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2008 Fiscal Year Final Research Report

Pattern formation arising in reaction-diffusion systems via variational methods

Research Project

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Project/Area Number 18740083
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Global analysis
Research InstitutionOkayama University

Principal Investigator

OSHITA Yoshihito  Okayama University, 大学院・自然科学研究科, 准教授 (70421998)

Project Period (FY) 2006 – 2008
Keywords変分法 / 非線形現象
Research Abstract

ある種の非線形偏微分方程式の解の構造に関する研究を行った.具体的には,活性因子・抑制因子型反応拡散方程式系の内部遷移層解の特異極限として現れる曲率依存型の界面方程式において,付随するエネルギー汎関数の変分解析とリャプノフ・シュミットの縮約法を組み合わせた手法により,領域の対称性を仮定せずに,連結で非対称非退化な解の存在を示し,さらに非線形楕円型偏微分方程式の解の線形化非退化性に関する研究を行った.

  • Research Products

    (21 results)

All 2008 2007 2006

All Journal Article (4 results) (of which Peer Reviewed: 3 results) Presentation (17 results)

  • [Journal Article] Uniqueness of standing waves for nonlinear Schroedinger equations2008

    • Author(s)
      Jaeyoung Byeon and Yoshihito Oshita
    • Journal Title

      Proc. Roy. Soc. Edinburgh Sect. A 138

      Pages: 975-987

    • Peer Reviewed
  • [Journal Article] 応用数理2007

    • Author(s)
      大下承民
    • Journal Title

      活性因子・抑制因子型反応拡散系の特異極限問題とパターン形成 17

      Pages: 215-226

    • Peer Reviewed
  • [Journal Article] Singular limit problem for some elliptic systems2007

    • Author(s)
      Yoshihio Oshita
    • Journal Title

      SIAM J. Math. Anal. 38

      Pages: 1886-1911

    • Peer Reviewed
  • [Journal Article] Singular limit problem for some elliptic systems2007

    • Author(s)
      大下承民
    • Journal Title

      2006, Surikaiseki Kokyuroku No. 1528

      Pages: 85-95

  • [Presentation] 非線形楕円型方程式の正値解の非退化性とmulti-bump 解2008

    • Author(s)
      大下承民
    • Organizer
      非線形現象の数値シミュレーションと解析2008
    • Place of Presentation
      北海道大学
    • Year and Date
      20080306-0307
  • [Presentation] Uniqueness of standing waves for nonlinear Schrodinger equations2008

    • Author(s)
      Yoshihito Oshita
    • Organizer
      Young Asian Conference on Partial Differential Equations
    • Place of Presentation
      POSTECH
    • Year and Date
      20080128-0129
  • [Presentation] Fine structures arising in diblock copolymers and reaction-diffusion systems2008

    • Author(s)
      Yoshihito Oshita
    • Organizer
      OxPDE Seminar
    • Place of Presentation
      University of Oxford
    • Year and Date
      2008-11-24
  • [Presentation] Existence of multi-bump standing waves with a critical frequency for nonlinear Schrodinger equations2008

    • Author(s)
      Yoshihito Oshita
    • Organizer
      Variational Methods for Elliptic PDE's and Hamiltonian Systems
    • Place of Presentation
      POSTECH
    • Year and Date
      2008-10-10
  • [Presentation] Hexagonal Patterns of Di-Block Copolymer Melts2008

    • Author(s)
      Yoshihito Oshita
    • Organizer
      SIAM Conference on Mathematical Aspects of Materials Science
    • Place of Presentation
      Philadelphia
    • Year and Date
      2008-05-12
  • [Presentation] Singular limit problem for some elliptic systems2008

    • Author(s)
      Yoshihito Oshita
    • Organizer
      Special Lecture
    • Place of Presentation
      Pusan National University
    • Year and Date
      2008-03-28
  • [Presentation] Singular limit problems for some elliptic systems2007

    • Author(s)
      大下承民
    • Organizer
      SIAM Conference on Analysis of Partial Differential Equations (PD07)
    • Place of Presentation
      Mesa
    • Year and Date
      20071210-1212
  • [Presentation] Singular limit problem for elliptic systems of activator-inhibitor type PDE seminar2007

    • Author(s)
      Yoshihito Oshita
    • Organizer
      National Taiwan Normal University
    • Place of Presentation
      Taipei
    • Year and Date
      2007-10-16
  • [Presentation] Singular limit problem for some elliptic problems PDE seminar2007

    • Author(s)
      Yoshihito Oshita
    • Organizer
      Pohang University of Science and Technology
    • Place of Presentation
      Pohang
    • Year and Date
      2007-03-28
  • [Presentation] Singularly perturbed nonlocal2006

    • Author(s)
      Yoshihito Oshita
    • Organizer
      variational problem SNP 2006
    • Place of Presentation
      京都
    • Year and Date
      2006-12-05
  • [Presentation] ある楕円型システムの特異極限問題2006

    • Author(s)
      大下承民
    • Organizer
      応用解析セミナー
    • Place of Presentation
      熊本
    • Year and Date
      2006-11-11
  • [Presentation] ある楕円型システムの特異極限問題2006

    • Author(s)
      大下承民
    • Organizer
      NSC12周年:非線形数理の現状と発展
    • Place of Presentation
      札幌
    • Year and Date
      2006-10-13
  • [Presentation] ある楕円型システムの特異極限問題2006

    • Author(s)
      大下承民
    • Organizer
      非線型の諸問題
    • Place of Presentation
      別府
    • Year and Date
      2006-09-29
  • [Presentation] 楕円型方程式系の特異極限問題2006

    • Author(s)
      大下承民
    • Organizer
      日本数学会
    • Place of Presentation
      大阪
    • Year and Date
      2006-09-21
  • [Presentation] Singular limit problem for some elliptic systems2006

    • Author(s)
      Yoshihito Oshita
    • Organizer
      Recent advances in Free Boundary Problemsand related topics
    • Place of Presentation
      Levico, Italy
    • Year and Date
      2006-09-15
  • [Presentation] Singular limit problem for some elliptic systems2006

    • Author(s)
      Yoshihito Oshita
    • Organizer
      変分問題とその周辺
    • Place of Presentation
      京都
    • Year and Date
      2006-06-21
  • [Presentation] 楕円型方程式系の特異極限問題2006

    • Author(s)
      大下承民
    • Organizer
      広島数理解析セミナー第98回
    • Place of Presentation
      東広島
    • Year and Date
      2006-05-19

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

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