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2011 Fiscal Year Final Research Report

Geometry of Picard varieties of degenerate varietiesvia log structures

Research Project

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Project/Area Number 21540032
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionYokohama National University

Principal Investigator

KAJIWARA Takeshi  横浜国立大学, 工学研究院, 准教授 (00250663)

Project Period (FY) 2009 – 2011
Keywords代数幾何
Research Abstract

Our research studies log abelian varieties, and their applications, and also structures of valuation rings. We mainly show the following results. First, we give a formulation of logarithmic Picard varieties of degenerate varieties, by using the structures of logarithmic abelian varieties. Next, we construct the moduli spaces of logarithmic elliptic curves. This is a joint work with Kazuya Kato, and Chikara Nakayama. Finally, we prove properness of models of logarithmic abelian varieties associated to complete fans.

  • Research Products

    (2 results)

All 2009 Other

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

  • [Journal Article] Logarithmic abelian varieties, Part III : Logarithmic elliptic curves and modular curves

    • Author(s)
      Takeshi Kajiwara, Kazuya Kato, and Chikara Nakayama
    • Journal Title

      Nagoya Mathematical Journal

    • Peer Reviewed
  • [Presentation] Logarithmic abelian varieties Hodge理論と代数幾何学2009

    • Author(s)
      梶原健
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2009-06-30

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Published: 2013-07-31  

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