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Hara Takuya  原 卓哉

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HARA Takuya  原 卓哉

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Researcher Number 50263984
Other IDs
Affiliation (Current) 2025: 福岡教育大学, 教育学部, 教授
Affiliation (based on the past Project Information) *help 2007 – 2008: 福岡教育大学, 教育学部, 准教授
2002 – 2006: 福岡教育大学, 教育学部, 助教授
1997 – 1998: 福岡教育大学, 教育学部, 助教授
1995 – 1996: 福岡教育大学, 教育学部, 講師
Review Section/Research Field
Principal Investigator
解析学
Except Principal Investigator
解析学 / Basic analysis / Basic analysis
Keywords
Principal Investigator
数域縮小作用素 / 数域半径 / 作用素
Except Principal Investigator
Majorization / Operator monotone function / 作用素単調関数 / Korovkin theory / Lowner-Heinz inequality / determinant / norm … More / operator / matrix / majorization / 直交多項式 / 作用素不等式 / Orthogonal polynomials / Positive semi-definite operator / Linear operator / Hilbert space / 自己共役作用素 / 直行多項式系 / 半正定値作用素 / 線形作用素 / ヒルベルト空間 / Generalized Cauchy-Riemann Equation / Euler-Poisson-Darboux Equation / Clifford Algebra / Clifford Analysis / Clifford Function Theory / Euler-Poisson-Darbour方程式 / Generalized Cauchy-Riemann方程式 / Generalized Cauchy-Riemann方程式系 / Euler-Poisson-Darboux方程式 / クリフォード代数 / クリフォード解析学 / クリフォード関数論 / positive definite operator / シュワルツノルム / 数域半径 / C^*-環 / Korovkinの定理 / Pick 関数 / Positive definite operator / operator monotone / Pick関数 / 凹関数 / 固有値 / 作用素順序 / 作用素関数 / 可換作用素 / 補間関数 / 実解析関数 Less
  • Research Projects

    (6 results)
  • Research Products

    (2 results)
  • Co-Researchers

    (7 People)
  •  The study of operator functions and Applications to orthogonal polynomials

    • Principal Investigator
      UCHIYAMA Mitsuru
    • Project Period (FY)
      2005 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Shimane University
      Fukuoka University of Education
  •  The Study of Operator monotone Functions by Analytic Continuation and Its Application

    • Principal Investigator
      UCHIYAMA Mitsuru
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Fukuoka University of Education
  •  SCHWARZ NORMS IN OPERATOR ALGEBRAS AND CONTRACTIONS, AND ITS APPLICATIONS TO DIFFERENTIAL OPERATORS

    • Principal Investigator
      UCHIYAMA Mitsuru
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      FUKUOKA UNIVERSITY OF EDUCATION
  •  Research of Analysis on Clifford Algebra and it's Application

    • Principal Investigator
      NONO Kiyoharu
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Fukuoka University of Education
  •  実解析的補間関数とその応用

    • Principal Investigator
      UCHIYAMA Mitsuru
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Fukuoka University of Education
  •  数域縮小作用素のコアと拡張Principal Investigator

    • Principal Investigator
      原 卓哉
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      解析学
    • Research Institution
      Fukuoka University of Education

All 2003

All Journal Article

  • [Journal Article] On weighted extensions of Carleman's inequality and Hardy's inequality.2003

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

      Math.Inequal.Appl. 6・4

      Pages: 667-674

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540180
  • [Journal Article] On weighted extensions od Carleman's Inequality and Hardy's inequality2003

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

      Math.Inequality and Appl. 6

      Pages: 667-674

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14540180
  • 1.  UCHIYAMA Mitsuru (60112273)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 2.  FUKUTAKE Takayoshi (60036887)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 3.  KOSAKI Hideki (20186612)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 4.  NONO Kiyoharu (10117046)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  WATATANI Yasuo (00175077)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  SAKAMOTO Takanori (00162313)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  TAMARI Fumikazu (70036937)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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