Closure operator: Difference between revisions
Jump to navigation
Jump to search
imported>Richard Pinch (new entry, just a start) |
(No difference)
|
Revision as of 13:34, 27 December 2008
In mathematics a closure operator is a unary operator or function on subsets of a given set which maps a subset to a containing subset with a particular property.
A closure operator on a set X is a function C on the power set of X, , satisfying:
A topological closure operator satisfies the further property