Author:
Hussein Dhirgam Allawy,Mahmood Sahar Jaafar
Abstract
In this paper, we introduce and investigate two subclasses M_Σ^q (λ,γ,h) and H_Σ^q (η,δ,h) of bi-univalent functions defined by quasi-subordination. We find estimates on the Taylor-Maclaurin coefficients |a_2 | and |a_3 | for functions in these subclasses.
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