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On A Class of Analytic Univalent Function Defined By Ruscheweyh Derivative | ||
| Diyala Journal For Pure Science | ||
| Article 1, Volume 11, Issue 4, 2015, Pages 85-98 | ||
| Authors | ||
| SH. I. Ahmed; H. H.Ebrahim; A.R.S .JUMA | ||
| Abstract | ||
| Making use the Ruscheweyh derivative operator, we introduce and study a certain AHn(δ,α,λ) of univalent analytic function with negative coefficient .In this paper, we obtain coefficient estimates, distortion theorem, radii of starlikness, convexity and modified Hadamard product of functions belonging to the class AHn(δ,α,n) . | ||
| Keywords | ||
| Analytic function; univalent function; Hadmard product; Starlike function; convex functions; Ruscheweyh derivative; AMS subject classifications | ||
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