HATA Masayoshi 畑政義

… Alternative Names

畑正義ハタマサヨシ

畑政義

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Researcher Number	40156336
Other IDs
Affiliation (based on the past Project Information) *help	2007 – 2009: Kyoto University, 大学院・理学研究科, 准教授 2006: 京都大学, 大学院理学研究科, 助教授 2003 – 2005: Kyoto Univ., GraduateSchool of Science, Ass.Prof., 大学院・理学研究科, 助教授 1992 – 2002: 京都大学, 総合人間学部, 助教授 1992: Kyoto Univ.,Integrated Human Studies,Assistant Professor, 助教授 1991: 京都大学, 教養部, 助教授 1988: 京都大学, 理学部, 助手
Review Section/Research Field	Principal Investigator 解析学 / Basic analysis / Basic analysis Except Principal Investigator 解析学 / Algebra / Basic analysis / General mathematics (including Probability theory/Statistical mathematics) / 代数学・幾何学
Keywords	Principal Investigator 超越数 / 無理数度 / Pade approximation / パデ近似 / Irrationality / ゼータ関数 / 無理数 / Salem数 / Pisot数 / 小数部分 … More / 有理近似 / マーラー関数 / Fractional parts / Rational approximation / Uniform distribution / Salem numbers / Pisot numbers / Algebraic integers / Transcendental numbers / Kronecker行列式 / 代表的整数 / Mahler測度 / 有利近似 / 一様分布 / 代数的整数 / zeta function / polylogarithm / hypergeometric function / transcendency / continued fraction / linear independence / irrationality measure / 9-関数 / 近似 / 多項式 / G関数 / モノドロミー理論 / Pade近似 / Diophantine inequality / Saddle points / Bernoulli numbers / Trans cendence / Metric Property / Fredholm series / Polylogarithms / Roth-Ridont theorem / Transcendence / Linear independence / 多重対数関数 / 超幾何関数 / 連分数 / 一次独立 / Gaussian process / Riemann zeta function / Julia set / Complex dynamical system / Saddle point method / Legendre polynomial / モノドロミ-保存変形 / 準楕円性 / Navier-Stokes流 / ADSL / 保型形式 / 進化ゲーム理論 / サドル法 / ガウス過程 / ジュリア集合 / 複素力学系 / 鞍部点法 / ルジャンドル多項式 / 素数定理 / MAHLER測度 / 幾何数列 / HERMITE積分 / PADE近似 / SALEM数 / PISOT数 / 数論 / 動的パターン投影法 / Dirichlet形式 / Ecalle理論 / パスプランニング / Caianiello方程式 / リュエル作用素 / スペクトル / ラプラシアン / 神経回路モデル / 力学系 / 超越数論 / 自己相似集合 / フラクタル / 二重対数関数 / 一次元力学系 / 和公式 / 対数関数 / ヂォファントス近似 / SiegelのE関数.G関数 / 見本関数 / Farey分数 / L関数 / マンデルブロー集合 … More Except Principal Investigator 準楕円型作用素 / セルオートマトン / 準楕円性 / Wick calculus / ディオファンタス近似 / オイラー流 / 平衡分布 / 算術幾何平均 / hypaellipticity / Schrodinger equation / Fefferman-Phong inegality / semiliner Dirichlet problem / Sobolev inequality of logarithmic type / microlocal analysis / infinitely degenerate / 双曲型方程式 / 強一意性定理 / schodinger方程式 / 半線型楕円型方程式 / sololev不等式 / 対数型 / 双極性 / 楕円型方程式 / Wick作用素 / key wards / Schodinger方程式 / 最大値原理 / 対数型ソボレフ不等式 / 退化Monge-Ampere方程式 / Schrodinger方程式 / Fefferman-Phong不等式 / 半線形Diriclet問題 / 対数型Sobolev不等式 / 超局所解析 / 無限次退化 / geometric invariant theory / theta correspondence / nilpotent orbit / associated cycle / associated variety / unitary representation / semisimple Lie group / 球等質空間 / 概均質ベクトル空間 / reductive dual pair / 半単純群の表現論 / 幾何学的不変式論 / テータ対応 / 巾零軌道 / 随伴サイクル / 随伴多様体 / ユニタリ表現 / 半単純リー群 / Toda lattice / conformal field theory / solvable spin system / topological field theory / supersymmetric field theory / isomonodromic deformation / Whitham deformation / integrable system / 複素力学系 / 表現論 / 位相不変量 / ゲージ理論 / 超対称性 / 有限次元可積分系 / モノドロミー保存変形 / 共形場理論 / 戸田格子 / 共系場理論 / 可解スピン系 / 位相的ゲージ理論 / 超対称ゲージ理論 / 等モノドロミー変形 / Whitham変形 / 可積分系 / saddle method / spectre / Ruelle operator / Gevrey order / Huyghens principle / smoothing effect / Egorov type / Hypoellipticity / 固有値 / 自己相似 / サドル法 / 吸引領域 / Banach scale / 退化楕円型 / ガウス算術平均 / 不動点 / 再生関数 / Navies-Stokes / Wick calculus. / Gevrey class / 擬微分作用素 / 準惰性円 / 鞍部点法 / スペクトル / Ruelle作用素 / Gevrey指数 / ホイヘンス原理 / 平滑化効果 / Egorov型 / Diophantine approximation / Dolbeault lemma / Einstein-Kahler metric / Kahler manifold / invriant differential operator / Grassmann manifold / ラドン変換 / モジュライ / ハイバ-ケ-ラ-空間 / ケ-ラ-多様体 / ドルボー補題 / アインシュタイン・ケーラー計量 / ケーラー多様体 / 不変微分作用素 / グラスマン多様体 / PISTON PROB. / VISCONS GAS / INTERVAL ANALYSIS / COMPUTER PROOF / PERIODIC SOLUTIONS / DUFFING EQUATION / 非線形現象 / 自己相似過程 / 滞在時間 / フラクタル / 確率過程 / 非線形力学系 / 非線形波動 / 非線形可積分系 / 漸近展開 / 複素算術幾何平均 / 非2次無理数度 / グルサ-問題 / 4次元多様体 / 多次元Schrodinger作用素 / 接続問題 / 微分不可能関数 / beyond all orders / Borel総和法 / 非線形固有値問題 / matched asymptotics / 特異点 / ホモロジー代数. / 有限次元多元環の表現論 / Gorenstein環. / Cohen-Macaulay加群 / 局所環、 / Lagrange plane / カオス / 電気回路網 / 自己相似関数 / 二重対数関数 / 楕円曲面 / 局所可解性 Less

