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SAKA Koichi  坂 光一

ORCIDConnect your ORCID iD *help
Researcher Number 20006597
Affiliation (based on the past Project Information) *help 2004: Akita University, Faculty of Engineering and Resource Science, professor, 工学資源学部, 教授
1998 – 2002: AKITA UNIVERSITY・FACULTY OF ENGINEERING AND RESOURCE SCIENCE,PROFESSOR, 工学資源学部, 教授
1986 – 1997: Akita Univ., Fac. of Education ・Professor, 教育学部, 教授
Review Section/Research Field
Principal Investigator
解析学
Except Principal Investigator
解析学 / Geometry / 代数学・幾何学 / Basic analysis / Basic analysis / General mathematics (including Probability theory/Statistical mathematics)
Keywords
Principal Investigator
ゲージ理論 / 時空間 / Yang-Mills方程式 / 波動方程式
Except Principal Investigator
調和解析 / ポアソン / シンプレクティック / 作用素環 / 実解析 / 微分 … More / アトム分解 / ベゾフ空間 / 2進群 / ポアソン構造 / グルポイド / Levi問題 / Representation theory / Harmonic analysis / Operator / Operator algebras / Function spaces / Real analysis / Functional analysis / 偏微分方程式 / 表現論 / 作用素 / 函数空間 / 函数解析 / harmonic analysis / function spaces / operator algebra / pseudo-differential operators / nonlinear partial differential equations / 対称空間上のフーリェ変換 / Banach空間での抽象的方程式 / Banach函数環 / 擬微分作用素の有界性 / 非線型偏微分方程式 / mixed boundary value problem / Dirichlet to Neumann map / Lipschitz domain / shape of domain / diffusion equation / heat equation / inverse problem / 線形化 / エネルギー評価 / 混合型境界条件 / 領域形状推定 / 混合型境界値問題 / Dirichlet to Neumann写像 / リプシッツ領域 / 領域形状 / 拡散方程式 / 熱方程式 / 逆問題 / Lie algebroid / Engel structure / contact structure / tangent distribution / Nambu-Jacobi structure / Poisson structure / symplectic structure / アルジェブロイド / リー・アルジェブロイド / エンゲル構造 / 接触構造 / 接分布 / 南部・ヤコビ構造 / weighted inequalities / Hardy spaces / L^p space / singular integrals / 最大関数 / 重み付き不等式 / ハーディ空間 / L^p空間 / 特異積分 / MAXIMAL ESTIMATE / DYADIC DERIVATIVE / CESARO MEANS / ATOM DECOMPOSITION / RESOV SPACE / DYADIC GROUP / 極大チェザロ和 / チェザロ核 / 極大評価 / 2進微分 / チェザロ平均 / モーメント / 運動量写像 / スタイン空間 / 複素解析空間 / 合同シンポジウム / 函数解析学 / 実函数論 / Godbillon-Vey class / 葉層構造 / 乗法因子 / 強総和法 / 強近似法 / Godbillon-Vey特性類 / シンプレクティック葉層構造 / ポアソンリー群 / ループ群 / 畑-山口の公式 / 特異点スペクトル / 高木関数 / ルベーグの特異関数 / デジタル和問題 / バイオミアル測度 / マルチフラクタル測度 / マルテプライヤー / ハーディ・ベゾフ空間 / 最良近似 / 平均振動 / アトム / ハーディ・ソボレフ空間 / 局所体 / ハイゼンベルグ群 / ハレナックの定理 / 因子環 / ハ-ディ・ソボレフ空間 / 多変数フ-リエ解析 / 群代数 / ウェ-ブレット展開 / シコレディンガ-方程式 / 擬凸領域 / 商空間 / 変換群 / Stein空間 / 擬素数 / 等分体 / 楕円曲線 / ア-ベル多様体 Less
  • Research Projects

    (19 results)
  • Co-Researchers

    (30 People)
  •  An estimation problem for the shape of a domain via diffusion equations

    • Principal Investigator
      KAWAKAMI Hajime
    • Project Period (FY)
      2003 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Akita University
  •  調和解析研究グループの構築と共同研究の企画

    • Principal Investigator
      河添 健
    • Project Period (FY)
      2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Keio University
  •  Studies on Poissonization of Nambu-Jacobi structures

    • Principal Investigator
      MIKAMI Kentaro
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Akita University
  •  SINGULAR INTEGRALS AND REAL ANALYSIS

    • Principal Investigator
      YABUTA Kozo
    • Project Period (FY)
      1998 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (B).
    • Research Field
      Basic analysis
    • Research Institution
      KWANSEI GAKUIN UNIVERSITY
      Nara Women's University
  •  FOURIER ANALYSIS ON THE DYADIC BESOV SPACE.

