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An explicit study for K-stability of Fano manifolds

Research Project

Project/Area Number 16H06885
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Algebra
Research InstitutionKyoto University

Principal Investigator

Fujita Kento  京都大学, 数理解析研究所, 助教 (40779146)

Project Period (FY) 2016-08-26 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsファノ多様体 / K安定性 / 極小モデル理論 / ケーラー・アインシュタイン計量
Outline of Final Research Achievements

I mainly treated the problem that which Fano manifolds admit Kaehler-Einstein metrics. It has been know that the existence of Kaehler-Einstein metrics is equivalent to K-stability, a purely algebro-geometric condition. The purpose of the project was to simplify the condition for K-stability of Fano manifolds. More precisely, we simplify "a valuative criterion" for K-stability of Fano manifolds, which is equivalent to K-stability.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • Research Products

    (18 results)

All 2018 2017 2016

All Journal Article (5 results) (of which Peer Reviewed: 3 results,  Acknowledgement Compliant: 1 results) Presentation (13 results) (of which Int'l Joint Research: 8 results,  Invited: 13 results)

  • [Journal Article] Optimal bounds for the volumes of K\"ahler-Einstein Fano manifolds2018

    • Author(s)
      Fujita Kento
    • Journal Title

      American Journal of Mathematics

      Volume: 140 Issue: 2 Pages: 391-414

    • DOI

      10.1353/ajm.2018.0009

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Classification of log del Pezzo surfaces of index three2017

    • Author(s)
      FUJITA Kento, YASUTAKE Kazunori
    • Journal Title

      Journal of the Mathematical Society of Japan

      Volume: 69 Issue: 1 Pages: 163-225

    • DOI

      10.2969/jmsj/06910163

    • NAID

      130005310384

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Related Report
      2017 Annual Research Report 2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On three-dimensional semi-terminal singularities2017

    • Author(s)
      Kento Fujita
    • Journal Title

      Bulletin of the Korean Mathematical Society

      Volume: 54 Pages: 1471-1483

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Examples of K-unstable Fano manifolds with the Picard number 12017

    • Author(s)
      Kento Fujita
    • Journal Title

      Proceedings of the Edinburgh Mathematical Society

      Volume: 60 Issue: 4 Pages: 881-891

    • DOI

      10.1017/s0013091516000432

    • Related Report
      2017 Annual Research Report
  • [Journal Article] On log K-stability for asymptotically log Fano varieties2016

    • Author(s)
      Kento Fujita
    • Journal Title

      Ann. Fac. Sci. Toulouse Math.

      Volume: 25 Issue: 5 Pages: 1013-1024

    • DOI

      10.5802/afst.1520

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Openness results for uniform K-stability2018

    • Author(s)
      Kento Fujita
    • Organizer
      Positivity concepts an holomorphic line bundles and theories on canonical K\"ahler metrics
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] On globally embeddedness of simple normal crossing varieties2018

    • Author(s)
      Kento Fujita
    • Organizer
      Log geometry, degenerations and related topics
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] K-stability of log Fano hyperplane arrangements2018

    • Author(s)
      Kento Fujita
    • Organizer
      The 16th affine algebraic geometry meeting
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Problems on K-stability of log Fano pairs2017

    • Author(s)
      Kento Fujita
    • Organizer
      Workshop on stability and moduli spaces
    • Related Report
      2017 Annual Research Report 2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Uniform K-stability and plt blowups of log Fano pairs2017

    • Author(s)
      Kento Fujita
    • Organizer
      Spring Meeting on Algebraic Geometry
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Uniform K-stability and plt blowups of log Fano pairs2017

    • Author(s)
      Kento Fujita
    • Organizer
      Symposium in Geometry and Differential Equations
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Uniform K-stability and plt blowups of log Fano pairs2017

    • Author(s)
      Kento Fujita
    • Organizer
      Moduli of K-stable varieties
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Openness results for uniform K-stability2017

    • Author(s)
      Kento Fujita
    • Organizer
      Boundedness and Fano varieties
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A valuative criterion for uniform K-stability of log Fano pairs2017

    • Author(s)
      Kento Fujita
    • Organizer
      Classification and Moduli theory of algebraic varieties
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] K-stability of log Fano hyperplane arrangements2017

    • Author(s)
      Kento Fujita
    • Organizer
      Bi-annual Algebraic and Tropical Meetings of Brown and Yale
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A valuative criterion for uniform K-stability of Fano manifolds2016

    • Author(s)
      Kento Fujita
    • Organizer
      第22 回複素幾何シンポジウム(金沢)
    • Place of Presentation
      しいのき迎賓館
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] On the K-stability of Fano varieties and anticanonical divisors2016

    • Author(s)
      Kento Fujita
    • Organizer
      都の西北代数幾何学シンポジウム
    • Place of Presentation
      早稲田大学
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] Remarks on uniform K-stability of log Fano pairs2016

    • Author(s)
      Kento Fujita
    • Organizer
      Workshop on Algebraic Geometry
    • Place of Presentation
      Hanga Roa, Chile
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2016-09-02   Modified: 2019-03-29  

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