Analytic Study for Pisot and Salem numbersPrincipal Investigator
- Principal Investigator
  
  HATA Masayoshi
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Kyoto University
Research for rational approximation to transcendental numbersPrincipal Investigator
- Principal Investigator
  
  HARA Masayoshi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  KYOTO UNIVERSITY
Analytical research for transcendental numbersPrincipal Investigator
- Principal Investigator
  
  HATA Masayoshi
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Kyoto University
the positivity of degenerate elliptic operators and the microlocal analysis on solutions for partial differentiai equations
- Principal Investigator
  
  MORIMOTO Yoshinori
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  KYOTO UN IVERSITY
Theta correspondence and associated cycles
- Principal Investigator
  
  NISHIYAMA Kyo
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  KYOTO UNIVERSITY
Finite dimensional integrable structure in systems with infinite degree of freedom
- Principal Investigator
  
  TAKASAKI Kanehisa
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  KYOTO UNIVERSITY
フラクタル理論と超越数論の組織的研究Principal Investigator
- Principal Investigator
  
  畑政義
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  解析学
- Research Institution
  Kyoto University
Pade type approximation and its application to the number theoryPrincipal Investigator
- Principal Investigator
  
  HATA Masayoshi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  解析学
- Research Institution
  KYOTO UNIVERSITY
Microlocal analysis for operators with infinite degeneracy
- Principal Investigator
  
  MORIMOTO Yoshinori
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  解析学
- Research Institution
  KYOTO UNIVERSITY
可換環論とその表現の研究
- Principal Investigator
  
  西和田公正
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kyoto University
有理近似および超越数の研究Principal Investigator
- Principal Investigator
  
  畑政義
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto University
漸近解析的方法による非線形問題の研究
- Principal Investigator
  
  高崎金久
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto University
現象解析の数理的研究
- Principal Investigator
  
  河野敬雄
- 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
  Kyoto University
可換環の表現とホモロジー代数の研究
- Principal Investigator
  
  吉野雄二
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kyoto University
数理科学の諸分野に現れる漸近解析的問題の研究
- Principal Investigator
  
  TAKASAKI Kanehisa
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto University
自然現象の数学解析的総合研究
- Principal Investigator
  
  河野敬雄
- 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
  Kyoto University
超越数の研究Principal Investigator
- Principal Investigator
  
  畑政義
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto University
擬微分作用素の正値性と微分方程式の解の超局所解析
- Principal Investigator
  
  森本芳則
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto University
Study on global structures of manifolds.
- Principal Investigator
  
  IMANISHI Hideki
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  KYOTO UNIVERSITY
数理物理学に現れる偏微分方程式の解の研究
- Principal Investigator
  
  西田孝明
- Project Period (FY)
  1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto University

All 2010 2009 2007 2005

All Journal Article Presentation Book

[Book] World Scientific2007
- Author(s)
  Masayoshi Hata
- Total Pages
  302
- Publisher
  Problems and Solutions in Real Analysis
- Data Source
  KAKENHI-PROJECT-18540172
[Book] PROBLEMS AND SOLUTIONS IN REAL ANALYSIS, Series on Number Theory and Its Applications2007
- Author(s)
  Masayoshi Hata
- Total Pages
  292
- Publisher
  World Scientific
- Data Source
  KAKENHI-PROJECT-18540172
[Book] Problems and Solutions in Real Analysis (Series on Number Theory and its Applications, Vol.4)2007
- Author(s)
  Masayoshi Hata
- Total Pages
  304
- Publisher
  World Scientific Publishing
- Data Source
  KAKENHI-PROJECT-18540172
[Journal Article] A lower estimate for ||e^n||2010
- Author(s)
  Masayoshi Hata
- Journal Title
  
