具有四个公共值的亚纯函数  

MEROMORPHIC FUNCTIONS THAT SHARE FOUR VALUES

作　　者：仪洪勋 周长桐[1] 

机构地区：[1]泰安师专数学系

出　　处：《山东大学学报（自然科学版）》1996年第2期121-128,共8页Journal of Shandong University(Natural Science Edition)

基　　金：国家自然科学基金

摘　　要：研究了具有四个公共值的亚纯函数的唯一性问题，改进了Ｎｅｖａｎｌｉｎｎａ，Ｇｕｎｄｅｒｓｅｎ，Ｍｕｅｓ等的有关定理．The problem of the uniqueness of meromorphic functions that share four values is discussed,some theorems of Nevanlinna, Gundensen, Mues and Wang are improved. The following theorem is proved:Let f and g be two distinct nonconstant meromorphic functions sharing four values. Suppose that two of these values, say al and a2,satisfy r(a2) and Then f and g share all four values CM.

关 键 词：公共值 唯一性定理 值分布论 半纯函数 

分 类 号：O174.52[理学—数学]