International Journal of Mathematics and Mathematical Sciences
Volume 13 (1990), Issue 2, Pages 331-336
doi:10.1155/S0161171290000485
On the bounds of multivalently starlikeness and convexity
Shigeyoshi Owa1
and Mamoru Nunokawa2
1Department of Mathematics, Kinki University, Osaka, Higashi-Osaka 577, USA
2Department of Mathematics, Gunma University, Aramaki, Gunma, Maebashi 371, USA
Abstract
The object of the present paper is to prove some interesting results for the bounds of starlikeness and convexity of certain multivalent functions.