COEFFICIENT ESTIMATES FOR BI-UNIVALENT MA-MINDA TYPE FUNCTIONS ASSOCIATED WITH q-DERIVATIVE

COEFFICIENT ESTIMATES FOR BI-UNIVALENT MA-MINDA TYPE FUNCTIONS ASSOCIATED WITH q-DERIVATIVE

H. Shamsan, R. S. A. Qahtan, S. Latha

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Abstract

In this article, we consider a new subclasses of analytic and bi-univalent functions associated with q-derivative in the open unit disk. We obtain coecient bounds for the Taylor-Maclaurin coecients ja2j and ja3j of the functions from these new subclasses.

Keywords

Subordination, Bi-univalent functions, q-derivative, q-starlike functions, q- convex functions.