Journal of Inequalities and Applications
Volume 2008 (2008), Article ID 374756, 8 pages
doi:10.1155/2008/374756
Research Article

Sufficient Conditions for Subordination of Multivalent Functions

Öznur Özkan Kılıç

Department of Statistics and Computer Sciences, Başkent University, Bağlıca, Ankara 06530, Turkey

Received 13 January 2008; Accepted 28 March 2008

Academic Editor: Ram Mohapatra

Copyright © 2008 Öznur Özkan Kılıç. 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

The authors investigate various subordination results for some subclasses of analytic functions in the unit disc. We obtain some sufficient conditions for multivalent close-to-starlikeness.