International Journal of Mathematics and Mathematical Sciences
Volume 19 (1996), Issue 2, Pages 381-388
doi:10.1155/S016117129600052X
Extreme points and convolution properties of some classes of multivalent functions
O.P. Ahuja
Division of Mathematics, National Institute of Education, Nanyang Technological University, 469 Bukit Timah Road, Singapore 259756, Singapore
Abstract
This paper deals with the extreme points of closed convex hulls of the classes of multivalent functions related to Ruscheweyh derivatives and then these are used to determine the coefficient bounds. Finally, we investigate convolution conditions and other properties of the functions in these classes.