The main result of this note is that an open simply connected 3-manifold W 3 proper homotopically dominated by a weak geometrically simply connected polyhedron is simply connected at innnity. This generalizes the main result of 16].

@inproceedings{Funar2000OnPH,
title={On Proper Homotopy Type and the Simple Connectivity at Innnity of Open 3-manifolds},
author={Louis Funar},
year={2000}
}