closed set

closed set
a set that contains all of its accumulation points, as the set of points on and within a circle; a set having an open set as its complement.

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Universalium. 2010.

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  • closed — [ klouzd ] adjective ** ▸ 1 covering passage/hole ▸ 2 not doing business ▸ 3 not allowed to everyone ▸ 4 not considering ideas ▸ 5 with fixed number of something ▸ 6 forming complete circle ▸ + PHRASES 1. ) if a door, window, lid, etc. is closed …   Usage of the words and phrases in modern English

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  • Closed manifold — See also: Classification of manifolds#Point set In mathematics, a closed manifold is a type of topological space, namely a compact manifold without boundary. In contexts where no boundary is possible, any compact manifold is a closed manifold.… …   Wikipedia

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