Second Hankel determinant for a class of analytic functions defined by q-derivative operator

Abstract

In this paper, we obtain the estimates for the second Hankel determinant for a class of analytic functions defined by q-derivative operator and subordinate to an analytic function.

Keywords

• analytic functions
• q-derivative
• subordination
• hankel determinant
• primary 30c50, 30c55
• secondary 30c45