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Deriving a lower bound on the conditional entropy, conditioned on an event
I came across Lemma 19 in Certifying Equality With Limited Interaction, which states the following for jointly distributed random variables $Z$, $W$, where $Z$ takes values in $\{0,1\}^n$, and some ...
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Decomposition of Mutual Information [closed]
I came across a book where the author uses the following property of mutual information:
Let $X$,$Y$,$Z$ be arbitrary discrete random variables and let $W$ be an indicator random variable.
$$
(1)\ \ ...
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