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Jordan decomposition (of a measure)

From Encyclopedia of Mathematics
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2020 Mathematics Subject Classification: Primary: 28A15 [MSN][ZBL]

For the Jordan decomposition of a signed measure we refer to Jordan decomposition (of a signed measure).

In probability theory, the Jordan decomposition of a probability measure $\mu$ is given as $\mu = p \mu_a + (1-p)\mu_{na}$, where $p\in [0,1]$, $\mu_a$ is an atomic probability measure and $\mu_{na}$ is a nonatomic probability measure. The decomposition into atomic and nonatomic part holds in general for $\sigma$-finite measures. See also Atom.

How to Cite This Entry:
Jordan decomposition (of a measure). Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Jordan_decomposition_(of_a_measure)&oldid=27996