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Results tagged with markov-chains
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user 145533
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Convexity of conditional relative entropy for Markov distributions
Consider two Markov processes $p$ and $q$. The conditional relative entropy between them is
\begin{align}
D(p\parallel q)& =\sum_a p(a)\sum_b p(b\mid a)\log\frac{p(b\mid a)}{q(b\mid a)}\\
& =\sum_{ab …
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