σ-compact

English

The 'σ' stands for "countable union".

σ-compact (not comparable)

(mathematical analysis, of a set in a topological space) That is expressible as a countable union of compact sets.

单词	σ-compact
释义	σ-compact English Etymology The 'σ' stands for "countable union". Adjective σ-compact (not comparable) (mathematical analysis, of a set in a topological space) That is expressible as a countable union of compact sets. Anagrams accompt
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