countably I-compact

Last-modified: 2010-09-01 (水) 22:12:52

Definition

A topological space X is called countably I-compact if every countable cover of X by regular closed subsets contains a finite subfamily whose interiors cover X.

Reference

Bassam Al-Nashef, Countalby I-compact spaces, International Journal of Mathematics and Mathematical Sciences, Volume 26 (2001), Issue 12, Pages 745-751.