A Note on Normal Families Concerning Nonexceptional Functions and Differential Polynomials
Abstract
We study normality of a family of meromorphic functions, whose differential polynomials satisfy a certain condition, which significantly improves and generalizes some recent results of Chen (Filomat, 31(14) 2017, 4665-4671). Moreover, we demonstrate, with the help of examples, that the result is sharp.
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