Talk:Measurable space
From Encyclopedia of Mathematics
Revision as of 17:28, 20 December 2011 by Boris Tsirelson (talk | contribs) (the article is also erroneous)
I am afraid, this page is rather obsolete. Nowadays it should be a σ-algebra. If you mean rather a ring etc., then you have to make a reservation. Any objections? I'll wait some days, and if no one will object, I'll change the article accordingly. --Boris Tsirelson 16:38, 1 December 2011 (CET)
In fact, the article is also erroneous. A σ-ring (according to the cited book by Halmos, see page 24) is closed under the formation of countable unions. Therefore the (measurable) sets of finite Lebesgue measure are not a σ-ring. --Boris Tsirelson 18:28, 20 December 2011 (CET)
How to Cite This Entry:
Measurable space. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Measurable_space&oldid=19700
Measurable space. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Measurable_space&oldid=19700