Free cyclic actions on surfaces and the Borsuk-Ulam theorem

Daciberg Lima Gonçalves, John Guaschi, Vinicius Casteluber Laass

Let $M$ and $N$ be topological spaces, let $G$ be a group, and let $\tau :G\times M\to M$ be a proper free action of $G$. In this paper, we define a Borsuk-Ulam-type…