OKA Yukimasa 岡幸正

Researcher Number	50089140
Affiliation (based on the past Project Information) *help	2002 – 2004: 熊本大学, 理学部, 助教授 1989 – 1998: 熊本大学, 理学部, 助教授 1986: Faculty of Science, Kumamoto University, 理学部, 助教授
Review Section/Research Field	Principal Investigator 解析学 Except Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / 解析学 / Geometry / 代数学・幾何学 / Global analysis / Algebra
Keywords	Principal Investigator 状態の可換性 / エルゴード性 / 不変状態 / C^-力学系 / 非可換力学系 / 作用素環 Except Principal Investigator Uniformization / homology / de Rham cohomology / confluence … More / de Rham theory / hypergeometric / Contactization / Geometric structure / 標準表現 / ブラウン運動 / ガウス過程 / 接続問題 / モノドロミ-群 / 数式処理 / rigid local system / flat basis / cohomology / Carnot-Caratheodory / 一般超幾何関数 / stratification / regular element / Lie algebra / special function / CR-structure / Vanishing curvature / Symplectic structure / Weyl Curvature tensor / Pseudo-Hermitian Structure / Deformation / innovation / 超幾何関数 / 幾何構造 / ドラム・コホモロジー / ストークス現象 / パフィアン系 / 超幾何微分方程式系 / 逐次推定 / Bruwnian motoon / canonical representation / Gaussian processes / ホワイトノイズ / イノベイション / accessory parameter / deformation of differential equations / arrangement of hyperplanes / hypergeometric function / 積分表示 / 超幾何変数 / 合流 / アクセサリー・パラメター / 微分方程式の変形 / 超平面配置 / rigid局所系 / Asymptotic efficiency / Simultaneous confidence interval / Bounded risk problem / Confidence region / Two-stage procedure / Sequential estimation / 非対称損失関数 / 二段階推定法 / 多変量正規分布 / 二標本問題 / 逐次解析 / 漸近有効 / 瀬近有効 / 同時信頼区間 / 有界リスク問題 / 信頼領域 / 二段階法 / quadratic relation / intersection theory / Gauss hypergeometric / general hypergeometric function / Okubo system / Airy / 交点数 / 二次関形式 / ガンマ関数 / 二次関係式 / 交点理論 / ガウス超幾何関数 / de Rham 理論 / Sasakian Structure / Quaternionic Hyperbolic geometry / Complex Surfaces / Superrigidity / Pseudo-quaternionic structure / Global deformation / Integrability / Locally conformal Kahler structure / CR-構造 / Chern-Moser-Webster曲率テンサー / 局所共形変換群 / locally conformal Kahler構造 / 積分可能性 / Cauchy-Riemann構造 / 共形構造 / spherical pseudo-quaternion / 剛耐性 / 4元数幾何構造 / 4元数双曲群 / 佐々木構造 / Carnot-Caratheodory構造 / Weyl曲率テンサー / Bochner曲率テンサー / 局所共形ケーラー / 共形不変量 / 鞍部点法 / holonomic系 / conomology / Airy関数 / Grassmann多様体 / Conformal atructure / Pseoudo-Hermiyian structure / CR構造 / uniformization / 曲率関数Λ / モデル空間(G,X) / ローレンツ計量 / Weyl曲率tensor / Contact form / pseudo-Hermitian構造 / Conformal structure / CR structure / Vanishing / Pseoudo-Hermitian structure / Curvaturelike Function LAMBDA / Lorentz Structure / Causality / Characteristic CR Vector Field / Contact Structure / Lorentz Causa領 Character / Killingベクトル場 / Spherical CR構造 / ロ-レンツhyperbolic構造 / ロ-レンツflat構造 / ロ-レンツspherical構造 / SEMI-RIEMANN計量 / ONEパラメ-タ-等長群 / ロ-レンツ平坦構造 / CHRONOLOGY条件 / 基本群 / ホロノミ-群 / AFFINE FLAT構造 / CAUSALITY / Diformation / Sasakian space form / Curvaturelike function / Seifert fiber space / Spherical CR Structure / Conformally flat structure / Curvaturelike fonction / Pseudo-Hermition Structure / Causal Killing field / Lorents structure / stochastic equation. / stochastic integral / filtering / Canonical representation / Brownian motion / Gaussian process / 多重マルコフ過程 / マルチンゲ-ル / 再生核ヒルベルト空間 / 新生過程 / 確率微分方程式 / 確率積分 / 新生温程 / フィルタリング / 大域的解析 / モデル空間 / Seifert予想 / 大域的剛体性 / 幾何学流れ / 四元数双曲幾何 / CR幾何学 / 共形幾何学 / Hardyの不等式 / Lee-Wiener回路 / ボルテラ型積分作用素 / C^-力学系 / 合流操作 / 形式的巾級数解 / S-N分解 / 微分方程式の既約性 / フックス型微分方程式 / Sylowの定理 / Frobenicsの定理 / モジュラー表現 / Mackey 関手 / Burnside 環 / 有限群 / 推定方法の改良 / エルゴ-ト性 / パレ-スメ-ル条件 / 峠の補題 / 変分法 / 力学系 / 楕円型方程式 / 非線形 / 代数微分方程式 / 微分ガロア理論 / リ-pseuclo群 / 微分Galois理論 Less

