HARMONIC UNIVALENT FUNCTIONS WITH VARYING ARGUMENTS DEFINED BY USING SALAGEAN INTEGRAL OPERATOR

RABHA M.  EL-ASHWAH; MOHAMED K.  AOUF; ALAA H.  HASSAN

HARMONIC UNIVALENT FUNCTIONS WITH VARYING ARGUMENTS DEFINED BY USING SALAGEAN INTEGRAL OPERATOR

Authors

RABHA M. EL-ASHWAH Department of Mathematics, Faculty of Science, University of Damietta, New Damietta 34517, Egypt
MOHAMED K. AOUF Department of Mathematics, Faculty of Science, University of Mansoura, Mansoura 33516, Egypt
ALAA H. HASSAN Department of Mathematics, Faculty of Science, University of Zagazig, Zagazig 44519, Egypt

Keywords:

Harmonic functions, Analytic functions, Sense preserving, Salagean integral operator

Abstract

In this paper we define and investigate a new class of harmonic functions defined by using Salagean integral operator with varying arguments. We obtain coefficient inequalities, extreme points and distortion bounds.