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Yatagawa Yuri  谷田川 友里

ORCIDConnect your ORCID iD *help
Researcher Number 90819343
Affiliation (Current) 2026: 東京科学大学, 理学院, 准教授
Affiliation (based on the past Project Information) *help 2026: 東京科学大学, 理学院, 准教授
2024: 東京科学大学, 理学院, 准教授
2020 – 2023: 東京工業大学, 理学院, 准教授
2018 – 2019: 埼玉大学, 理工学研究科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 11010:Algebra-related / 0201:Algebra, geometry, analysis, applied mathematics,and related fields
Keywords
Principal Investigator
特性サイクル / 導手 / エタール層 / 分岐 / 代数多様体 / 代数的サイクル / オイラー数 / 局所体 / サイクル / 特異台 / サイクル類 / 対数的な特性サイクル
  • Research Projects

    (3 results)
  • Research Products

    (20 results)
  •  エタール層の分岐理論Principal Investigator

    • Principal Investigator
      谷田川 友里
    • Project Period (FY)
      2026 – 2030
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 11010:Algebra-related
    • Research Institution
      Institute of Science Tokyo
  •  部分的に対数的な分岐理論と特性サイクルの研究Principal Investigator

    • Principal Investigator
      谷田川 友里
    • Project Period (FY)
      2021 – 2025
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 11010:Algebra-related
    • Research Institution
      Institute of Science Tokyo
  •  Invariants of ramification and characteristic cycles of sheavesPrincipal Investigator

    • Principal Investigator
      Yatagawa Yuri
    • Project Period (FY)
      2018 – 2022
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Review Section
      0201:Algebra, geometry, analysis, applied mathematics,and related fields
    • Research Institution
      Tokyo Institute of Technology
      Saitama University

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Characteristic cycle of a rank one sheaf and ramification theory2020

    • Author(s)
      Yuri Yatagawa
    • Journal Title

      Journal of Algebraic Geometry

      Volume: 29 Issue: 3 Pages: 471-545

    • DOI

      10.1090/jag/758

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Journal Article] Having the same wild ramification is preserved by the direct image2018

    • Author(s)
      Yuri Yatagawa
    • Journal Title

      manuscripta mathematica

      Volume: 157 no. 1-2

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] 分岐理論とl進層の特性サイクル2024

    • Author(s)
      谷田川友里
    • Organizer
      第69回代数学シンポジウム
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] Characteristic cycle of a rank one sheaf on a smooth variety of positive characteristic and ramification theory2024

    • Author(s)
      谷田川友里
    • Organizer
      表現論と調和解析の広がり
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] Partially logarithmic characteristic cycles and index formula2024

    • Author(s)
      Yuri Yatagawa
    • Organizer
      Nearby cycles and derived geometry
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] Partially logarithmic characteristic cycles and index formula2024

    • Author(s)
      Yuri Yatagawa
    • Organizer
      The 22nd Affine Algebraic Geometry Meeting
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] Ramification theory and characteristic cycles of rank one sheaves2023

    • Author(s)
      Yuri Yatagawa
    • Organizer
      MSJ-KMS Joint Meeting 2023
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] 部分的に対数的な分岐理論と特性サイクル2022

    • Author(s)
      谷田川友里
    • Organizer
      プロジェクト研究集会2021
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Characteristic cycle of a rank one sheaf in codimension 22022

    • Author(s)
      Yuri Yatagawa
    • Organizer
      L-functions and Motives in Niseko 2022
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Characteristic cycle of a rank one sheaf in codimension 22022

    • Author(s)
      Yuri Yatagawa
    • Organizer
      L-functions and Motives in Niseko 2022
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] Partially logarithmic ramification theory and characteristic cycles of rank 1 sheaves2022

    • Author(s)
      Yuri Yatagawa
    • Organizer
      PRIMA Congress 2022, Arithmetic Geometry: Theory And Computation
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Partially logarithmic ramification theory and characteristic cycles of rank 1 sheaves2022

    • Author(s)
      Yuri Yatagawa
    • Organizer
      PRIMA Congress 2022, Arithmetic Geometry: Theory and Computation
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] 部分的に対数的な分岐理論と特性サイクル2022

    • Author(s)
      谷田川友里
    • Organizer
      プロジェクト研究集会2021
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K13769
  • [Presentation] Singular support and characteristic cycle of a rank one sheaf in codimension two2021

    • Author(s)
      Yuri Yatagawa
    • Organizer
      Arithmetic Geometry - Takeshi 60
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] 階数1の層の余次元2での特性サイクルと分岐2021

    • Author(s)
      谷田川友里
    • Organizer
      第14回 数論女性の会
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] 余次元2での特異台と分岐2021

    • Author(s)
      谷田川友里
    • Organizer
      プロジェクト研究集会2020
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Characteristic cycle and ramification theory2019

    • Author(s)
      Yuri Yatagawa
    • Organizer
      Boston University/Keio University Workshop 2019
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Wild ramification and characteristic cycle2019

    • Author(s)
      Yuri Yatagawa
    • Organizer
      Rational Points on Higher Dimensional Varieties
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Characteristic cycle of a rank 1 sheaf and ramification theory2018

    • Author(s)
      Yuri Yatagawa
    • Organizer
      Arithmetic Geometry : l-adic and p-adic aspects
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K21020
  • [Presentation] Ramification theory and the characteristic cycle of a rank 1 sheaf2018

    • Author(s)
      谷田川友里
    • Organizer
      第2回岡潔女 性数学者セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K21020

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