Compact

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Compact as used in politics may refer broadly to a pact or treaty; in more specific cases it may refer to:


Mathematics[edit]

  • Compact element, those elements of a partially ordered set that cannot be subsumed by a supremum of any directed set that does not already contain them
  • Compact operator, a linear operator that takes bounded subsets to relatively compact subsets, in functional analysis
  • Compact space, a topological space such that every open cover has a finite subcover
  • Quasi-compact morphism, a morphism of schemes for which the inverse image of any quasi-compact open set is again quasi-compact

Other uses[edit]

See also[edit]