On a class of sakaguchi functions related to Bernoulli lemniscate and modified sigmoid function

Abstract

The aim of this investigation is to provide further results on a class of Sakaguchi functions related to Bernoulli Lemniscate and modified sigmoid function for the class SL(s, t, Φm,n). Early few coefficient bounds of f(z) together with sharp inequalities for the Fekete-Szegö were obtained.