International Journal of Mathematics and Mathematical Sciences
Volume 19 (1996), Issue 4, Pages 797-800
doi:10.1155/S016117129600110X
Neighborhoods of certain analytic functions with negative coefficients
Osman Altintas1
and Shigeyoshi Owa2
1Department of Mathematics, Hacettepe University, Beytepe, Ankara, Turkey
2Department of Mathematics, Kinki University, Osaka, Higashi-Osaka 577, Japan
Abstract
The object of the present paper is to derive some properties of neighborhoods of analytic functions with negative coefficients in the open unit disk.