Aisha Ahmed Amer, and Maslina Darus, (2012) Certain properties for analytic functions defined by a generalised derivative operator. Journal of Quality Measurement and Analysis, 8 (2). pp. 37-44. ISSN 1823-5670
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Abstract
In this paper, some important properties of analytic functions with negative coefficients defined by a generalised derivative operator are investigated. The properties include the necessary and sufficient conditions, radius of starlikeness, convexity and close-to-convexity.
| Item Type: | Article |
|---|---|
| Keywords: | derivative operator; radius of starlikeness; convexity; close-to-convexity |
| Journal: | Journal of Quality Measurement and Analysis |
| ID Code: | 5922 |
| Deposited By: | Mr Azam |
| Deposited On: | 17 Jan 2013 03:43 |
| Last Modified: | 14 Dec 2016 06:39 |
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