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SAWAHARA Masatomo  澤原 雅知

ORCIDConnect your ORCID iD *help
Researcher Number 20969943
Other IDs
Affiliation (Current) 2025: 弘前大学, 教育学部, 助教
Affiliation (based on the past Project Information) *help 2024 – 2025: 弘前大学, 教育学部, 助教
Review Section/Research Field
Principal Investigator
0201:Algebra, geometry, analysis, applied mathematics,and related fields / Basic Section 11010:Algebra-related
Keywords
Principal Investigator
アフィン線織 / シリンダー / 正規代数曲面 / Log del Pezzo曲面 / 極小コンパクト化 / アフィン平面 / 偏極シリンダー / 正規del Pezzo曲面 / 正規デルペッゾ曲面
  • Research Projects

    (2 results)
  • Research Products

    (7 results)
  •  Structure of normal del Pezzo surfaces and existence conditions for cylindersPrincipal Investigator

    • Principal Investigator
      澤原 雅知
    • Project Period (FY)
      2025 – 2028
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 11010:Algebra-related
    • Research Institution
      Hirosaki University
  •  Log del Pezzo surfaces and their polarized cylindersPrincipal Investigator

    • Principal Investigator
      澤原 雅知
    • Project Period (FY)
      2024 – 2025
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Review Section
      0201:Algebra, geometry, analysis, applied mathematics,and related fields
    • Research Institution
      Hirosaki University

All 2025 2024

All Journal Article Presentation

  • [Journal Article] Minimal Compactifications of the Affine Plane with only Star-shaped Singularities2025

    • Author(s)
      Sawahara Masatomo
    • Journal Title

      Taiwanese Journal of Mathematics

      Volume: - Issue: 3

    • DOI

      10.11650/tjm/250202

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24K22823
  • [Journal Article] Cylindrical ample divisors on Du Val del Pezzo surfaces2025

    • Author(s)
      Sawahara Masatomo
    • Journal Title

      Forum Mathematicum

      Volume: -

    • DOI

      10.1515/forum-2024-0279

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24K22823
  • [Presentation] Minimal compactifications of the affine plane with only star-shaped singularities2025

    • Author(s)
      澤原雅知
    • Organizer
      第23回アフィン代数幾何学研究集会
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24K22823
  • [Presentation] Polarized cylinders in Du Val del Pezzo surfaces2025

    • Author(s)
      澤原雅知
    • Organizer
      Conference - Affine Geometry and Birational Geometry
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24K22823
  • [Presentation] Log canonical del Pezzo surfaces of rank one with unique singular points over nonclosed fields2025

    • Author(s)
      澤原雅知
    • Organizer
      日本数学会2025年度年会
    • Data Source
      KAKENHI-PROJECT-24K22823
  • [Presentation] Minimal compactifications of the affine plane with only star-shaped singularities2024

    • Author(s)
      澤原雅知
    • Organizer
      射影多様体の幾何とその周辺 2024
    • Invited
    • Data Source
      KAKENHI-PROJECT-24K22823
  • [Presentation] 高々星型特異点をもつアフィン平面の極小コンパクト化について2024

    • Author(s)
      澤原雅知
    • Organizer
      第7回情報数理セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-24K22823

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