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Global property of solutions of delay equations and spectral analysis

Research Project

Project/Area Number 19740071
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Basic analysis
Research InstitutionOsaka Prefecture University

Principal Investigator

MATSUNAGA Hideaki  Osaka Prefecture University, 工学研究科, 准教授 (40332960)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥1,940,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥900,000 (Direct Cost: ¥900,000)
Keywords時間遅れ / 微分方程式 / 差分方程式 / 漸近安定性 / 安定領域 / 特性方程式 / 特性根 / 相空間 / 安定性 / 大域的吸収性
Research Abstract

本研究では時間遅れをもつ方程式の解の大域的性質とスペクトル解析に関する研究を行い,(1)特定の項にのみ時間遅れをもつ線形微分方程式系の零解の漸近安定性,および(2)無限の時間遅れをもつ関数微分方程式系の解の漸近同値性について,新しい研究成果が得られた。また,(1)の研究成果を特定の項にのみ時間遅れをもつ或る数理モデルに応用し,従来見逃されていた解の漸近的性質における時間遅れの影響を解明することができた。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (31 results)

All 2009 2008 2007 Other

All Journal Article (15 results) (of which Peer Reviewed: 14 results) Presentation (13 results) Book (2 results) Remarks (1 results)

  • [Journal Article] Stability switches in a system of linear differential equations with diagonal delay2009

    • Author(s)
      H. Matsunaga
    • Journal Title

      Appl. Math. Comput vol. 212

      Pages: 145-152

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stability criteria for a class of linear differential equations with off-diagonal delays2009

    • Author(s)
      M. Suzuki and H. Matsunaga
    • Journal Title

      Discrete Contin. Dyn. Syst vol. 24

      Pages: 1381-1391

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stability criteria for a class of linear differential equations with off-diagonal delays2009

    • Author(s)
      M. Suzuki and H. Matsunaga
    • Journal Title

      Discrete and Continuous Dynamical Systems 24(印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stability switches in a system of linear differential equations with diagonal delay2009

    • Author(s)
      H. Matsunaga
    • Journal Title

      Applied Mathematics and Computation 212(印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Delay-dependent and delay-independent stability criteria for a delay differential system2008

    • Author(s)
      H. Matsunaga
    • Journal Title

      Proc. Amer. Math. Soc vol. 136

      Pages: 4305-4312

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Perron type theorems for functional differential equations with infinite delay in a Banach space2008

    • Author(s)
      K. Matsui, H. Matsunaga and S. Murakami
    • Journal Title

      Nonlinear Anal vol. 69

      Pages: 3821-3837

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Perron type theorems for functional differential equations with infinite delay in a Banach space2008

    • Author(s)
      K. Matsui, H. Matsunaga and S. Murakami
    • Journal Title

      Nonlinear Analysis 69

      Pages: 3821-3837

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Delay-dependent and delay-independent stability criteria for a delay differential system2008

    • Author(s)
      H. Matsunaga
    • Journal Title

      Proceedings of the American Mathematical Society 136

      Pages: 4305-4312

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Perron type theorems for nonlinear functional difference equations2007

    • Author(s)
      K. Matsui and H. Matsunaga
    • Journal Title

      数理解析研究所講究録「現象からの関数方程式」 1547

      Pages: 94-99

    • Related Report
      2008 Final Research Report
  • [Journal Article] The limits of the solutions of a linear delay difference system, Difference Equations, Special Functions and Orthogonal Polynomials: Proceedings of the International Conference2007

    • Author(s)
      H. Matsunaga
    • Journal Title

      World Scientific

      Pages: 404-411

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Global attractivity for a nonlinear differential equation with unbounded delay2007

    • Author(s)
      H. Matsunaga
    • Journal Title

      Inter. J. Qualitative Theory Differential Equations Appl. vol. 1

      Pages: 1-7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Exact stability criteria for delay differential and difference equations2007

    • Author(s)
      H. Matsunaga
    • Journal Title

      Appl. Math. Lett vol. 20

      Pages: 183-188

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Exact stability criterria for delay sifferential and difference equations2007

    • Author(s)
      H.Matsunaga
    • Journal Title

      Applied Mathematics Letters 20

      Pages: 183-188

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Global attractivity for a nonlinear differential equation with unbounded delay2007

