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Hastings' additivity counterexample via Dvoretzky's theorem
Published 25 Mar 2010 in quant-ph and math.FA | (1003.4925v2)
Abstract: The goal of this note is to show that Hastings' counterexample to the additivity of minimal output von Neumann entropy can be readily deduced from a sharp version of Dvoretzky's theorem on almost spherical sections of convex bodies.
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