Re: complete measure

From: Georg (x_at_y.z)
Date: 09/23/04


Date: Thu, 23 Sep 2004 08:50:21 -0400

Man wrote:

>Please help me with this problem:
>
>Let m* is a outer measure on a set W, A* system of of all m*-measurable
>sets A in W, m*|A* - restriction of m* to A*.
>
>I have to prove that
>
>1) m*|A* is complete.
>
>2)If A is a sigma algebra in a set W, w in W and {w} in A, then the Dirac
>measure e_w on A is complete just when A=P(W) (P(W)-power set).
>
>A measure m on a sigma-algebra A in W is called complete if every subset
> of a m-null set belongs to A, and consequently is itself a m-null set.
>Thank you.
>
>
Homework?