International Journal of Mathematics and Mathematical Sciences
Volume 25 (2001), Issue 12, Pages 771-775
doi:10.1155/S0161171201005099

Partial sums of certain analytic functions

Shigeyoshi Owa

Department of Mathematics, Kinki University, Osaka, Higashi-Osaka 577-8502, Japan

Abstract

The object of the present paper is to consider the starlikeness and convexity of partial sums of certain analytic functions in the open unit disk.