Journal of Inequalities and Applications
Volume 2008 (2008), Article ID 134932, 12 pages
Research Article

A New Subclass of Analytic Functions Defined by Generalized Ruscheweyh Differential Operator

Serap Bulut

Civil Aviation College, Kocaeli University, Arslanbey Campus, 41285 İzmit-Kocaeli, Turkey

Received 1 July 2008; Accepted 3 September 2008

Academic Editor: Narendra Kumar Govil

Copyright © 2008 Serap Bulut. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We investigate a new subclass of analytic functions in the open unit disk 𝕌 which is defined by generalized Ruscheweyh differential operator. Coefficient inequalities, extreme points, and the integral means inequalities for the fractional derivatives of order p+η(0pn,0η<1) of functions belonging to this subclass are obtained.