Topology Atlas Document # paca-25

Countable metric spaces without isolated points

Abhijit Dasgupta

a note in Topology Explained
Document formats
online preview (AtlasImage) 6 pages
DVI file 25.1 Kb
PostScript file 104.4 Kb
Adobe PDF file 137.6 Kb
In this article, we present three proofs of Sierpinski's theorem: Any countable metrizable space without isolated points is homeomorphic to the rationals with the order topology.

Date: June 25, 2005


Copyright © 2005 by Topology Atlas. All rights reserved.