On the Second Hankel determinant of Logarithmic Coefficients for certain univalent functions

Abstract

In this paper, we investigate the sharp bounds of the second Hankel determinant of Logarithmic coefficients for the starlike and convex functions with respect to symmetric points in the open unit disk.

Coefficient Estimate on Second Hankel Determinant of the Logarithmic Coefficients for Close-To-Convex Function Subclass with Respect to the Koebe Function

“…The Hankel determinants for their classes have been identified by many researchers. The authors in [4], [6], [12], [13], [16], [19] and [21] are just a few examples. Recently, the author in [15] issued a sharp finding of the Hankel determinants, whose entries are the logarithmic coefficients of…”

“…In addition, the author in [3] found a second Hankel determinant with the logarithmic coefficients for the starlike and convex functions classes with excellent results. During that year, the author in [4] obtained an accurate result of the second Hankel determinant of the logarithmic coefficient for some subclasses of the analytic functions.…”