Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

Article

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Commun. Korean Math. Soc. 1999; 14(1): 147-156

Printed March 1, 1999

Copyright © The Korean Mathematical Society.

A Certain Class of Analytic Functions Defined by Ruscheweyh Derivatives

S. K. Lee, S. B. Joshi

Gyeongsang National University, Walchand College of Engineering

Abstract

This paper deals with a class $H_{\lambda}^b (A, B, \alpha)$ of analytic functions and we obtain coefficient estimates and related results.

Keywords: analytic function, starlike of order $\alpha$, convex of order $\alpha$, Hadamard product, pre-starlike of order $\alpha$, Ruscheweyh derivative

MSC numbers: Primary 30C45