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Naoto Yotsutani  四ッ谷 直仁

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Yotsutani Naoto  四ッ谷 直仁

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Researcher Number 00806755
Other IDs
Affiliation (Current) 2025: 静岡大学, 理学部, 准教授
Affiliation (based on the past Project Information) *help 2018 – 2024: 香川大学, 教育学部, 准教授
Review Section/Research Field
Principal Investigator
Basic Section 11020:Geometry-related
Keywords
Principal Investigator
T-variety / カラビ-ヤウ多様体 / ケーラー多様体 / トーリック多様体 / 複素構造変形理論 / 自明な標準束を持つ複素曲面 / 幾何学的不変式論と安定性 / GKZ理論 / トーリックケーラー多様体 / モジュライ理論 … More / 特殊リーマン計量 / 自己同型群 / トーリック幾何学 / Gluing構成 / Fano多様体 / δ不変量 / ファノ多様体 / モジュライ空間 / GIT-安定性 / ボット多様体 / K3曲面 / GKZ-理論 / 凸多面体上のBernstein測度 / Bott多様体 / ケーラー計量 / 凸多面体の三角形分割 / 球形多様体 Less
  • Research Projects

    (3 results)
  • Research Products

    (54 results)
  • Co-Researchers

    (2 People)
  •  凸多面体の解析を戦略としたG-多様体上標準計量存在問題への確率論的アプローチPrincipal Investigator

    • Principal Investigator
      四ッ谷 直仁
    • Project Period (FY)
      2024
    • Research Category
      Fund for the Promotion of Joint International Research (Fostering Joint International Research)
    • Review Section
      Basic Section 11020:Geometry-related
    • Research Institution
      Kagawa University
  •  Research on the relationship between canonical metrics and deformations of complex structures on compact Kahler manifoldsPrincipal Investigator

    • Principal Investigator
      四ッ谷 直仁
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 11020:Geometry-related
    • Research Institution
      Kagawa University
  •  A deeper understanding of moduli theory integrated by special Riemannian metrics and convex polytopesPrincipal Investigator

    • Principal Investigator
      Yotsutani Naoto
    • Project Period (FY)
      2018 – 2023
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 11020:Geometry-related
    • Research Institution
      Kagawa University

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Strong Calabi dream Bott manifolds2024

    • Author(s)
      Fujita Kento、Yotsutani Naoto
    • Journal Title

      ANNALI DELL'UNIVERSITA' DI FERRARA

      Volume: - Issue: 3 Pages: 607-630

    • DOI

      10.1007/s11565-023-00484-3

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22K03269, KAKENHI-PROJECT-22K03316, KAKENHI-PROJECT-18K13406
  • [Journal Article] Corrigenda: Relative algebro-goemetric stabilities of toric manifolds(TOHOKU MATH. J. 71 (2019), 495-524)2023

    • Author(s)
      Yotsutani Naoto, Zhou Bin
    • Journal Title

      Tohoku Math Journal

      Volume: 75 Pages: 1-5

    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Journal Article] Differential geometric global smoothings of simple normal crossing complex surfaces with trivial canonical bundle2023

    • Author(s)
      Doi Mamoru、Yotsutani Naoto
    • Journal Title

      Complex Manifolds

      Volume: 10 Issue: 1

    • DOI

      10.1515/coma-2022-0143

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K03316, KAKENHI-PROJECT-18K13406
  • [Journal Article] Diffeomorphism classes of the doubling Calabi-Yau threefolds with Picard number two2023

    • Author(s)
      Yotsutani Naoto
    • Journal Title

      Rendiconti del Circolo Matematico di Palermo Series 2

      Volume: 856

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] Corrigenda: Relative algebro-goemetric stabilities of toric manifolds(TOHOKU MATH. J. 71 (2019), 495-524)2023

    • Author(s)
      Yotsutani Naoto, Zhou Bin
    • Journal Title

      Tohoku Math Journal

      Volume: 75 Pages: 1-5

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] Relative Ding and K-stability of toric Fano manifolds in low dimensions2023

    • Author(s)
      Yasufumi Nitta, Shunsuke Saito and Naoto Yotsutani
    • Journal Title

      European Journal of Mathematics

      Volume: 9 Issue: 2

    • DOI

      10.1007/s40879-023-00617-0

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K03234, KAKENHI-PROJECT-22K03316, KAKENHI-PROJECT-18K13406, KAKENHI-PROJECT-20K14321
  • [Journal Article] Asymptotic Chow Semistability Implies Ding Polystability for Gorenstein Toric Fano Varieties2023

