Salma Faraj Ramadan, and Maslina Darus, (2012) New subclass of harmonic univalent functions defined by a generalised differential operator (Subkelas baharu fungsi univalen harmonik yang ditakrif oleh pengoperasi pembeza teritlak). Journal of Quality Measurement and Analysis, 8 (1). pp. 97-109. ISSN 1823-5670
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Abstract
Let SH denote the class of functions =fhg+ which are harmonic univalent and sense preserving in the unit disk U. Earlier we have introduced a class of harmonic functions defined by a generalised differential operator. In this paper we introduce a new subclass of this class and obtain results on coefficient bounds, distortion and extreme points.
| Item Type: | Article |
|---|---|
| Keywords: | Univalent functions; harmonic functions; generalised differential operator |
| Journal: | Journal of Quality Measurement and Analysis |
| ID Code: | 5463 |
| Deposited By: | Mr Azam |
| Deposited On: | 17 Aug 2012 02:52 |
| Last Modified: | 28 Aug 2012 08:31 |
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