σ-algebra
Pronunciation
- IPA: /ˈsɪɡ.mə ˈæl.dʒɪ.bɹə/
Full definition of σ-algebra
Noun
σ-algebra
(plural σ-algebras)- (analysis) A collection of subsets of a given set, such that the empty set is part of this collection, the collection is closed under complements (with respect to the given set) and the collection is closed under countable unions.