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HARA Tadayuki  原 惟行

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原 惟行

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Researcher Number 20029565
Other IDs
External Links
Affiliation (based on the past Project Information) *help 2006 – 2008: 大阪府立大学, 工学研究科, 教授
2002 – 2003: 大阪府立大学, 大学院・工学研究科, 教授
2000 – 2002: 大阪府立大学, 工学研究科, 教授
1995 – 2002: 大阪府立大学, 工学部, 教授
2000: Osaka Pref.Univ., Coll.of Eng., Professor, 大学院・工学研究科, 教授
1992 – 1994: 大阪府立大学, 工学部, 助教授
1987: 大阪府立大学, 工学部, 助教授
Review Section/Research Field
Principal Investigator
解析学 / Global analysis
Except Principal Investigator
Basic analysis / 解析学 / General mathematics (including Probability theory/Statistical mathematics) / General mathematics (including Probability theory/Statistical mathematics)
Keywords
Principal Investigator
時間遅れを含む微分方程式 / 関数微分方程式 / Holling Type / Permanence / Global Asymptotic Stability / Prey-Predator Model / Delay Differential Equation / Functional Differential Equation / ホリング型 / パーマネンス … More / 大域的漸近安定 / 被食者・捕食者モデル / ロトカ・ヴォルテラ方程式 / 指数漸近安定 / ルンゲ・クッタ法 / Difference Equation / Lotka-Volterra Equation / 差分方程式 / 大域的漸近安定性 / 時間遅れをもつ微分方程式 / Ivlev Type / Lotka Volterra Equation / 微分差分方程式 / イブレフ型 / 終局有界性 / 振動的周期係数 / 差分微分方程式 … More
Except Principal Investigator
放物型 / 境界条件 / ソボレフ関数 / 調和 / ポテンシャル / 整関数 / 漸近挙動 / 境界値 / 時間遅れをもつ方程式 / 調和関数 / Dirichlet解 / 時間遅れ / 漸近安定性 / 安定性 / 関数微分方程式 / totally real set / 多項式凸性 / 0 / Influence on Characteristic roots by Parameters / Characteristic Equations / Asymptotic Stability / Two Kinds of Time Lags / Linear Differential Equations / パラメータの特性根への影響 / パラメータの特性方程式への影響 / 特性方程式 / 2種類の時間遅れ / 線形微分方程式 / permanence / chaos / time delays / differential equations / dynamical systems / mathematical biology / パーマネンス / カオス / 微分方程式 / 力学系 / 数理生物学 / capacity density condition / boundary Harnack principle / uniform domain / convex set / John domain / harmonic function / Martin boundary / Denjoy domain / ボルテラ型微分方程式 / 放物型方程式 / 多調和関数 / 容量密度条件 / 境界Harnack原理 / 一様領域 / 凸集合 / John領域 / Martin境界 / Denjoy領域 / positive solution / elliptic equation / self-adjoint equation / Euler equation / Lie^^'nard system / homoclinic orbit / limit cycle / separatrix / Markov過程 / Network / 調和測度 / Carleson測度 / 可積分性 / 非線型 / 優調和 / 確率過程 / 熱方程式 / 正値解 / 楕円型方程式 / 自己随伴型非線形微分方程式 / オイラー型方程式 / リエナール方程式系 / ホモクリニック軌道 / 極限閉軌道 / 分岐子 / ブラウン運動 / peakset / 近似問題 / 強擬凸性 / エージェント / マスター方程式 / 計算機シミュレーション / 人口移動 / 性感染症 / 数理疫学 / 数理モデル / ホップ分岐 / 大域的漸近安定性 / リミットサイクル / リエナール方程式 / 捕食者・被食者モデル / 定性的理論 / 常微分方程式 / 解軌道 / 近似公式 / 差分微分方程式 / 積分微分方程式 / 時間遅れを含む微分方程式 / ロバストネス / 逐次解析 / 共分散行列 / peak interpolation set / 関数環 / CR関 / 擬凸領域 / 正則関数 / 一様近似 / 漸近解法 / 近似理論 / 数値近似解法 / 積分方程式 Less
  • Research Projects

    (14 results)
  • Research Products

    (3 results)
  • Co-Researchers

    (31 People)
  •  Mathematical epidemic models of Chlamydial STD and Infertility

    • Principal Investigator
      TABATA Minoru
    • Project Period (FY)
      2006 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka Prefecture University
  •  Influence on Behavior of Solutions of Differential Equations by Two Kinds of Time Lags

