σ-compact


A topological spaceMathworldPlanetmath is σ-compactPlanetmathPlanetmath if it is a countable union of compact sets.

Title σ-compact
Canonical name sigmacompact
Date of creation 2013-03-22 14:06:10
Last modified on 2013-03-22 14:06:10
Owner Koro (127)
Last modified by Koro (127)
Numerical id 5
Author Koro (127)
Entry type Definition
Classification msc 54D45
Synonym sigma-compact
Synonym sigma compact
Synonym σ compact