ON THE DISTRIBUTION OF MEROMORPHIC FUNCTIONS OF POSITIVE HYPER-ORDER

被引:0
作者
Yang, P. [1 ]
Wang, S. [1 ]
机构
[1] Chengdu Univ Informat Technol, Coll Appl Math, Chengdu 610225, Peoples R China
基金
中国国家自然科学基金;
关键词
meromorphic function; characteristic function; normal family;
D O I
10.1007/s10476-021-0070-1
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let f(z) be a transcendental meromorphic function, whose zeros have multiplicity at least 3. Set alpha(z): = beta(z)exp (gamma(z), where beta(z) is a nonconstant elliptic function and gamma(z) is an entire function. If sigma(f(z)) > sigma(alpha(z)), then f '(z) = alpha(z) has infinitely many solutions in the complex plane.
引用
收藏
页码:243 / 260
页数:18
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