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Dergiler / Communications Faculty of Sciences University of Ankara Series A1: Mathematics and Statistics / 2019 / Cilt: 68 - Sayı: 1

COEFFICIENT ESTIMATES FOR CERTAIN SUBCLASS OF MEROMORPHIC AND BI-UNIVALENT FUNCTIONS

Ahmad Zireh, Saideh Hajiparvaneh

Sayfa
654–662
DOI
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Abstract

In this paper, we introduce and investigate an interesting subclassof meromorphic and bi-univalent functions on = fz 2 C : 1 < jzj < 1g.Furthermore, for functions belonging to this class, estimates on the initialcoe¢ cients are obtained. The results presented in this paper would generalizeand improve some recent works of several earlier authors.