Anomalous coverings
arXiv:1210.3733
Abstract
We give examples of anomalous two-fold coverings of connected spaces: a. one where is simply connected, b. the other of path-connected spaces that has an Evil Twin; a non equivalent covering with the same image of the fundamental group.
3 pages Version 2 includes added bibliography items (pointed out by Greg Conner) and corrects a few typos