International Journal of Mathematics and Mathematical Sciences
Volume 31 (2002), Issue 11, Pages 659-673
doi:10.1155/S0161171202112300
Argument estimates of certain multivalent functions involving a linear operator
Nak Eun Cho1
, J. Patel2
and G.P. Mohapatra3
1Division of Mathematical Sciences, Pukyong National University, Pusan 608-737, Korea
2Department of Mathematics, Utkal University, Vani Vihar, Bhubaneswar 751 004, India
3Silicon Institute of Technology, Near Infocity, Patia, Bhubaneswar 751035, India
Abstract
The purpose of this paper is to derive some argument properties of certain multivalent functions in the open unit disk involving a linear operator. We also investigate their integral preserving property in a sector.