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bn:02824294n
Noun Concept
PT
espaço σ-compacto  espaço sigma-compacto
EN
In mathematics, a topological space is said to be σ-compact if it is the union of countably many compact subspaces. Wikipedia
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Sources
IS A
espaço topológico
HAS KIND
espaço compacto
Wikidata
PT
espaço σ-compacto
Wikidata Alias
PT
espaço sigma-compacto

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