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math.HO1999
Machines, Logic and Quantum Physics
David Deutsch, Artur Ekert, Rossella Lupacchini
Though the truths of logic and pure mathematics are objective and independent of any contingent facts or laws of nature, our knowledge of these truths depends entirely on our knowl…
quant-ph1999
Information Flow in Entangled Quantum Systems
David Deutsch, Patrick Hayden
All information in quantum systems is, notwithstanding Bell's theorem, localised. Measuring or otherwise interacting with a quantum system S has no effect on distant systems from w…