International Journal of Mathematics and Mathematical Sciences
Volume 20 (1997), Issue 2, Pages 403-404
doi:10.1155/S0161171297000525
On radii of starlikeness and convexity for convolutions of starlike functions
Yi Ling1
and Shusen Ding2
1Department of Mathematics, Harbin Institute of Technology, Harbin, China
2Department of Mathematics, The Florida State University, Tallahassee 32306-3027, FL, USA
Abstract
In this paper, we obtain the radiuses of univalence, starlikeness and convexity for convolutions of starlike functions.