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2009 Fiscal Year Self-evaluation Report

Theory of log mixed Hodge structures and its applications to geometry

Research Project

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Project/Area Number 19340008
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionOsaka University

Principal Investigator

USUI Sampei  Osaka University, 大学院・理学研究科, 教授 (90117002)

Project Period (FY) 2007 – 2010
Keywords混合対数ホッジ構造 / モジュライ / 混合版SL(2)軌道 / カラビ・ヤウ多様体 / 一般大域的トレリ定理 / 混合版ボレル・セールコンパクト化 / 対数的中間ヤコビ多様体 / 対数的ネロンモデル
Research Abstract

加藤和也との10年程の共同研究により、対数的ホッジ理論を開発した。さらに中山能力も加わって3人で共同研究を続け、混合版への一般化を始めている。この共同研究を「対数的ホッジ班」として、全期間を通じて本応募の研究計画の中核とする。「幾何学班」「サイクル班」「退化班」と連携して、一般型曲面、カラビ・ヤウ多様体、normal functionなどへの混合対数ホッジ理論の応用を探る。

  • Research Products

    (12 results)

All 2010 2009 2008

All Journal Article (5 results) (of which Peer Reviewed: 1 results) Presentation (6 results) Book (1 results)

  • [Journal Article] Log intermediate Jacobians2010

    • Author(s)
      Kato, K., Nakayama, C., Usui, S.
    • Journal Title

      Proc. Japan Acad., Ser. A 86-4

      Pages: 73-78

  • [Journal Article] Classifying spaces of degenerating mixed Hodge structures, I : Borel-Serre spaces2009

    • Author(s)
      Kato, K., Nakayama, C., Usui, S.
    • Journal Title

      Advanced Studies in Pure Math. 54

      Pages: 187-222

    • Peer Reviewed
  • [Journal Article] On the fixed loci of the canonical systems over normal surface singularities2008

    • Author(s)
      Konno, K.
    • Journal Title

      Asian J. of Math. 12-4

      Pages: 449-464

  • [Journal Article] Generic Torelli theorem for quintic-mirror family2008

    • Author(s)
      Usui, S.
    • Journal Title

      Proc. Japan Acad., Ser. A 17-3

      Pages: 143-146

  • [Journal Article] SL(2)-orbit theorem for degeneration of mixed Hodge structure2008

    • Author(s)
      Kato, K., Nakayama, C., Usui, S.
    • Journal Title

      J. Algebraic Geometry 17-3

      Pages: 401-479

  • [Presentation] Classifying spaces of degenerating mixed Hodge structures I : Spaces of nilpotent orbits ; II : Spaces of SL(2)-orbits (a joint work with C. Nakayama) Hodge theory and algebraic geometry2009

    • Author(s)
      S. Usui, K. Kato
    • Organizer
      Occasion of the 60th birthday of Sampei Usui
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2009-07-01
  • [Presentation] Relative rounding and submersivity of log smooth maps (joint work with Arthur Ogus)2009

    • Author(s)
      Nakayama, C.
    • Organizer
      Occasion of the 60th birthday of Sampei Usui
    • Year and Date
      2009-07-01
  • [Presentation] Certain surface singularities of general type2009

    • Author(s)
      Konno, K.
    • Organizer
      Occasion of the 60th birthday of Sampei Usui
    • Year and Date
      2009-06-29
  • [Presentation] Log Hodge theory and applications to Calabi-Yau threefolds (with Kazuya Kato)2009

    • Author(s)
      臼井三平
    • Organizer
      8th Oka Symposium
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2009-06-07
  • [Presentation] Moduli of polarized logarithmic Hodge structures and period maps (joint work with K. Kato)2008

    • Author(s)
      Usui, S.
    • Organizer
      Regulators and Heights in Algebraic Geometry
    • Place of Presentation
      Alberta, Canada
    • Year and Date
      2008-04-16
  • [Presentation] Log Hodge structure and a geometric application2008

    • Author(s)
      臼井三平
    • Organizer
      Hodge Theory
    • Place of Presentation
      Banff, Canada
    • Year and Date
      2008-04-08
  • [Book] Classifying spaces of degenerating polarized Hodge structures, Ann. Math. Studies 1692009

    • Author(s)
      Kato, K., Usui, S.
    • Total Pages
      347
    • Publisher
      Princeton Univ(Press)

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Published: 2011-06-18   Modified: 2016-04-21  

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