2008-09-18
  • [Presentation] On the eigenvalue problem of the Coulomb potential and exact WKB analysis, InternationalWorkshop on Global Behaviors of Differential Equations2008

    • Author(s)
      T. Koike
    • Organizer
      Singularity and Transformation Theory?
    • Place of Presentation
      広島大学理学研究科,
    • Year and Date
      2008-09-10
  • [Presentation] P^34-hierarchy, degenerate Garnier systems and WKB analysis. 研究集会「完全WKB 解析と超局所解析2008

    • Author(s)
      T. Koike
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2008-05-27
  • [Presentation] クーロンポテンシャルに対する固有値問題と完全WKB 解析,2008

    • Author(s)
      小池達也
    • Organizer
      九州大学大学院数理科学研究院談話会
    • Place of Presentation
      九州大学
    • Year and Date
      2008-04-23
  • [Presentation] On the eigenvalue problem of the Coulomb potential and exact WKB analysis Holomorphic partial differential equations2008

    • Author(s)
      T. Koike
    • Organizer
      small divisors and summability
    • Place of Presentation
      CIRM(フランス)
    • Year and Date
      2008-01-29
  • [Presentation] 単純極型作用素の完全WKB 解析について2008

    • Author(s)
      小池達也
    • Organizer
      超幾何方程式研究会2008
    • Place of Presentation
      神戸大学
    • Year and Date
      2008-01-07
  • [Presentation] On Painlev´e hierarchies and the degenerate Garnier systems2007

    • Author(s)
      T. Koike
    • Organizer
      Differential Equations and Asymptotic Analysis
    • Place of Presentation
      京都大学数理解析研究所,
    • Year and Date
      2007-12-17
  • [Presentation] Higher order Painlev´e equations and the degenerate Garnier systems2007

    • Author(s)
      T. Koike
    • Organizer
      微分方程式系の代数解析と完全WKB 解析
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2007-12-13
  • [Presentation] クーロンポテンシャルに対する固有値問題と完全WKB 解析2007

    • Author(s)
      小池達也
    • Organizer
      神戸大学理学研究科数学教室談話会
    • Place of Presentation
      神戸大学
    • Year and Date
      2007-10-31
  • [Presentation] On the Hamiltonian representation of the second and fourth Painlev´e hierarchies2006

    • Author(s)
      小池達也:
    • Organizer
      京都解析コロキウム
    • Place of Presentation
      京都大学
    • Year and Date
      2006-06-17
  • [Presentation] On the Hamiltonian representation of the second and fourth Painlev´e hierarchies2006

    • Author(s)
      T. Koike
    • Organizer
      平成18 年度日仏セミナー「Algebraic, Analytic and Geometric Aspects of Complex Differential Equations and their Deformations, Painlev´e Hierarchies
    • Place of Presentation
      京都大学数理解析研究所,
    • Year and Date
      2006-05-16

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

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