Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8904118 | Topology and its Applications | 2018 | 9 Pages |
Abstract
(b) If X is connected then: X is countably compact iff every open cover of X has a Lebesgue number iff for every two closed and disjoint subsets A,B of X, d(A,B)>0.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Geometry and Topology
Authors
Kyriakos Keremedis,