(Non-)Distributivity of the Product for σ-Algebras with Respect to the Intersection
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Abstract
We study the validity of the distributivity equation (A⊗F)∩(A⊗G)=A⊗(F∩G),where A is a σ-algebra on a set X, and F, G are σ-algebras on a set U. We present a counterexample for the general case and in the case of countably generated subspaces of analytic measurable spaces, we give an equivalent condition in terms of the σ-algebras’ atoms. Using this, we give a sufficient condition under which distributivity holds.
Details
| Original language | English |
|---|---|
| Pages (from-to) | 667-675 |
| Number of pages | 9 |
| Journal | Archiv der Mathematik |
| Volume | 116 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jun 2021 |
