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On uniqueness of meromorphic functions with shared four values in some angular domains. (English) Zbl 1159.30326

Summary: We prove the uniqueness of meromorphic functions with shared four values in some angular domains. Our results consider the cases of the finite order and infinite order which improved the theorem of J. H. Zheng [Complex variables 48, 777–785 (2003; Zbl 1041.30009)].

MSC:

30D35 Value distribution of meromorphic functions of one complex variable, Nevanlinna theory

Citations:

Zbl 1041.30009
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