On open 3-manifolds proper homotopy equivalent to geometrically-simply connected polyhedra
Abstract
Description
We prove that an open 3-manifold proper homotopy equivalent to a geometrically simply connected polyhedron is simply connected at infinity, generalizing a theorem of V.Poenaru.
revised version, 11 pages, Topology Appl. (to appear)
revised version, 11 pages, Topology Appl. (to appear)