New subclass of harmonic univalent functions defined by a generalised differential operator (Subkelas baharu fungsi univalen harmonik yang ditakrif oleh pengoperasi pembeza teritlak)
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 coef...
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| Main Authors: | , |
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| Format: | Article |
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Penerbit Universiti Kebangsaan Malaysia
2012
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| Online Access: | http://journalarticle.ukm.my/5463/ http://www.ukm.my/jqma/index2.html |
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| Summary: | 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. |
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