• CERTAIN COEFFICIENT INEQUALITIES FOR SAKAGUCHI TYPE FUNCTIONS AND APPLICATIONS TO FRACTIONAL DERIVATIVES

B. Srutha Keerthi*

Abstract


In the present paper, sharp upper bounds of for the functions f(z) = z + a2z2 + a3z3 +  belonging to a new subclass of Sakaguchi type functions are obtained. Also, application of our results for subclass of functions defined by convolution with a normalized analytic function are given. In particular, Fekete-Szegö inequalities for certain classes of functions defined through fractional derivatives are obtained.

Keywords


Sakaguchi functions, Analytic functions, Subordination, Fekete-Szegö inequality.

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