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Acta Mathematica Vietnamica

Fekete–Szegö problem for certain classes of analytic functions of complex order defined by the Dziok–Srivastava operator

Tariq Al-Hawary , B. A. Frasin , icon-email M. Darus

Abstract

By using the hypergeometric function defined by the Dziok–Srivastava operator, new subclasses of analytic functions are introduced. For these classes, the Fekete–Szegö problem is obtained. Various known or new special cases of our results are pointed out.