HANKEL DETERMINANT ASSOCIATED WITH LOGISTIC SIGMOID FUNCTIONS IN THE SPACE OF λ-PSEUDO-STARLIKE

The goal of this study is to find the sharp upper bounds for functions belonging to the logistic type class L (,). We looked at how these bounds applied to the Fekete-Szego functional |a3-a22 | and the second Hankel determinant |a2a4-a23 |.

Please see the link :- https://www.ikprress.org/index.php/AJOMCOR/article/view/717