σ-algebra

短语

发音

/ˈsɪɡ.mə ˈæl.dʒɪ.bɹə/

词形变化

σ-algebras 复数 σ-algebras

别名

sigma-algebra

释义与例句

n.
  1. 1.

    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.

    数学