On A SUBCLASS OF UNIVALENT FUNCTIONS WITH NEGATIVE COEFFICIENTS

Subject Analysis
Title On A SUBCLASS OF UNIVALENT FUNCTIONS WITH NEGATIVE COEFFICIENTS
Author(s) ABDUL RAHMAN S. JUMA1 and HAZHA ZIRAR2
Keywords Univalent functions,starlike functions,convex functions,distortion theorem
Abstract In this paper, we have introduced the subclass of univalent functions de ned in the open unit disc and derived some interesting properties like coecient estimates, distortion theorem, extreme points and radii of close- to- convexity , starlikness and convexity.