We show that a σ-algebra 𝔹 carries a strictly positive continuous submeasure if and only if 𝔹 is weakly distributive and it satisfies the σ-finite chain condition of Horn and Tarski.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm183-2-7,
author = {Stevo Todorcevic},
title = {A problem of von Neumann and Maharam about algebras supporting continuous submeasures},
journal = {Fundamenta Mathematicae},
volume = {184},
year = {2004},
pages = {169-183},
zbl = {1071.28004},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm183-2-7}
}
Stevo Todorcevic. A problem of von Neumann and Maharam about algebras supporting continuous submeasures. Fundamenta Mathematicae, Tome 184 (2004) pp. 169-183. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm183-2-7/