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In the present paper, the author investigates some subordination and superordination-preserving properties for analytic functions associated with generalized multiplier transformations defined on the space of normalized analytic functions in the open unit disk U. Several Sandwich-type results associated with this transformations is also derived.
In the present paper, we investigate some subordination and superordination preserving properties of analytic functions associated with the Srivastava-Khairnar-More integral operator defined on the space of normalized analytic functions in the open unit disk U. Several sandwich-type results associated with this transformation are derived. Some useful… (More)
Let A be the class of analytic functions in the open unit disk U. a,b c be the operator defined on A by (I a,b c (f))(z) = z 2 F 1 (a, b; c; z) * f (z) where 2 F 1 (a, b; c; z) is the Gaussian hypergeometric function. The function f in A is said to be in the class k − SP a,b c if I a,b c (f) is a k-parabolic starlike function. For this class the… (More)