Draining a polygon - or - rolling a ball out of a polygon

Greg Aloupis, Jean Cardinal, Sébastien Collette, Ferran Hurtado, Stefan Langerman, Joseph O'Rourke. Draining a polygon - or - rolling a ball out of a polygon. Comput. Geom., 47(2):316-328, 2014. [doi]

Abstract

Abstract is missing.