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Coefficient Estimates for Two Subclasses of Analytic and Bi-Univalent Functions
Journal article   Peer reviewed

Coefficient Estimates for Two Subclasses of Analytic and Bi-Univalent Functions

A. Y. Lashin
Ukrainian mathematical journal, Vol.70(9), pp.1484-1492
01/02/2019
DOI: https://doi.org/10.1007/s11253-019-01582-2

Abstract

Mathematics Mathematics, Applied Physical Sciences Science & Technology
We introduce two new subclasses of the class ? of analytic and bi-univalent functions in the open unit disk U. Furthermore, we establish estimates for the first two Taylor-Maclaurin coefficients |a(2)| and |a(3)| of the functions from these new subclasses.

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