International Journal of Mathematics and Mathematical Sciences 
Volume 28 (2001), Issue 1, Pages 51-55
doi:10.1155/S0161171201006202

On the strongly starlikeness of multivalently convex functions of order α

Mamoru Nunokawa,1 Shigeyoshi Owa,2 and Akira Ikeda3

 1Department of Mathematics, University of Gunma, Aramaki Maebashi Gunma, 371-8510, Japan
2Department of Mathematics, Kinki University, Osaka, Higashi-Osaka 577-8502, Japan
3Department of Applied Mathematics, Fukuoka University, Nanakuma Jonan-ku Fukuoka, 814-0180, Japan
Received 16 November 2000

Abstract

The object of the present paper is to derive some sufficient conditions for strongly starlikeness of multivalently convex functions of order α in the open unit disc.