On Radius of normalized Bessel functions

Abstract

In this paper, we determine the radius of various starlikeness for the class of normalized Bessel functions of the first kind. We consider the certain subclassess of starlike functions such as the class associated with Booth lemniscate, the rational function ψ(z) = 1+(z(k+z))/(k(k−z)), the class related to the sine function and modified sigmoid.

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