Stratification, exterior power structure, asymptotic behavior and connection coefficients for confluenthypergeometric functions
- Principal Investigator
  
  HARAOKA Yoshishige
- Project Period (FY)
  2001 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Global analysis
- Research Institution
  Kumamoto University
Theoretical Research of Sequential Analysis and its Applications
- Principal Investigator
  
  TAKADA Yoshikazu
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kumamoto University
Topological method in Differential Geometry and Conformal theory
- Principal Investigator
  
  KAMISHIMA Yoshinobu
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Department of mathematics, Kumamoto University
Toward a unified theory of special functions of several variables
- Principal Investigator
  
  KIMURA Hironobu
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Department of Mathematics, Kumamoto University
種々の幾何構造に於ける共形不変性
- Principal Investigator
  
  神島芳宣
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kumamoto University
数式処理による微分方程式の研究
- Principal Investigator
  
  河野實彦
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kumamoto University
Toward a unified theory special functions of several variables
- Principal Investigator
  
  KIMURA Hironobu
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  解析学
- Research Institution
  Department of Mathematics, Kumamoto University
完全積分可能な偏微分方程式系の研究
- Principal Investigator
  
  河野實彦
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kumamoto University
ガウス過程の表現と積分方程式
- Principal Investigator
  
  櫃田倍之
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kumamoto University
微分方程式の数式処理システムの研究
- Principal Investigator
  
  河野實彦
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kumamoto University
Mutual Invariance between Geometric Structures and Toplogical Structures on Manifolds
- Principal Investigator
  
  KAMISHIMA Yoshinobu
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kumamoto University
群論の古典的問題とその関連分野
- Principal Investigator
  
  YOSHIDA Tomoyuki
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kumamoto University
位相代数上の調和解析Principal Investigator
- Principal Investigator
  
  岡幸正
- Project Period (FY)
  1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kumamoto University
逐次的方法による推定量の構成とその性質の研究
- Principal Investigator
  
  高田佳和
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kumamoto University
Existence and Deformation of Geometric Stuctures on Manifolds
- Principal Investigator
  
  KAMISHIAM Yoshinobu
- Project Period (FY)
  1991 – 1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Department of mathematics, Kumamoto University
Galois理論の一般化とその解析学への応用
- Principal Investigator
  
  梅村浩
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Kumamoto University
非線形楕円型微分方程式とその周辺
- Principal Investigator
  
  吉田清
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kumamoto University
無限次元微分Galois理論
- Principal Investigator
  
  梅村浩
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Kumamoto University
Separation and Fusion of Information in Stochastic Processes.
- Principal Investigator
  
  HITSUDA Masuyuki
- Project Period (FY)
  1989 – 1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kumamoto University
Representation of stochastic processes and the limit theorem.
- Principal Investigator
  
  HITSUDA Masuyuki
- Project Period (FY)
  1985 – 1986
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Faculty of Science, Kumamoto University

