The Booth Lemniscate Starlikeness Radius for Janowski Starlike Functions

Somya Malik, Rosihan M Ali, V. Ravichandran

The function $G_{\alpha }(z)=1+z/(1-\alpha z^2)$, \, $0\le \alpha <1$, maps the open unit disc $\mathbb{D}$ onto the interior of a domain known as the Booth lemniscate. Associated with this function…