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Concept
Point-finite collection
Summary
In mathematics, a collection or family of subsets of a topological space is said to be point-finite if every point of lies in only finitely many members of
A metacompact space is a topological space in which every open cover admits a point-finite open refinement. Every locally finite collection of subsets of a topological space is also point-finite.
A topological space in which every open cover admits a locally finite open refinement is called a paracompact space. Every paracompact space is therefore metacompact.
Official source
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