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Uniqueness and differential polynomials of meromorphic functions sharing\newline a nonzero polynomial
Let k be a nonnegative integer or infinity.For a ∈ C ∪ {∞} we denote by E k (a; f ) the set of all a-points of f where an a-point of multiplicityg) then we say that f and g share the value a with weight k.Using this idea of …