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Dergiler / Communications Faculty of Sciences University of Ankara Series A1: Mathematics and Statistics / 2019 / Cilt: 68 - Sayı: 2

COEFFICIENT ESTIMATES FOR A NEW SUBCLASS OF m-FOLD SYMMETRIC ANALYTIC BI-UNIVALENT FUNCTIONS

Serap BULUT

Sayfa
1401–1410
DOI
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Abstract

Considering a new subclass of m-fold symmetric analytic bi-univalentfunctions, we determine estimates the coe¢ cient bounds for the Taylor-Maclaurincoe¢ cients jam+1j and ja2m+1j of the functions in this class. In certain cases,our estimates improve some of those existing coe§cient bounds.