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2013 Fiscal Year Final Research Report

Solvability and asymptotic behavior of solution for stochastic nonlinear dispersive equations

Research Project

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Project/Area Number 23654051
Research Category

Grant-in-Aid for Challenging Exploratory Research

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

Principal Investigator

TSUTSUMI YOSHIO  京都大学, 理学(系)研究科(研究院), 教授 (10180027)

Research Collaborator BOUARD Anne De  パリ理工科学校
Project Period (FY) 2011 – 2013
Keywords確率非線形分散型方程式 / Gibbs測度 / Kuksin流の不変測度 / 等温Falkモデル / 加法的ノイズ付きZkharov方程式 / 電離層における電磁場擾乱 / 時間大域解の存在
Research Abstract

If the scale or the measure is appropriately chosen, the volume of flows generated by evolution equations can be conserved. Such a measure is called an invariant measure. It is very important to construct an invariant measure, because the global behavior of solutions for nonlinear evolution equations can be investigated in view of the invariant measure. We have constructed two kinds of invariant measures, that is, the Gibbs measure and the measure proposed by Kuksin. We also have copared those two invariantmeasures. Furthermore, we have studied the Zakharov equations with additive noises, which is a mathematical model to describe a turbulence of spectrums of electromagnetic waves in the ionosphere. We have proved the global existence in time of solutions for the Cauchy problem of the Zakharove equations with additive noises.

  • Research Products

    (4 results)

All 2013 2011 Other

All Journal Article (2 results) Presentation (2 results) (of which Invited: 2 results)

  • [Journal Article] 1D quantic nonlinear Schrödinger with white noise dispersion2011

    • Author(s)
      Arnaud Debussche and Yoshio Tsutsumi
    • Journal Title

      Journal de Mathématiques Pures et Appliquées

      Volume: 96 Pages: 363-376

  • [Journal Article] Inavariant measures for the isothermal Falk model of shape memory alloys

    • Author(s)
      Yoshio Tsutsumi and Shuji Yoshikawa
    • Journal Title

      Mathematical Sciences and Applications

      Volume: (to appear)

  • [Presentation] Global existence of solutions for 1D Zakharov equations with additive noises2013

    • Author(s)
      Yoshio Tsutsumi
    • Organizer
      International Workshop on Differential Equations and its Applications
    • Place of Presentation
      台湾, 国立成功大学
    • Year and Date
      20130726-28
    • Invited
  • [Presentation] Global L^2 solutions of 1D Zakharov equations with additive noises2013

    • Author(s)
      Yoshio Tsutsumi
    • Organizer
      保存則を持つ偏微分方程式に対する解の正則性・特異性の研究
    • Place of Presentation
      京都大学数理解析研究所, 京都
    • Year and Date
      20130603-05
    • Invited

URL: 

Published: 2015-06-25  

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