On Convolution and Convex Combination of Harmonic Mappings

Ahmad Sulaiman Ahmad El-Faqeer, Zhen Chuan Ng, Shamani Supramaniam and V. Ravichandran

Journal of Mathematics, 2021, vol. 2021, 1-12

Abstract: In this paper, the subclass of harmonic univalent functions by shearing construction is studied and this subclass of harmonic mappings needs a necessary and adequate condition to be convex in the horizontal direction. Furthermore, convolutions of two special subclasses of univalent harmonic mappings are shown to be convex in the horizontal direction. Also, the family of univalent harmonic mappings of the unit disk onto a region convex in the direction of the imaginary axis is introduced. Sufficient conditions for convex combinations of harmonic mappings of this family to be univalently convex in the direction of the imaginary axis are obtained.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:6553600

DOI: 10.1155/2021/6553600

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