Math Forum http://mathforum.org/kb List of forum topics en Compactification of space without changing the homotopy type http://mathforum.org/kb/thread.jspa?messageID=7932471&tstart=0#7932471 Dec 4, 2012 1:27:09 AM Dec 4, 2012 1:27:09 AM taghavi@du.ac.ir 0