Kyungpook Mathematical Journal
- Volume 43 Issue 4
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- Pages.579-585
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- 2003
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- 1225-6951(pISSN)
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- 0454-8124(eISSN)
On a Class of Univalent Functions Defined by Ruscheweyh Derivatives
- SHAMS, S. (Fergusson College) ;
- KULKARNI, S.R. (Fergusson College) ;
- JAHANGIRI, JAY M. (Kent State University)
- Received : 2002.11.07
- Published : 2003.11.23
Abstract
A new class of univalent functions is defined by making use of the Ruscheweyh derivatives. We provide necessary and sufficient coefficient conditions, extreme points, integral representations, distortion bounds, and radius of starlikeness and convexity for this class.