View source for Compactness

From Maths

← Compactness

Jump to: navigation, search

You do not have permission to edit this page, for the following reason:

The action you have requested is limited to users in the group: Users.

You can view and copy the source of this page:

==Definition==
A [[Topological space|topological space]] is compact if every [[Open covering|open cover]] (often denoted <math>\mathcal{A}</math>) of <math>X</math> contains a finite sub-collection that also covers <math>X</math>

==Lemma for a set being compact==
{{Todo|Note: details on Munkres p164}}


{{Definition|Topology}}

Templates used on this page:

Return to Compactness.

Retrieved from "https://www.maths.kisogo.com/index.php?title=Compactness"

Navigation menu