Visibility Properties of Spiral Sets

Faustin Adiceam, Ioannis Tsokanos

A spiral in ${\mathbb{R}}^{d+1}$ is defined as a set of the form ${\left\{\sqrt[d+1]{n}\cdot {\mathbf{u}}_n\right\}}_{n\ge 1},$ where ${\left({\mathbf{u}}_n\right)}_{n\ge 1}$ is a sph…