All 2004 2003 2002 2001 Other

All Journal Article Book

[Book] 超幾何関数2002
- Author(s)
  原岡喜重
- Total Pages
  197
- Publisher
  朝倉書店
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Book] Hypergeometric functions2002
- Author(s)
  Yoshishige Haraoka
- Total Pages
  197
- Publisher
  Asakura Publishers
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] On confluences of hypergeometric integrals2004
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Kumamoto J.Math. 17
  
  Pages: 1-8
- NAID
  110001066604
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Quiverの表現とmonodromy保存変形2004
- Author(s)
  原岡喜重
- Journal Title
  
  数理解析研究所講究録 1367
  
  Pages: 103-109
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Representations of quivers and monodromy preserving deformations2004
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  RIMS Kokyuroku 1367
  
  Pages: 103-109
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] On confluences of hypergeometric integrals2004
- Author(s)
  Y.Haraoka
- Journal Title
  
  Kumamoto J.Math. 17
  
  Pages: 1-8
- NAID
  110001066604
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Evaluation of Stokes multipliers for a certain systems of differential equations corresponding to a rigid local system2003
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Funkcialaj Ekv acioj 46(2)
  
  Pages: 187-211
- NAID
  130000141038
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Evaluation of Stokes multipliers for a certain system of differential equations corresponding to a rigid local system2003
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Funkcialaj Ekvacioj 46・2
  
  Pages: 187-211
- NAID
  130000141038
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Integral representations of solutions of differential equations fee from accessory parameters2002
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Adv.Math. 169
  
  Pages: 187-240
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Integral local systems2002
- Author(s)
  原岡喜重
- Journal Title
  
  数理解析研究所講究録 1296
  
  Pages: 1-8
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Integral representations of solutions of differentual equations free from accessory parameters2002
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Adv.Math. 169
  
  Pages: 187-240
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Integral local systems2002
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  RIMS Kokyuroku 1296
  
  Pages: 1-8
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Connection problem for Birkhoff-Okubo systems2001
- Author(s)
  原岡喜重
- Journal Title
  
  数理解析研究所講究録 1239
  
  Pages: 1-10
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Connection problem for Birkhoff-Okubo systems2001
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  RIMS Kokyuroku 1239
  
  Pages: 1-10
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Construction of rigid local systems and integral representations of their sections
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Math.Nachr. (発表予定)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Construction of rigid local systems and integral representations of their sections
- Author(s)
  Yoshishige Haraoka
- Journal Title
  
  Math.Nachr. (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13440057
[Journal Article] Construction of rigid local systems and integral representation of their sections
- Author(s)
  Y.Haraoka
- Journal Title
  
  Math.Nachr. (発表予定)
- Data Source
  KAKENHI-PROJECT-13440057

1. KOHNO Mitsuhiko (30027370)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
2. KAMISHIAM Yoshinobu (10125304)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
3. TAKADA Yoshikazu (70114098)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
4. HARAOKA Yoshishige (30208665)

# of Collaborated Projects: 7 results

# of Collaborated Products: 17 results
5. YAMAMOTO Sunao (50040100)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
6. HITSUDA Masuyuki (50024237)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
7. KIMURA Hironobu (40161575)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
8. 前橋敏之 (90032804)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
9. YOSHIDA Kiyoshi (80033893)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
10. YOSHIDA Tomoyuki (30002265)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
11. YAMAKI Hiroyoshi (60028199)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
12. 梅村浩 (40022678)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
13. OSHIMA Yoichi (20040404)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. YAMADA Kotaro (10221657)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
15. 菱田俊明 (60257243)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
16. 相川弘明 (20137889)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
17. SAISHO Yasumasa (70195973)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. IKEDA Kaoru (40232178)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. OKAMOTO Kazuo (40011720)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. YOKOYAMA Takahisa (20240864)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SAKATA Toshio (20117352)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. KIMURA Hironobu (40161517)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. FURUSHIMA Mikio (00165482)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. INOUE Hisao (40145272)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 百武弘登 (70181120)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 村田實 (50087079)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 大脇信一 (50040506)

# of Collaborated Projects: 1 results

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28. 上村豊 (50134854)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OKA Yukimasa 岡 幸正

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OKA Yukimasa 岡幸正