Uniqueness of meromorphic functions sharing a meromorphic function of a smaller order with their derivatives

被引:5
|
作者
Li, Xiao-Min [1 ]
Yi, Hong-Xun [2 ]
机构
[1] Ocean Univ China, Dept Math, Qingdao 266071, Shandong, Peoples R China
[2] Shandong Univ, Dept Math, Jinan 250100, Shandong, Peoples R China
关键词
entire function; order of growth; shared value; uniqueness;
D O I
10.4064/ap98-3-1
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove some uniqueness theorems for meromorphic functions and their derivatives that share a meromorphic function whose order is less than those of the above meromorphic functions. The results in this paper improve those given by G. C. Gundersen & L. Z. Yang, J. P. Wang, J. M. Chang & Y. Z. Zhu, and others. Some examples are provided to show that our results are the best possible.
引用
收藏
页码:207 / 219
页数:13
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