数学物理学报

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代数体函数的正规族定理

甘会林; 孙道椿   

  1. 广东商学院数学与计算科学系 广州 510320
  • 收稿日期:2005-05-08 修回日期:2006-07-15 出版日期:2007-08-25 发布日期:2007-08-25
  • 通讯作者: 甘会林
  • 基金资助:
    国家自然科学基金(10471048)资助

Normality Theorems of Algebroid Functions

Gan Huilin; Sun Daochun

  

  1. School of Mathematical Science, South China Normal University, Guangzhou 510631
  • Received:2005-05-08 Revised:2006-07-15 Online:2007-08-25 Published:2007-08-25
  • Contact: Gan Huilin

摘要:

设F是定义在球面V的子集D上的一族代数体函数,若F中所有f的分支点之和为有限个,且存在三个固定的复值a1,a2,a3使得对每个f都有∑3k=1n(D,ak, f)≤1,则F在D内正规.

关键词: 代数体函数, 正规族, 覆盖曲面.

Abstract: Let F be a family of algebroid functions defined in a subdomain D of the sphere V, if the number of branch points of all f from F is finite, and there exist three fix complex values 1,a2,a3 such that ∑3 k=1n(D,ak,f)≤1 holds for each f\in F, then F is normal in D. Normality Theorems of Algebroid Functions.

Key words: Algebroid function, Normal family, Covering surface.

中图分类号: 

  • 30D45