    • Author(s)
      H.Mastunaga
    • Journal Title

      International Journal of Qualitative Theoty of Differential Equation and Applications 20

      Pages: 1-7

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Delay-dependent and delay-independent stability criteria for a delay differential system

    • Author(s)
      H.Mastunaga
    • Journal Title

      Proceedings of American Mathematical Society (印刷中)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 特定の項に時間遅れをもつ方程式の漸近安定性2009

    • Author(s)
      松永秀章
    • Organizer
      研究集会「微分方程式の定性的理論ワークショップ」
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2009-03-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Delay-dependent and delay-independent stability criteria for delay differential equations2009

    • Author(s)
      H. Matsunaga
    • Organizer
      International Conference on Differential and Difference Equations
    • Place of Presentation
      Veszprem, Hungary
    • Related Report
      2008 Final Research Report
  • [Presentation] ある線形微分方程式系の漸近安定性に対する対角成分の時間遅れの影響2008

    • Author(s)
      松永秀章,橋本浩樹,原惟行
    • Organizer
      日本数学会2008年度秋季総合分科会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-24
    • Related Report
      2008 Final Research Report
  • [Presentation] ある線形微分方程式系の漸近安定性に対する対角成分の時間遅れの影響2008

    • Author(s)
      松永秀章, 橋本浩樹, 原惟行
    • Organizer
      日本数学会2008年度秋季総合分科会函数方程式論分科会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] Stability switches in a linear differential equation with diagonal delay2008

    • Author(s)
      松永秀章
    • Organizer
      研究集会「札幌医科大学における微分方程式セミナー」
    • Place of Presentation
      札幌医科大学
    • Year and Date
      2008-09-02
    • Related Report
      2008 Final Research Report
  • [Presentation] Perron type theorems for functional differential equations with infinite delay in a Banach space2008

    • Author(s)
      松井和幸,松永秀章,村上 悟
    • Organizer
      日本数学会2008年度年会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Perron type theorems for functional differential equations with infinite delay in a Banach space2008

    • Author(s)
      松井 和幸, 松永 秀章, 村上 悟
    • Organizer
      日本数学会2008年度年会函数方程式論分科会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] 時間遅れをもつ2次元微分方程式系の解の振動性2008

    • Author(s)
      松永秀章,高橋千尋
    • Organizer
      研究集会「微分方程式の定性的理論ワークショップ」
    • Place of Presentation
      徳島大学
    • Year and Date
      2008-03-02
    • Related Report
      2008 Final Research Report
  • [Presentation] 非線形微分方程式に対するペロン型の定理について2008

    • Author(s)
      松永秀章,中野佑亮
    • Organizer
      研究集会「微分方程式の定性的理論ワークショップ」
    • Place of Presentation
      徳島大学
    • Year and Date
      2008-03-01
    • Related Report
      2008 Final Research Report
  • [Presentation] Stability criteria for a class of linear differential systems with off-diagonal delays2007

    • Author(s)
      鈴木正克,松永秀章,原 惟行
    • Organizer
      RIMS研究集会「関数方程式論におけるモデリングと複素解析」
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2007-11-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Asymptotic stability for a linear differential system with distributed delays in diagonal terms2007

    • Author(s)
      橋本浩樹,松永秀章,原 惟行
    • Organizer
      RIMS研究集会「関数方程式論におけるモデリングと複素解析」
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2007-11-05
    • Related Report
      2008 Final Research Report
  • [Presentation] 時間遅れをもつ方程式の解の漸近的性質について(招待講演)2007

    • Author(s)
      松永秀章
    • Organizer
      日本数学会2007年度秋季総合分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 時間遅れをもつ方程式の解の漸近的性質について(特別講演)2007

    • Author(s)
      松永 秀章
    • Organizer
      日本数学会2007年度秋季総合分科会函数方程式論分科会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-21
    • Related Report
      2007 Annual Research Report
  • [Book] 複素解析入門2007

    • Author(s)
      原惟行, 松永秀章
    • Publisher
      共立出版
    • Related Report
      2008 Final Research Report
  • [Book] 複索解析入門2007

    • Author(s)
      原 惟行, 松永秀章
    • Total Pages
      147
    • Publisher
      共立出版
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.ms.osakafu-u.ac.jp/~hideaki/index-j.html

    • Related Report
      2008 Final Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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