Closed
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Look up closed in Wiktionary, the free dictionary.
Closed may refer to:
Mathematics
[edit]- Closure (mathematics), a set, along with operations, for which applying those operations on members always results in a member of the set
- Closed set, a set which contains all its limit points
- Closed interval, an interval which includes its endpoints
- Closed line segment, a line segment which includes its endpoints
- Closed manifold, a compact manifold which has no boundary
- Closed differential form, a differential form whose exterior derivative is 0
Other uses
[edit]- Closed (poker), a betting round where no player will have the right to raise
- Closed (album), a 2010 album by Bomb Factory
- Closed GmbH, a German fashion brand
- Closed class, in linguistics, a class of words or other entities which rarely changes