On Hastings' Counterexamples to the Minimum Output Entropy Additivity Conjecture
On Hastings' Counterexamples to the Minimum Output Entropy Additivity Conjecture
Hastings recently reported a randomized construction of channels violating the minimum output entropy additivity conjecture. Here we revisit his argument, presenting a simplified proof. In particular, we do not resort to the exact probability distribution of the Schmidt coefficients of a random bipartite pure state, as in the original proof, …