International Journal of Mathematics and Mathematical Sciences
Volume 2003 (2003), Issue 65, Pages 4139-4144
doi:10.1155/S0161171203209248

On a class of holomorphic functions defined by the Ruscheweyh derivative

Georgia Irina Oros

Faculty of Mathematics and Computer Science, Babeş-Bolyai University, Cluj-Napoca 400084, Romania

Abstract

By using the Ruscheweyh operator Dmf(z), zU, we will introduce a class of holomorphic functions, denoted by Mnm(α), and obtain some inclusion relations.