Difference between revisions of "Paranormal space"
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| − | A [[topological space]] is said to be '''paranormal''' if every countable discrete collection of [[closed set]]s has a [[locally finite]] open expansion. | + | A [[topological space]] is said to be a '''paranormal space''' (or '''T<sub>6</sub> space''') if every countable discrete collection of [[closed set]]s has a [[locally finite]] open expansion. |
[[category: Topology]] | [[category: Topology]] | ||
Revision as of 02:20, April 7, 2007
A topological space is said to be a paranormal space (or T6 space) if every countable discrete collection of closed sets has a locally finite open expansion.