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Sakamoto Ryotaro  坂本 龍太郎

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坂本 龍太郎  サカモト リョウタロウ

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Researcher Number 70905447
Affiliation (Current) 2026: 筑波大学, 数理物質系, 助教
Affiliation (based on the past Project Information) *help 2023 – 2024: 筑波大学, 数理物質系, 助教
Review Section/Research Field
Principal Investigator
Basic Section 11010:Algebra-related
Except Principal Investigator
Basic Section 11010:Algebra-related
Keywords
Principal Investigator
Fittingイデアル / イデアル類群 / 円単数 / Kolyvagin系 / L関数 / Selmer群
Except Principal Investigator
セルマー群 / 岩澤加群 / 楕円曲線のSelmer群 / オイラー系 … More / Gauss和型Euler系 / Selmer群 / 岩澤加群の生成元 / 岩澤理論 / Stark系 / Euler系 / 同変岩澤主予想 / Fittingイデアル / イデアル類群 / Selmer群の構造 / 楕円曲線 Less
  • Research Projects

    (2 results)
  • Research Products

    (4 results)
  • Co-Researchers

    (4 People)
  •  New Development of Iwasawa theory and Euler systems

    • Principal Investigator
      栗原 将人
    • Project Period (FY)
      2024 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 11010:Algebra-related
    • Research Institution
      Keio University
  •  Higher Fitting ideals of Selmer groups and L-functionsPrincipal Investigator

    • Principal Investigator
      坂本 龍太郎
    • Project Period (FY)
      2024 – 2028
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 11010:Algebra-related
    • Research Institution
      University of Tsukuba

All 2025 2024

All Journal Article Presentation

  • [Journal Article] The theory of Kolyvagin systems for p=32025

    • Author(s)
      Sakamoto Ryotaro
    • Journal Title

      Journal de theorie des nombres de Bordeaux

      Volume: 36 Issue: 3 Pages: 919-946

    • DOI

      10.5802/jtnb.1300

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-24K16886
  • [Presentation] モジュラー曲線のホモロジー類について2025

    • Author(s)
      坂本龍太郎
    • Organizer
      愛媛大学代数セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-24K16886
  • [Presentation] On the denominators of the special values of the partial zeta functions of real quadratic fields2024

    • Author(s)
      坂本龍太郎
    • Organizer
      数論合同セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-24K16886
  • [Presentation] On Kurihara’s Kolyvagin systems of Gauss sum type2024

    • Author(s)
      坂本龍太郎
    • Organizer
      Development of Iwasawa theory
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24K16886
  • 1.  栗原 将人 (40211221)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  塩川 宇賢 (00015835)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  藤井 俊 (20386618)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  佐野 昂迪 (30794698)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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