    • Author(s)
      Yotsutani Naoto
    • Journal Title

      Mathematics

      Volume: 11 Issue: 19 Pages: 4114-4114

    • DOI

      10.3390/math11194114

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-22K03316, KAKENHI-PROJECT-18K13406
  • [Journal Article] Diffeomorphism classes of the doubling Calabi-Yau threefolds with Picard number two2023

    • Author(s)
      Yotsutani Naoto
    • Journal Title

      Rendiconti del Circolo Matematico di Palermo Series 2

      Volume: 856 Issue: 6 Pages: 3255-3275

    • DOI

      10.1007/s12215-022-00856-2

    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Journal Article] Corrigenda to "Doubling construction of Caleb-Yau threefolds"2021

    • Author(s)
      Mamoru Doi, Naoto Yotsutani
    • Journal Title

      New York Journal of Mathematics

      Volume: 27 Pages: 475-476

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] A summary of global smoothings of normal crossing complex surfaces2020

    • Author(s)
      Naoto Yotsutani
    • Journal Title

      代数幾何学シンポジウム記録2020

      Volume: 2020 Pages: 11-23

    • NAID

      120006952795

    • Open Access
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] Relative Algebro-Geometric stabilities of toric manifolds2019

    • Author(s)
      Naoto Yotsutani and Zhou Bin
    • Journal Title

      Tohoku Mathematical Journal

      Volume: 印刷中

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] Gluing construction of compact Spin(7)-manifolds2019

    • Author(s)
      Mamoru Doi and Naoto Yotsutani
    • Journal Title

      Journal of the Mathematical Society of Japan

      Volume: 71 Issue: 2 Pages: 349-382

    • DOI

      10.2969/jmsj/77007700

    • NAID

      130007636381

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Language
      English
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] On uniform K-stability of pairs for algebraic curves2019

    • Author(s)
      Naoto Yotsutani
    • Journal Title

      RIMS Kokyuroku

      Volume: 2140 Pages: 80-93

    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] Relative Algebra-Geomteric stabilities of toric manifolds2019

    • Author(s)
      Naoto Yotsutani, Bin Zhou
    • Journal Title

      Tohoku Mathematical Journal

      Volume: 71 Pages: 495-524

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Journal Article] On the relation between uniform K-stability and Chow stability of toric varieties2018

    • Author(s)
      Naoto Yotsutani
    • Journal Title

      なし

      Volume: 2098 Pages: 60-67

    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Numerical semistability of projective toric varieties2024

    • Author(s)
      Yotsutani Naoto
    • Organizer
      Workshop on Fano spherical varieties - 2024
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Semistable pairs of projective toric varieties2024

    • Author(s)
      Yotsutani Naoto
    • Organizer
      Advances in special Kahler metrics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Numerical semistability of projective toric varieties2024

    • Author(s)
      Yotsutani Naoto
    • Organizer
      Workshop on Fano spherical varieties - 2024
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Differential geometric global smoothings of SNC complex surfaces with trivial canonical bundle2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      東北大学幾何学セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Strong Calabi dream structure of Bott manifolds2023

    • Author(s)
      四ッ谷直仁
    • Organizer
      Toric Topology 2023 in Osaka
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Bott Manifolds with the Strong Calabi Dream Structure2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      金沢トポロジーセミナー
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Differential geometric global smoothings of SNC complex surfaces with trivial canonical bundle2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      東北大学幾何学セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Bott Manifolds with the Strong Calabi Dream Structure2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      金沢トポロジーセミナー
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Semistable pairs of projective toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      Peking University Geometric Analysis seminar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Semistable pairs of projective toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      Peking University Geometric Analysis seminar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Semistable pairs of projective toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      The 8th China-Japan Geometry Conference
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Semistable pairs of projective toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      The 8th China-Japan Geometry Conference
    • Invited
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Strong Calabi dream structure of Bott manifolds2023

    • Author(s)
      四ッ谷直仁
    • Organizer
      Toric Topology 2023 in Osaka
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Chow stability and non-symmetric toric Fano manifolds2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      IBS Center for Complex Geometry Seminar
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Chow stability and non-symmetric toric Fano manifolds2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      IBS Center for Complex Geometry Seminar
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Semistable pairs of projective toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      Advances in special Kahler metrics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Chow stability of λ-stable toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      福井大学幾何学セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] Chow stability of λ-stable toric varieties2023

