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K-stability, degeneration of algebraic varieties

Research Project

Project/Area Number 26870316
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Geometry
Algebra
Research InstitutionKyoto University

Principal Investigator

Odaka Yuji  京都大学, 理学研究科, 准教授 (30700356)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywordsモジュライ空間 / 安定性 / 標準Kahler計量 / トロピカル幾何 / モジュライ / Fallings高さ / K-energy / Arakelov幾何 / K安定性 / 双有理幾何学 / ファノ多様体 / 反標準因子 / トロピカル幾何学 / ミラー対称性 / 非アルキメデス幾何 / Donaldson-二木不変量 / Kahler-Einstein計量
Outline of Final Research Achievements

I improved the understanding of stability and moduli of algebraic varieties or arithmetic varieties. I constructed compact algebraic space of KE Fano smoothable varieties. I generalized so-called Faltings height to general arithmetic varieties as modular heights, and then established the basic of arithmetic or Arakelov theoretic aspect of the K-stability and canonical Kahler metrics. I also introduced what I call tropical geometric compactifications of moduli spaces and studied the structure in details. It is closely related to geometric aspect of Mirror symmetry (after Strominger-Yau-Zaslow), tropical geometry and non-archimedean geometry.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (16 results)

All 2017 2016 2015 2014

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Acknowledgement Compliant: 3 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (13 results) (of which Int'l Joint Research: 2 results,  Invited: 6 results)

  • [Journal Article] Compact moduli spaces of Del Pezzo surfaces and Kähler–Einstein metrics2016

    • Author(s)
      Yuji Odaka, Cristiano Spotti, and Song Sun
    • Journal Title

      Journal of Differential Geometry

      Volume: 102, no.1 Pages: 127-172

    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Compact moduli spaces of Kahler-Einstein Fano varieties2015

    • Author(s)
      Yuji Odaka
    • Journal Title

      Publications of the Research Institute for Mathematical Sciences

      Volume: 51, issue 3 Pages: 549-565

    • Related Report
      2015 Research-status Report
    • Acknowledgement Compliant
  • [Journal Article] Invariants of Varieties and Singularities inspired by Kahler-Einstein problems2015

    • Author(s)
      Yuji Odaka
    • Journal Title

      Proc. Japan Academy Ser.A

      Volume: 91 Pages: 50-55

    • NAID

      40020444983

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] On compactifying moduli of Kahler-Einstien manifolds2017

    • Author(s)
      Yuji Odaka
    • Organizer
      Young mathematician lecture (event day), Higher Dimensional Algebraic Geometry, Holomorphic Dynamics and Their Interactions
    • Place of Presentation
      National University of Singapore
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Canonical metrics, moduli-theoretic heights, and singularities.2017

    • Author(s)
      Yuji Odaka
    • Organizer
      KTGU workshop for young researchers (plenary)
    • Place of Presentation
      京都大学
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] Tropical geometric compactifications of moduli2016

    • Author(s)
      Yuji Odaka
    • Organizer
      Tropical geometry and related topics
    • Place of Presentation
      Kyoto university
    • Year and Date
      2016-03-11
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] Tropical geometric compactification / Arithmetic K-stability - generalized Faltings heights2016

    • Author(s)
      Yuji Odaka
    • Organizer
      Complex analysis and algebraic geometry workshop
    • Place of Presentation
      Chalmers工科大学
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] On compactifying moduli of Kahler-Einstien manifolds2016

    • Author(s)
      Yuji Odaka
    • Organizer
      Algebraic geometry -old and new- (Clay math institute)
    • Place of Presentation
      Oxford大学
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Generalized Faltings heights2015

    • Author(s)
      Yuji Odaka
    • Organizer
      Arakelov intercity seminar
    • Place of Presentation
      Kyoto university
    • Year and Date
      2015-09-06
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] Fano多様体のモジュライ理論へのKahler-Einstein計量の応用2015

    • Author(s)
      尾高悠志
    • Organizer
      京都大学 数学談話会
    • Place of Presentation
      京都大学
    • Year and Date
      2015-02-04
    • Related Report
      2014 Research-status Report
  • [Presentation] Kahler-Einstein Fano多様体のモジュライ理論2015

    • Author(s)
      尾高悠志
    • Organizer
      大阪大学 幾何セミナー
    • Place of Presentation
      大阪大学
    • Year and Date
      2015-01-26
    • Related Report
      2014 Research-status Report
  • [Presentation] Canonical Kahler metrics and Moduli of varieties2015

    • Author(s)
      尾高悠志
    • Organizer
      East Asian Core Doctorial Forum on Mathematics
    • Place of Presentation
      National Taiwan university
    • Year and Date
      2015-01-19 – 2015-01-22
    • Related Report
      2014 Research-status Report
  • [Presentation] 代数多様体のモジュライ空間の,Gromov-Hausdorff収束による代数幾何的コンパクト化(K-moduli)とトロピカル幾何的コンパクト化2014

    • Author(s)
      尾高悠志
    • Organizer
      九州大学 幾何セミナー
    • Place of Presentation
      九州大学
    • Year and Date
      2014-12-12
    • Related Report
      2014 Research-status Report
  • [Presentation] K-stability and Moduli of Fano manifolds2014

    • Author(s)
      尾高悠志
    • Organizer
      KIAS algebraic geometry seminar
    • Place of Presentation
      Korean Institute for Advanced Studies
    • Year and Date
      2014-10-24
    • Related Report
      2014 Research-status Report
  • [Presentation] Compactifications of Moduli of Kahler-Einstein manifolds via Gromov-Hausdorff limits2014

    • Author(s)
      尾高悠志
    • Organizer
      Pacific Rim Complex Geometry meeting (ICM satellite)
    • Place of Presentation
      Ritz hotel, Gunsan, Korea
    • Year and Date
      2014-07-27 – 2014-07-31
    • Related Report
      2014 Research-status Report
  • [Presentation] K安定性,CM線束,高さ2014

    • Author(s)
      尾高悠志
    • Organizer
      京都大学 代数幾何学セミナー
    • Place of Presentation
      京都大学
    • Year and Date
      2014-04-18
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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