Journal of Inequalities and Applications
Volume 2009 (2009), Article ID 683985, 9 pages
doi:10.1155/2009/683985
Research Article

Fractional Calculus and p-Valently Starlike Functions

Osman Altıntaş1 and Öznur Özkan2

1Department of Matematics Education, Başkent University, Bağlıca, TR-06530, Ankara, Turkey
2Department of Statistics and Computer Sciences, Başkent University, Bağlıca, TR 06530, Ankara, Turkey

Received 18 November 2008; Accepted 28 February 2009

Academic Editor: Alberto Cabada

Copyright © 2009 Osman Altıntaş and Öznur Özkan. 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.

Abstract

In this investigation, the authors prove coefficient bounds, distortion inequalities for fractional calculus of a family of multivalent functions with negative coefficients, which is defined by means of a certain nonhomogenous Cauchy-Euler differential equation.