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DOI Koji  土井 公二

ORCIDConnect your ORCID iD *help
… Alternative Names

土井 公二  ドイ コウジ

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Researcher Number 20025290
External Links
Affiliation (based on the past Project Information) *help 2003: Ritsumeikan Univ., Fac Science and Engineering, Professor, 理工学研究所, 教授
2002: 立命館大学, 理工学部, 教授
1997 – 1998: 立命館大学, 理工学部, 教授
1988 – 1994: 立命館大学, 理工学部, 教授
Review Section/Research Field
Principal Investigator
Algebra
Except Principal Investigator
解析学 / Geometry / General mathematics (including Probability theory/Statistical mathematics) / 代数学・幾何学
Keywords
Principal Investigator
Eigenvalue / 保型形式の数論的研究 / ゼ-タ関数 / 微分作用素の固有値 / ゼ-タ関数の零点 / 志村理論 / 保型形式のプリエ係数 / ヒルベルト保型形式 Hilbert modular forms / L-関数の特殊値 / ヘッケの体 Hecke′s fields … More / 保型形式 / Hecke作用素 / Hilbert modular form / 志村多様体 / modular curves / Hilbert modular forms / Hilbert保型形式 / 固有値のconductor / L-級数の特殊値 / Automorphic form / Hecke operator / Hubert modular form / Shimura variety … More
Except Principal Investigator
局所コンパクト群 / 位相的既約表現 / バナッハ空間 / 球関数 / quasi-bounded / 等質空間 / 複素多様体 / ケ-ラ-計量 / ケ-ラ-代数 / jー代数 / 保型形式 / L関数 / 数値解析 / 零点 / ア-ベル総和法 / 整数論 / 関数等式 / Hecke作用素 / Schrodinger operator / eigenfnchtion / essential spectrum / positive eigenvalue / magnetic field / シュレーディンガー作用素 / スペクトル / 散乱理論 / 四元数ケーラー多様体 / Q-断面曲率 / Q-射影変換 / エネルギー零 / 加法的汎関数 / 局所時間 / 合成積型変換 / Radon変換 / 複数多様体 / 種数2代数曲線 / アーベル多様体 / モジュライ / 確率微分方程式 / Brown運動 / 滞在時間の極限定理 / 概周期関数 / 構成的プログラミング / 並列計算モデル / 計算機代数 / constructive programming / concurrency theory / computer algebra / リーマン多様体 / 射影変換 / ケーラー多様体 / 正則射影変換 / Riemannian Manifold / Projective Transformation / Kahlerian Manifold / Holomophically Projective Transformation Less
  • Research Projects

    (14 results)
  • Co-Researchers

    (15 People)
  •  Automorphic forms and its arithmeticPrincipal Investigator

    • Principal Investigator
      DOI Koji
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Ritsumeikan University
  •  Study on Transformations in Riemannian Geometry

    • Principal Investigator
      FUJIMURA Shigeyoshi
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Ritsumeikan University
  •  Mathematical study of Constructive Concurrent and Distributed Programm system

    • Principal Investigator
      TAKAYAMA Yukihide
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Ritsumeikan University
  •  保型形式と整数論Principal Investigator

    • Principal Investigator
      土井 公二
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (B)
    • Research Field
      Algebra
    • Research Institution
      Ritsumeikan University
  •  複素多様体の幾何および解析

    • Principal Investigator
      成木 勇夫
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Ritsumeikan University
  •  接続とリーマン計量の研究

    • Principal Investigator
      藤村 茂芳
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Ritsumeikan University
  •  Dirichlet Processの確率解析

    • Principal Investigator
      山田 俊雄
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Ritsumeikan University
  •  シュレーディンガー作用素のスペクトルの研究

    • Principal Investigator
      山田 修宣
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Ritsumeikan University
  •  不変微分作用素と整数論

    • Principal Investigator
      石井 秀則
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Institution
      Ritsumeikan University
  •  偏微分作用素のスペクトルの構造

    • Principal Investigator
      荒井 正治
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Ritsumeikan University
  •  等質複素多様体の研究

    • Principal Investigator
      中島 和文
    • Project Period (FY)
      1990
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Ritsumeikan University
  •  保型形式と整数論Principal Investigator

    • Principal Investigator
      土井 公二
    • Project Period (FY)
      1989
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Institution
      Ritsumeikan University
  •  調和解析とその応用

    • Principal Investigator
      新屋 均
    • Project Period (FY)
      1989
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Ritsumeikan University
  •  確率微分方程式の研究

    • Principal Investigator
      山田 俊雄
    • Project Period (FY)
      1988
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Ritsumeikan University
  • 1.  荒井 正治 (20066715)
    # of Collaborated Projects: 9 results
    # of Collaborated Products: 0 results
  • 2.  FUJIMURA Shigeyoshi (30066724)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 0 results
  • 3.  NAKAJIMA Kazuhumi (10025489)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 0 results
  • 4.  YAMADA Osanobu (70066744)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 0 results
  • 5.  山田 俊雄 (10037749)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 0 results
  • 6.  ISHII Hidenori (60159671)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 7.  中嶋 史図雄 (50121611)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 8.  NARUKI Isao (90027376)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 9.  SHIN'YA Hitoshi (70036416)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 10.  TAKAYAMA Yukihide (20247810)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  IKEDA Nobuyuki (00028078)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  HARA Keisuke (30298715)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  SATO Yosuke (50257820)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  KAGAWA Takaaki (90298175)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  OKADA Kaoru (40360250)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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