    • Author(s)
      Yotsutani Naoto
    • Organizer
      福井大学幾何学セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphism classes of the doubling Calabi-Yau threefolds2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      2023年度日本数学会秋季総合分科会(北海道大学)
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] 自明な標準束をもつ単純正規交叉複素曲面の微分幾何学的大域スムージングについて2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      専門家向け勉強会「ケーラー多様体上の標準計量とその周辺3」
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphism classes of the doubling Calabi-Yau threefolds2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      2022年度日本数学会年会(埼玉大学)
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphism classes of the doubling Calabi-Yau threefolds2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      2023年度日本数学会秋季総合分科会(北海道大学)
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] 自明な標準束をもつ単純正規交叉複素曲面の微分幾何学的大域スムージングについて2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      専門家向け勉強会「ケーラー多様体上の標準計量とその周辺3」
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] 自明な標準束をもつ単純正規交叉複素曲面の微分幾何学的大域スムージングの応用について2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      2023年度日本数学会秋季総合分科会(北海道大学)
    • Data Source
      KAKENHI-PROJECT-22K03316
  • [Presentation] 自明な標準束をもつ単純正規交叉複素曲面の微分幾何学的大域スムージングの応用について2022

    • Author(s)
      四ッ谷直仁
    • Organizer
      2023年度日本数学会秋季総合分科会(北海道大学)
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphism classes of the doubling Calabi-Yau threefolds2021

    • Author(s)
      四ッ谷直仁
    • Organizer
      可微分写像の特異点論及びその応用
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphic classes of the doubling Caleb-Yau threefolds2020

    • Author(s)
      Naoto Yotsutani
    • Organizer
      Geometry Seminar at Shanghai Tech University
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Global smoothings of degenerate K3 surfaces with triple points2020

    • Author(s)
      Naoto Yotsutani
    • Organizer
      The 26th Symposium on Complex geometry
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Global smoothings of degenerate K3 surfaces with triple points2020

    • Author(s)
      Naoto Yotsutani
    • Organizer
      城崎代数幾何シンポジウム2020
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphic classes of the doubling Caleb-Yau threefolds2020

    • Author(s)
      Naoto Yotsutani
    • Organizer
      Geometry Seminar at Tongji University
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Bott-Chern Classes and GIT-stability2020

    • Author(s)
      Naoto Yotsutani
    • Organizer
      ケーラー多様体上の標準軽量とその周辺
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Diffeomorphic classes of the doubling Caleb-Yau threefolds2020

    • Author(s)
      Naoto Yotsutani
    • Organizer
      Topology seminar at Fudan University
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] The Delta invariant and the various GIT-stability notions of toric Fano varieties2019

    • Author(s)
      Naoto Yotsutani
    • Organizer
      ファノ多様体及び関連する代数幾何学
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] On uniform K-stability of pairs for complex vector bundles2019

    • Author(s)
      Naoto Yotsutani
    • Organizer
      北九州幾何学研究集会 2019
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] On Uniform K-stability of pairs for algebraic curves2019

    • Author(s)
      Naoto Yotsutani
    • Organizer
      Geometric Analysis seminar at Peking University
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] The Loewy filtration and automorphism groups of toric varieties2018

    • Author(s)
      Naoto Yotsutani
    • Organizer
      RIMS Conference:Geometry, Algebra and Combinatorics in Transformation group theory
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] Geometric Invariants and singularities from the viewpoint of cscK metrics2018

    • Author(s)
      Naoto Yotsutani
    • Organizer
      RIMS Workshop:Research on topology and differential geometry using singularity theory of differentiable maps
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] A New notion GIT-stability: Uniform K-stability of pairs2018

    • Author(s)
      Naoto Yotsutani
    • Organizer
      Journal Club in Kahler Geometry @ Fukuoka I
    • Data Source
      KAKENHI-PROJECT-18K13406
  • [Presentation] On uniform K-stability of pairs for algebraic curves2018

    • Author(s)
      Naoto Yotsutani
    • Organizer
      Journal Club in Kahler Geometry @ Fukuoka II
    • Data Source
      KAKENHI-PROJECT-18K13406
  • 1.  藤田 健人
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 2.  新田 泰文
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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