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# Tag Info

$I_{acc}(\rho^{XA})=I(X:A)$, as the state is classical-quantum. The mutual information of product states is the sum of the mutual information of the individual states, it is additive. So since $I_{acc}(\rho^{XA})=I(X:A)$, it inherits this additive property. I will point out, however, that accessible information is not additive. It can be super-additive in ...