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2010 Fiscal Year Self-evaluation Report

On rational functions and singularities of plane algebraic curves

Research Project

  • PDF
Project/Area Number 20540038
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

SAKAI Fumio  Saitama University, 大学院・理工学研究科, 教授 (40036596)

Project Period (FY) 2008 – 2010
Keywords代数幾何
Research Abstract

平面代数曲線の有理関数体の研究をゴナリティの研究から開始する.これまでの研究により,特異点を持つ平面代数曲線のゴナリティを決定するいくつかの判定法とゴナリティを下から評価する不等式を得ているが,改良の余地のある部分もあると思われるので,これらの結果の一般化を考察する.平面代数曲線の特異点について基礎的な研究をする.平面曲線の多項式変換像やクレモナ変換像についての研究を進める.特に特異点の重複度列などの不変量がどのように変換されるかに関する法則をさらに組織的に追求したい

  • Research Products

    (10 results)

All 2011 2010 2009 2008

All Journal Article (4 results) (of which Peer Reviewed: 2 results) Presentation (6 results)

  • [Journal Article] Weierstrass points and S4 geometry of Picard curves2010

    • Author(s)
      Fumio Sakai
    • Journal Title

      School in Algebraic Geometry 3

      Pages: 143-158

  • [Journal Article] Mohammad Saleem and Keita. Tono, Hyperelliptic plane curves of type(d, d-2)2010

    • Author(s)
      Fumio Sakai
    • Journal Title

      Beitrage zur Algebra und Geometri 51

      Pages: 31-44

    • Peer Reviewed
  • [Journal Article] Geometry and computation of 2-Weierstrass points on Kuribayashi quartic curves2009

    • Author(s)
      Kamel Alwaleed, Fumio Sakai
    • Journal Title

      Saitama Math.J. 26

      Pages: 67-82

    • Peer Reviewed
  • [Journal Article] Geometry of Weierstrass points for 2-parameter families of plane curves2008

    • Author(s)
      Fumio Sakai
    • Journal Title

      第6回代数曲線論シンポジウム報告集(神奈川大学)

      Pages: 94-103

  • [Presentation] On the gonality of singular plane curves II2011

    • Author(s)
      酒井文雄
    • Organizer
      アフィン代数幾何研究集会
    • Place of Presentation
      関西学院大梅田キャンパス(招待講演)
    • Year and Date
      2011-03-05
  • [Presentation] 2-Weierstrass points on Kuribayashi quartic curves2010

    • Author(s)
      酒井文雄
    • Organizer
      Tsuda College Mini-Workshop on Number Theory and Physics at the Crossroads
    • Place of Presentation
      招待講演
    • Year and Date
      2010-08-29
  • [Presentation]2009

    • Author(s)
      酒井文雄
    • Organizer
      Geometry and computation of Weierstrass points
    • Place of Presentation
      神奈川大学富士見高原研修所(招待講演)
    • Year and Date
      2009-09-05
  • [Presentation] Weierstrass points and S4 geometry of Picard curves2008

    • Author(s)
      酒井文雄
    • Organizer
      Tsuda College Mini-Workshop on Number Theory and Physics at the Crossroads
    • Place of Presentation
      招待講演
    • Year and Date
      2008-08-05
  • [Presentation] The gonality and the genus of singular plane curves2008

    • Author(s)
      酒井文雄
    • Organizer
      2nd NIMS School in Algebraic Geometry
    • Place of Presentation
      Daejon, Korea(招待講演)
    • Year and Date
      2008-05-12
  • [Presentation] Weierstrass points and S4 geometry of Picard curves2008

    • Author(s)
      酒井文雄
    • Organizer
      Affine Algebraic Geometry
    • Place of Presentation
      Bangalore, India(招待講演)
    • Year and Date
      2008-02-27

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Published: 2012-02-13   Modified: 2016-04-21  

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