Radii of Starlikeness of Spirallike Functions

Lakshmipriya Arul, Vaithiyanathan Ravichandran

A normalized analytic function $f$ defined on the unit disk $\mathbb{D}$ is called $\alpha$-spirallike if $f(\mathbb{D})$ is an $\alpha$-spirallike domain, that is, for every $z\in f(\mathbb…