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

COEFFICIENT ESTIMATES FOR BI-CONCAVE FUNCTIONS

Pages
53–60
DOI
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Abstract

In this study,a new class C p;q ( ) of analytic and bi-concave functions were presented in the open unit disc. The coe¢ cients estimates on the Örst two Taylor-Maclaurin coe¢ cients ja2j and ja3j were found for functions belonging to this class.