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Koya Yoshihiro  小屋 良祐

ORCIDConnect your ORCID iD *help
… Alternative Names

小屋 良裕  コヤ ヨシヒロ

KOYA Yoshihiro  小屋 良祐

小屋 良祐  コヤ ヨシヒロ

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Researcher Number 50254230
Other IDs
Affiliation (Current) 2020: 横浜市立大学, 国際総合科学部(八景キャンパス), 教授
Affiliation (based on the past Project Information) *help 2005 – 2006: 横浜市立大学, 国際総合科学部, 準教授
2001 – 2004: 横浜市立大学, 総合理学研究科, 助教授
2000: Yokohama City Univ., Faculty of Science, Assoc. Prof., 理学部, 助教授
1997 – 1999: 横浜市立大学, 理学部, 助手
1995: 横浜市立大学, 理学部, 助手
1994: 横浜市立大学, 文理学部, 助手
Review Section/Research Field
Except Principal Investigator
Algebra / 解析学 / Algebra
Keywords
Except Principal Investigator
イデアル類群 / ideal class group / normal integral basis / アーベル体 / 類数 / Greenberg予想 / 整巾基底 / 正規整数底 / Kummer拡大 / 単項化定理 … More / Stickelberger ideal / リー代数 / 階別リー代数 / ジョルダン代数 / 非結合的代数 / 量子群 / Kac環 / Quantum double / Hopf^*環 / Woronowicz環 / 量子ローレンツ群 / 岩澤不変量 / 実アーベル体 / 円分体 / ガウス和 / 円分関数体 / 岩沢不変量 / Gauss和 / ideal類群 / abelian field / cyclotomic field / class number / Gauss sum / Fermat関数体 / 整正規基底 / 素数次不分岐Kummer拡大 / 整正規底 / power integral basis / Greenberg conjecture / 円分Z / p拡大 / P進L関数 / 単項化 / Galvis descent / 岩澤多項式 / 円分Z_p拡大 / cyclotomic Z_p-extension / p-adic L-function / p-整数環 / descent / Kummer duality Less
  • Research Projects

    (7 results)
  • Co-Researchers

    (11 People)
  •  Study of the structure of integer rings from the view point of cyclotomic Iwasawa theory

    • Principal Investigator
      ICHIMURA Humio
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Ibaraki University
      Yokohama City University
  •  Study of Cyclotomic Iwasawa Theory.

    • Principal Investigator
      ICHIMURA Humio
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Yokohama City University
  •  Study of Iwasawa Theory for Cyclotomic Fields.

    • Principal Investigator
      ICHIMURA Humio
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Yokohama City University
  •  Study of Iwasawa Theory for Cyclotomic Fields.

    • Principal Investigator
      ICHIMURA Humio
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Yokohama City University
  •  円分体の岩澤理論の研究

    • Principal Investigator
      市村 文男
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Yokohama City University
  •  量子群の非可換幾何

    • Principal Investigator
      中神 祥臣
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      解析学
    • Research Institution
      Yokohama City University
  •  多元環の研究とその応用

    • Principal Investigator
      浅野 洋
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Yokohama City University
  • 1.  ICHIMURA Humio (00203109)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 2.  NAITO Hirotada (00180224)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 3.  大阿久 俊則 (60152039)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  市田 良輔 (10094294)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  中神 祥臣 (70091246)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  NAKAJIMA Shoichi (90172311)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 7.  SUMIDA Hiroki (90291476)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  浅野 洋 (00046012)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  藤井 一幸 (00128084)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  栄 伸一郎 (30201362)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  AIBA Akira (90202457)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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