Closed may refer to:
Mathematics
*
Closure (mathematics)
In mathematics, a subset of a given set is closed under an operation of the larger set if performing that operation on members of the subset always produces a member of that subset. For example, the natural numbers are closed under addition, but ...
, a set, along with operations, for which applying those operations on members always results in a member of the set
*
Closed set
In geometry, topology, and related branches of mathematics, a closed set is a set whose complement is an open set. In a topological space, a closed set can be defined as a set which contains all its limit points. In a complete metric spac ...
, a set which contains all its limit points
*
Closed interval
In mathematics, a (real) interval is a set of real numbers that contains all real numbers lying between any two numbers of the set. For example, the set of numbers satisfying is an interval which contains , , and all numbers in between. Othe ...
, an interval which includes its endpoints
*
Closed line segment, a line segment which includes its endpoints
*
Closed manifold
In mathematics, a closed manifold is a manifold without boundary that is compact.
In comparison, an open manifold is a manifold without boundary that has only ''non-compact'' components.
Examples
The only connected one-dimensional example ...
, a compact manifold which has no boundary
Other uses
*
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 grammar, a part of speech or part-of-speech (abbreviated as POS or PoS, also known as word class or grammatical category) is a category of words (or, more generally, of lexical items) that have similar grammatical properties. Words that are ass ...
, in linguistics, a class of words or other entities which rarely changes
See also
*
*
Close (disambiguation)
Close may refer to:
Music
* ''Close'' (Kim Wilde album), 1988
* ''Close'' (Marvin Sapp album), 2017
* ''Close'' (Sean Bonniwell album), 1969
* "Close" (Sub Focus song), 2014
* "Close" (Nick Jonas song), 2016
* "Close" (Rae Sremmurd song), 201 ...
*
Closed loop (disambiguation) Closed loop or closed-loop may refer to:
Mathematics
* Loop (topology), a path whose initial point is equal to its terminal point
* Closed curve, a mathematical curve described as a set of continuous parametric equations over a closed interval of ...
*
Closing (disambiguation)
Closing may refer to:
Business and law
* Closing (law), a closing argument, a summation
* Closing (real estate), the final step in executing a real estate transaction
* Closing (sales), the process of making a sale
* Closing a business, the proc ...
*
Closure (disambiguation)
Closure may refer to:
Conceptual Psychology
* Closure (psychology), the state of experiencing an emotional conclusion to a difficult life event
Computer science
* Closure (computer programming), an abstraction binding a function to its scope
* ...
*
Open (disambiguation)
{{disambiguation