The Alexandroff Duplicate and its subspaces Agata Caserta | Stephen Watson | Show more Agata Caserta Italy Seconda Università degli Studi di Napoli Dipartimento di Matematica Stephen Watson Canada York University Department of Mathematics and Statistics Submitted: 2013-11-15 | Accepted: 2013-11-15 | DOI: https://doi.org/10.4995/agt.2007.1880