Difference between revisions of "Closure operator"
From Encyclopedia of Mathematics
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An idempotent operation on a partially ordered set, see [[Closure relation]]. | An idempotent operation on a partially ordered set, see [[Closure relation]]. | ||
| − | In particular, a | + | In particular, a [[Kuratowski closure operator]] defining a topological space, or Čech closure operator operator defining a pre-topological space, see [[Closure space]]. |
See also [[Closed operator]], a linear operator on a Banach space that preserves convergence. | See also [[Closed operator]], a linear operator on a Banach space that preserves convergence. | ||
Latest revision as of 15:54, 19 January 2021
An idempotent operation on a partially ordered set, see Closure relation.
In particular, a Kuratowski closure operator defining a topological space, or Čech closure operator operator defining a pre-topological space, see Closure space.
See also Closed operator, a linear operator on a Banach space that preserves convergence.
How to Cite This Entry:
Closure operator. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Closure_operator&oldid=51436
Closure operator. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Closure_operator&oldid=51436