  Journal of Number Theory (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540172
[Journal Article] A lower estimate for ||e^n||2010
- Author(s)
  Masayoshi Hata
- Journal Title
  
  Journal of Number Theory 130
  
  Pages: 1685-1704
- Data Source
  KAKENHI-PROJECT-18540172
[Journal Article] Note on the fractional parts of λ θ ^n2005
- Author(s)
  Masayoshi Hata
- Journal Title
  
  Acta Arithmetica 120・2
  
  Pages: 153-157
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540149
[Journal Article] Note on the fractional part of λ θ^n2005
- Author(s)
  Masayoshi Hata
- Journal Title
  
  Acta Arithmetica 120・2
  
  Pages: 153-157
- Data Source
  KAKENHI-PROJECT-16540149
[Journal Article] Note on the fractional parts of λθ^n2005
- Author(s)
  M.Hata
- Journal Title
  
  Acta Aritlimetica 120,no.2
  
  Pages: 153-157
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540149
[Presentation] A lower estimate for ||e^n||2009
- Author(s)
  畑政義
- Organizer
  Diophantine Analysis and Related Fields 2009
- Place of Presentation
  日本大学理工学部
- Data Source
  KAKENHI-PROJECT-18540172
[Presentation] Diophantine Analysis and Related Fields 20092009
- Author(s)
  畑政義
- Place of Presentation
  日本大学理工学部
- Data Source
  KAKENHI-PROJECT-18540172
[Presentation] On the lower bound for ||e^n||2009
- Author(s)
  畑政義
- Organizer
  Diophantine Analysis and Related Fields 2009
- Place of Presentation
  日本大学理工学部
- Year and Date
  2009-03-03
- Data Source
  KAKENHI-PROJECT-18540172

1. KONO Norio (90028134)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
2. MORIMOTO Yoshinori (30115646)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
3. ASANO Kiyoshi (90026774)

# of Collaborated Projects: 8 results

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4. USHIKI Shigehiro (10093197)

# of Collaborated Projects: 7 results

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5. NISHIWADA Kimimasa (60093291)

# of Collaborated Projects: 5 results

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6. TAKASAKI Kanehisa (40171433)

# of Collaborated Projects: 5 results

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7. SAKURAGAWA Takashi (60196136)

# of Collaborated Projects: 5 results

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8. TAKEUCHI Akira (40026761)

# of Collaborated Projects: 4 results

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9. UEDA Tetsuo (10127053)

# of Collaborated Projects: 4 results

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10. SAITO Hiroshi (20025464)

# of Collaborated Projects: 3 results

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11. UE Masaaki (80134443)

# of Collaborated Projects: 3 results

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12. IMANISHI Hideki (90025411)

# of Collaborated Projects: 3 results

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13. 宮本宗実 (00026775)

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14. YAMAUCHI Masatoshi (30022651)

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15. KIGAMI Jun (90202035)

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16. NAGATA Makoto (30293971)

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17. 秋葉知温 (60027670)

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18. GYOJO Akihiko (50116026)

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19. 日置尋久 (70293842)

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20. NISHIYAMA Kyo (70183085)

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21. MATSUKI Toshihiko (20157283)

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22. KATO Shinichi (90114438)

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23. 吉野雄二 (00135302)

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24. 笠原晧司 (70026748)

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25. 西田孝明 (70026110)

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26. 岩塚明 (40184890)

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27. 松本和一郎 (40093314)

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28. 池部晃生 (00025280)

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29. 吉原英昭 (10182809)

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30. FUJIKI Akira (80027383)

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31. TANDAI Kouichi (90026732)

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32. 岩井斉良 (70026764)

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33. AMOU Masaki (60201901)

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34. KATSURADA Masanori (90224485)

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35. TARAMA Shigeo (90115882)

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36. UEKI Naomasa (80211069)

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37. ANDO Hiroshi (60292471)

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38. MORIOKA Tatsushi (80239631)

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39. 浅倉史興 (20140238)

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HATA Masayoshi 畑 政義

畑 正義 ハタ マサヨシ

畑 政義

Research Projects

Research Products

Co-Researchers

Analytic Study for Pisot and Salem numbersPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research for rational approximation to transcendental numbersPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Analytical research for transcendental numbersPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

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Principal Investigator

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フラクタル理論と超越数論の組織的研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Pade type approximation and its application to the number theoryPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

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Research Institution

有理近似および超越数の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

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Research Institution

Principal Investigator

Project Period (FY)

Research Category

HATA Masayoshi 畑政義

畑正義ハタマサヨシ

畑政義