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2008 Fiscal Year Self-evaluation Report

Generalizations of Weierstrass-type representation formulae and their applications to the theory of surfaces with singularities

Research Project

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Project/Area Number 18340019
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionKyushu University

Principal Investigator

KOTARO Yamada  Kyushu University, 大学院・数理学研究院, 教授 (10221657)

Project Period (FY) 2006 – 2008
Keywordsフロント / ワイエルストラス型表現公式 / 特異点
Research Abstract

3次元ユークリッド空間の極小曲面には, 曲面上の複素解析的データによって曲面を具体的に表す「ワイエルストラス表現公式」が知られている.また, いくつかの幾何学的な対象について類似な公式が既にしられている.これらの公式は「特異点」をある種の一般化された曲面のクラスを具体的に表していることがある.このような状況を, 適当な枠組みを設定して考察し, 特異点をもつ曲面が微分幾何学の豊かな研究対象であることを示したい.

  • Research Products

    (13 results)

All 2008 2007 2006

All Journal Article (5 results) Presentation (8 results)

  • [Journal Article] Behavior of corank one singular points on weve fronts2008

    • Author(s)
      K. Saji, M. Umehara and K. Yamada
    • Journal Title

      Kyushu J. Math. 62

      Pages: 259-280

  • [Journal Article] Confluence of swallowtail singularities of the hyperbolic Schwarz maps defined by the hypergeometric differential equation2008

    • Author(s)
      M.Noro, T. Sasaki, K. Yamada and M. Yoshida
    • Journal Title

      Experimentarl Math. 17

      Pages: 191-204

  • [Journal Article] Hyperbolic Schwarz maps for the hypergeoometric differential equation2008

    • Author(s)
      T.Sasaki, M. Yoshida and K. Yamada
    • Journal Title

      Exp. Math. 17

      Pages: 269-282

  • [Journal Article] Singularities of Maxial surfaces2008

    • Author(s)
      S. Fujimori, K. Saji, M. Umehara and K. Yamada
    • Journal Title

      Math. Z. 259

      Pages: 827-848

  • [Journal Article] Flat fronts in hyperbolic 3-space and their caustics2007

    • Author(s)
      M.Kokubu , W. Rossman, M. Umehara and K. Yamada
    • Journal Title

      J. of Math. Soc. Japan 50

      Pages: 265-299

  • [Presentation] Asymptotic behavior of flat surfaces in hyperbolic 3-space2008

    • Place of Presentation
      Universidad de Granada
    • Year and Date
      2008-06-06
  • [Presentation] Spacelike mean curvature one surfaces in de Sitter 3-space2007

    • Place of Presentation
      Northeastern University, Shenyang
    • Year and Date
      2007-10-11
  • [Presentation] Flat fronts in hyperbolic 3-space2007

    • Organizer
      S. S. Chern Institute of Math.
    • Place of Presentation
      Nankai University,Tianjin
    • Year and Date
      2007-08-15
  • [Presentation] Spacelike mean curvature one surfaces in de Sitter 3-space2007

    • Place of Presentation
      京都大学数理解析研究所( 研究集会)
    • Year and Date
      2007-07-11
  • [Presentation] Spacelike mean curvautre one surfaces in de Sitter 3-space2007

    • Place of Presentation
      Universidad de Granada
    • Year and Date
      2007-05-10
  • [Presentation] Spacelike mean curvature one surfaces in de Sitter 3-space2007

    • Place of Presentation
      Mathematische Forschungsinstitute Overwolfach
    • Year and Date
      2007-05-02
  • [Presentation] Global properties of flat fronts in hyperbolic 3-space2006

    • Place of Presentation
      北海道大学
    • Year and Date
      2006-11-17
  • [Presentation] Flat fronts in hyperbolic 3-space2006

    • Place of Presentation
      北海道大学
    • Year and Date
      2006-11-13

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Published: 2010-06-11   Modified: 2016-04-21  

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