NEW SUFFICIENT CONDITIONS FOR STARLIKE AND CONVEX FUNCTIONS

NEW SUFFICIENT CONDITIONS FOR STARLIKE AND CONVEX FUNCTIONS

J. Nishiwaki    S. Owa    

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Abstract

Let A be the class of analytic functions f(z) in the open unit disc. Applying the subordination, some sufficient conditions for starlikeness and convexity are discussed.

Keywords

Analytic function, Starlike of order, Convex of order , Subordination.