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

Copyright © 2001 Mamoru Nunokawa et al. 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.

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.