    • Principal Investigator
      SAKATA Sadahisa
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Osaka Electro-Communication University
  •  Synthetic Study on Dynamical Systems in Mathematical Biology

    • Principal Investigator
      TAKEUCHI Yasuhiro
    • Project Period (FY)
      2001 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Shizuoka University
  •  Interdisciplinary research on complicated sets related to functional equations

    • Principal Investigator
      AKIKAWA Hiroaki
    • Project Period (FY)
      2000 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Basic analysis
    • Research Institution
      Shimane University
  •  Interdisciplinary research on potential analysis

    • Principal Investigator
      SUGIE Jitsuro
    • Project Period (FY)
      1999 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Basic analysis
    • Research Institution
      Shimane University
  •  Theoretical Study of the Functional Differential Equations using Computer SimulationPrincipal Investigator

    • Principal Investigator
      HARA Tadayuki
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Global analysis
    • Research Institution
      Osaka Prefecture University
  •  時間遅れをもつ数理生態系モデルの定性的理論

    • Principal Investigator
      SUGIE Jitsuro
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Basic analysis
    • Research Institution
      Shimane University
  •  Theoretical and Numerical Study of the Functional Differential EquationsPrincipal Investigator

    • Principal Investigator
      HARA Tadayuki
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Osaka Prefecture University
  •  関数微分方程式の解の定性的研究とその応用

    • Principal Investigator
      米山 俊昭
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Osaka Prefecture University
  •  関数微分方程式の定性的及び数値解析的研究Principal Investigator

    • Principal Investigator
      原 惟行
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Osaka Prefecture University
  •  推定量及び検定のロバストネスとその応用

    • Principal Investigator
      長尾 壽夫
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka Prefecture University
  •  多変数複素解析学の研究

    • Principal Investigator
      阪井 章
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Osaka Prefecture University
  •  数値解析の基礎理論および関数方程式の数値近似解の解析への応用

    • Principal Investigator
      早川 款達郎
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka Prefecture University
  •  多変数複素解析学の研究

    • Principal Investigator
      阪井 章
    • Project Period (FY)
      1987
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Osaka Prefecture University

All 2004 Other

All Journal Article

  • [Journal Article] Stability regions for linear differential equations with two kinds of time lags2004

    • Author(s)
      S.Sakata, T.Hara
    • Journal Title

      Funkcial.Ekvac 47

      Pages: 129-144

    • NAID

      130000141123

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304006
  • [Journal Article] Stability regions for linear differential equations with two kinds of time lags2004

    • Author(s)
      S.Sakata, T.Hara
    • Journal Title

      Funkcial.Ekvac. 47

      Pages: 129-144

    • NAID

      130000141123

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304006
  • [Journal Article] Mate-choice copying as Bayesian decision making

    • Author(s)
      Uehara, T.
    • Journal Title

      American Naturalist (In press)

    • Data Source
      KAKENHI-PROJECT-13304006
  • 1.  長尾 寿夫 (80033869)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 2.  早川 款達郎 (10028201)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 3.  MIYAZAKI Rinko (40244660)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 4.  YONEYAMA Toshiaki (40175021)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 5.  SUGIE Jitsuro (40196720)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 6.  阪井 章 (70029627)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 7.  城崎 学 (80226331)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  狩野 裕 (20201436)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  栗木 進二 (00167389)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 10.  TAKEUCHI Yasuhiro (20126783)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  FURUMOCHI Tetsuo (40039128)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 12.  MA Wanbiao (30305651)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 13.  MIZUTA Yoshihiro (00093815)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 14.  YAMASAKI Maretsugu (70032935)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 15.  AIKAWA Hiroaki (20137889)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 16.  MURATA Minoru (50087079)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 17.  SAKATA Sadahisa (60175362)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 18.  小山 英之 (20109888)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  TABATA Minoru (70207215)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  金子 宏 (90194919)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  山縣 秀雄 (40081418)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  福島 正俊 (90015503)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  酒井 良 (70016129)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  MIMURA Masayasu (50068128)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  IWASA Yoh (70176535)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  NAMBA Toshiyuki (30146956)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  INABA Satoshi (80282531)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  YAMAHARA Hideo (30103344)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  MANDAI Takesi (10181843)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  ASAKURA Fumioki (20140238)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 31.  NAGABUCHI Yutaka (60252607)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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