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Birational-geometric property of moduli of stable sheaves on surfaces

Research Project

Project/Area Number 23740037
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Algebra
Research InstitutionOkayama University of Science

Principal Investigator

Yamada Kimiko  岡山理科大学, 理学部, 准教授 (70384170)

Project Period (FY) 2011-04-28 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsモジュライ / ベクトル束 / 小平次元 / 特異点 / 楕円曲面 / エンリケス曲面 / 双有理幾何学 / 安定層 / 飯高プログラム / 安定連接層 / 代数曲面 / 変形理論 / 双有理幾何 / モジュライ空間 / 安定層のモジュライ / 倉西理論 / 高次元多様体の双有理幾何 / 標準特異点
Outline of Final Research Achievements

Let X be a complex projective surface, and H be an ample line bundle on X. There is a moduli scheme M(H) of H-stable vector bundles on X with fixed Chern classes. M(H) is a specific example of higher-dimensional algebraic variety. In birational geometry, there are several methods and theories to study higher-dimensional varieties V. In this research, we aimed at constructing and interpreting them by moduli-theoretic way in case where V is M(H). Consequently, we calculated the Kodaira dimension of M(H) when (1) X is an Enriques surface or (2) X is an elliptic surface with Kodaira dimension 1 and X has a few singular fibers.

Report

(6 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (4 results)

All 2014 2012 Other

All Presentation (4 results) (of which Invited: 2 results)

  • [Presentation] Singularities on moduli scheme of stable sheaves of Elliptic surfaces2014

    • Author(s)
      Kimiko Yamada
    • Organizer
      第59回代数学シンポジウム
    • Place of Presentation
      東京大学
    • Year and Date
      2014-09-09
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Singularities and Kodaira dimension of moduli scheme of sheaves on Enriques surfaces2012

    • Author(s)
      Kimiko Yamada.
    • Organizer
      研究集会「高次元双有理幾何の周辺」
    • Place of Presentation
      京都大学数理解析研究所
    • Related Report
      2012 Research-status Report
    • Invited
  • [Presentation] Singularities and Kodaira dimension of moduli scheme of sheaves on Enriques surfaces (ポスター発表)2012

    • Author(s)
      Kimiko Yamada.
    • Organizer
      Conference ``Algebraic and complex geometry''
    • Place of Presentation
      Leibniz Universtat Hannover, ドイツ
    • Related Report
      2012 Research-status Report
  • [Presentation] Sigularities and Kodaira dimension of moduli of stable sheaves on Enriques surfaces

    • Author(s)
      山田紀美子
    • Organizer
      東京大学 代数幾何セミナー
    • Place of Presentation
      東京大学
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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