    • Principal Investigator
      TATEOKA Atsushi
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      AKITA UNIVERSITY
  •  ポアソン葉層構造の研究

    • Principal Investigator
      三上 健太郎
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Akita University
  •  2進群上のリトルウッド・ペリ-理論と函数空間について

    • Principal Investigator
      館岡 淳
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Akita University
  •  ポアンソリー群の研究

    • Principal Investigator
      三上 健太郎
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Akita University
  •  マルチフラクタル測度に関する研究

    • Principal Investigator
      塩田 安信
    • 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
      Akita University
  •  局所体上のハーディ・ソボレフ空間について

    • Principal Investigator
      舘岡 淳
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Akita University
  •  函数解析と調和解析の総合的研究

    • Principal Investigator
      猪狩 惺
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for Co-operative Research (A)
    • Research Institution
      Tohoku University
  •  ポアソン亜群の総合的研究

    • Principal Investigator
      三上 健太郎
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Akita University
  •  複素解析空間におけるLevi問題とその周辺の研究

    • Principal Investigator
      宇田 敏夫
    • Project Period (FY)
      1990
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Akita University
  •  ア-ベル多様体のツェ-タ関数

    • Principal Investigator
      ITO Hideji
    • Project Period (FY)
      1989
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Akita University
  •  ゲージ理論における古典的方程式の解の評価Principal Investigator

    • Principal Investigator
      坂 光一
    • Project Period (FY)
      1988
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Akita University
  •  対称性をもつシンプレクティック多様体上の幾何学と解析学の研究

    • Principal Investigator
      三上 健太郎
    • Project Period (FY)
      1987
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Akita University
  •  Cooperative Researches on the Applications of Functional Analysis and Real Analysis

    • Principal Investigator
      ANDO Tsuyoshi
    • Project Period (FY)
      1987 – 1988
    • Research Category
      Grant-in-Aid for Co-operative Research (A)
    • Research Field
      解析学
    • Research Institution
      Hokkaido University
  •  複素解析空間におけるLevi問題とその周辺の研究

    • Principal Investigator
      宇田 敏夫
    • Project Period (FY)
      1986
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Akita University
  •  Research on Applications of Real and Functional Analysis

    • Principal Investigator
      MURAMATU Tosinobu
    • Project Period (FY)
      1985 – 1986
    • Research Category
      Grant-in-Aid for Co-operative Research (A)
    • Research Field
      解析学
    • Research Institution
      University of TSUKUBA
  • 1.  TATEOKA Atsushi (40006565)
    # of Collaborated Projects: 13 results
    # of Collaborated Products: 0 results
  • 2.  MIKAMI Kentaro (70006592)
    # of Collaborated Projects: 12 results
    # of Collaborated Products: 0 results
  • 3.  ITO Hideji (70091783)
    # of Collaborated Projects: 11 results
    # of Collaborated Products: 0 results
  • 4.  塩田 安信 (00154170)
    # of Collaborated Projects: 10 results
    # of Collaborated Products: 0 results
  • 5.  UDA Toshio (20006589)
    # of Collaborated Projects: 10 results
    # of Collaborated Products: 0 results
  • 6.  KOBAYASHI Mahito (10261645)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 7.  KAWAKAMI Hajime (20240781)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 8.  KOSHI Shozo (40032792)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 9.  MURAMATU Tosinobu (60027365)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 10.  MIYACHI Akihiko (60107696)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  河添 健 (90152959)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 12.  UNO Chikara (20282155)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 13.  KUMAHARA Keisaku (60029486)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 14.  CHODA Hisashi (00030338)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 15.  猪狩 惺 (50004289)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  梅田 亨 (00176728)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  中井 英一 (60259900)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  立澤 一哉 (80227090)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  松木 敏彦 (20157283)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  FUKUHARA Kenzo (00006561)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  YABUTA Kozo (30004435)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  KANJIN Yuichi (50091674)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  NAKAJI Takahiko (30002174)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  YONEDA Kaoru (80079029)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  TORISU Ichiro (50323134)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  TSUCHIYA Masaaki (50016101)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  ANDO Tsuyoshi (10001679)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  SHINYA Hitoshi (70036416)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  SAKAI Shoichiro (30130503)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  OHYA Masanori (90112896)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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