2002Unpublished venueRequires access

ON UNIVALENT HARMONIC FUNCTIONS

Metın Öztürk, Sibel Yalçın

Open publisher page 11 citations

Abstract

Two classes of univalent harmonic functions on unit disc satisfying the conditions P 1 are given. That the ranges of the functions belonging to these two classes are starlike and convex, respectively. Sharp coefficient relations and distortion theorems are given for these functions. Furthermore results concerning the convolutions of functions satisfying above inequalities with univalent, harmonic and convex functions in the unit disk and with harmonic functions having positive real part.

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What this paper is about

Two classes of univalent harmonic functions on unit disc satisfying the conditions P 1 are given. That the ranges of the functions belonging to these two classes are starlike and convex, respectively. Sharp coefficient relations and distortion theorems are given for these functions. Furthermore results concerning the convolutions of functions satisfying above inequalities with univalent, harmonic and convex functions in the unit disk and with harmonic functions having positive real part.

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OpenAlex reports 11 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Two classes of univalent harmonic functions on unit disc satisfying the conditions P 1 are given. That the ranges of the functions belonging to these two classes are starlike and convex, respectively. Sharp coefficient relations and distortion theorems are given for these functions. Furthermore results concerning the convolutions of functions satisfying above inequalities with univalent, harmonic and convex functions in the unit disk and with harmonic functions having positive real part.

Key concepts: Mathematics, Unit disk, Harmonic, Harmonic function, Convex function, Regular polygon, Distortion (music), Univalent function

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