Definition:Null Measure

Definition
Let $\struct {X, \Sigma}$ be a measurable space.

Then the null measure is the measure defined by:


 * $\mu: \Sigma \to \overline \R: \map \mu E := 0$

where $\overline \R$ denotes the extended real numbers.

Also see

 * Null Measure is Measure
 * Definition:Infinite Measure