Antonio F. Costa

collaborators

2 papers

math.GT2004

Orientation-reversing free actions on handlebodies

Antonio F. Costa, Darryl McCullough

We examine free orientation-reversing group actions on orientable handlebodies, and free actions on nonorientable handlebodies. A classification theorem is obtained, giving the equ…

math.GT2000

Topological classification of Z_{p}^{m} actions on surfaces

Antonio F. Costa, Sergei M. Natanzon

Let $S$ be a closed (compact without boundary) oriented surface with genus $g$ , and $G$ be a group isomorphic to , where $p$ is a prime integer. A…