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中国科学院大学学报 ›› 2004, Vol. 21 ›› Issue (3): 299-304.DOI: 10.7523/j.issn.2095-6134.2004.3.002

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一类抽象分歧数据在黎曼球面上的实现(英文)

蒋云峰   

  1. 中国科学院数学与系统科学研究院, 北京 100080
  • 发布日期:2004-05-10

Realizability of Some Classes of Abstract Branch Data over Riemann Sphere

JIANG YunFeng   

  1. Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100080, China
  • Published:2004-05-10

摘要:

对一类抽象分歧数据,给出一个充分必要条件,使得它们能够实现为黎曼球面上分歧覆盖的分歧数据。

关键词: 黎曼球面, Riemann-Hurwitz公式, 分歧覆盖

Abstract:

branch data,this paper gives a sufficient and necessary condition of them to be realized as the branch data of some branched coverings over the Riemann sphere.

Key words: Riemann sphere, Riemann Hurwitz formula, branched coverings

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