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Iijima Yu  飯島 優

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飯島 優  イイジマ ユウ

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Researcher Number 00781197
Other IDs
Affiliation (Current) 2025: 広島大学, 先進理工系科学研究科(理), 研究員
Affiliation (based on the past Project Information) *help 2022 – 2023: 広島大学, 先進理工系科学研究科(理), 研究員
2020 – 2021: 広島大学, 先進理工系科学研究科(理), 助教
Review Section/Research Field
Principal Investigator
Basic Section 11010:Algebra-related
Keywords
Principal Investigator
幾何学的外モノドロミー表現 / 外ガロア表現 / 組み合わせ論的遠アーベル幾何 / 遠アーベル幾何 / 双曲的曲線の配置空間 / 普遍外モノドロミー表現 / グロタンディーク予想 / 高次円単数 / 準モノドロミー充満 / モノドロミー充満 … More / 写像類群 / 双曲的曲線のモジュライスタック / 配置空間 / 双曲的曲線 Less
  • Research Projects

    (1 results)
  • Research Products

    (9 results)
  •  遠アーベル幾何と双曲的曲線のモジュライスタックの幾何学的外モノドロミー表現Principal Investigator

    • Principal Investigator
      飯島 優
    • Project Period (FY)
      2020 – 2024
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 11010:Algebra-related
    • Research Institution
      Hiroshima University

All 2023 2022 2021 2020

All Journal Article Presentation

  • [Journal Article] Galois-theoretic characterization of geometric isomorphism classes of quasi-monodromically full hyperbolic curves with small numerical invariants2023

    • Author(s)
      Hoshi Yuichiro、Iijima Yu
    • Journal Title

      Journal of Algebra

      Volume: 634 Pages: 480-511

    • DOI

      10.1016/j.jalgebra.2023.07.026

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K14290, KAKENHI-PROJECT-21K03162
  • [Journal Article] On the centralizer of the image of the universal outer monodromy representation of the moduli stack of pointed hyperbolic curves2023

    • Author(s)
      Iijima Yu
    • Journal Title

      manuscripta mathematica

      Volume: 173 Issue: 3-4 Pages: 1147-1159

    • DOI

      10.1007/s00229-023-01480-9

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] On the image of the geometric outer monodromy representation associated to the moduli stack of hyperbolic curves2023

    • Author(s)
      Iijima Yu
    • Organizer
      MFO-RIMS Tandem workshop 2023 - Arithmetic Homotopy and Galois Theory
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] Synchronization of cyclotomes2022

    • Author(s)
      Yu Iijima
    • Organizer
      2022 年度 (第 29 回) 整数論サマースクール「組み合わせ論的遠アーベル幾何学」
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] F-admissibility and FC-admissibility2022

    • Author(s)
      Yu Iijima
    • Organizer
      2022 年度 (第 29 回) 整数論サマースクール「組み合わせ論的遠アーベル幾何学」
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] Profinite Dehn multi-twists2022

    • Author(s)
      Yu Iijima
    • Organizer
      2022 年度 (第 29 回) 整数論サマースクール「組み合わせ論的遠アーベル幾何学」
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] Centralizers of geometric monodromy2022

    • Author(s)
      Yu Iijima
    • Organizer
      2022 年度 (第 29 回) 整数論サマースクール「組み合わせ論的遠アーベル幾何学」
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] On the centralizer of the image of the universal outer monodromy representation of the moduli stack of pointed hyperbolic curves2021

    • Author(s)
      Yu Iijima
    • Organizer
      Combinatorial Anabelian Geometry and Related Topics
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K14290
  • [Presentation] 副有限自由群への副有限写像類群の外作用の像の中心化群について2020

    • Author(s)
      飯島優
    • Organizer
      広島大学 トポロジー・幾何セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-20K14290

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