Harmonic Univalent Functions with Janowski Starlike Analytic Part Emel YAVUZ Abstract In this paper we dffine a new subclass of hronic univalent functions for which analytic part is Janowski Starlike Pisnction, and investigate some properties of this type of functions. Also we give a new copfficient for harnonic: imivalent fimctions. $ine(\downarrow\iota idit,y$
1 Let
Introduction
be the class of analytic functions $w(z)$ in the open unit disc , satisfying $w(O)=0$ and $|w(z)|
