Journal of Inequalities and Applications
Volume 2008 (2008), Article ID 246909, 12 pages
Research Article

On Certain Subclasses of Meromorphic Close-to-Convex Functions

Georgia Irina Oros, Adriana Cătaş, and Gheorghe Oros

Department of Mathematics, University of Oradea, 1, Universităţii street, 410087 Oradea, Romania

Received 20 February 2008; Accepted 31 March 2008

Academic Editor: Narendra Kumar Govil

Copyright © 2008 Georgia Irina Oros et al. 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.


By using the operator Dλnf(z),zU, Definition 2.1, we introduce a class of meromorphic functions denoted by Σ(α,λ,n) and we obtain certain differential subordinations.