Faber Polynomial Coefficient Estimates for Analytic Bi-Close-to-Convex Functions Defined by Subordination

Abstract

In this work, the Faber polynomial expansions and a different method were employed toestimate the |𝑎𝑛| coefficients of a subclass of bi-close-to-convex functions, which is introducedby subordination concept in the open unit disk. Further, we generalize some of the previousoutcomes.