International Journal of Mathematics and Mathematical Sciences
Volume 25 (2001), Issue 12, Pages 771-775

Partial sums of certain analytic functions

Shigeyoshi Owa

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

Received 3 May 2000

Copyright © 2001 Shigeyoshi Owa. 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.


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.