The conundrum of secure positioning

Gilles Brassard ()
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Gilles Brassard: Université de Montréal, Montréal, Québec H3C 3J7, Canada.

Nature, 2011, vol. 479, issue 7373, 307-308

Abstract: Quantum information has been suggested as a means to prove beyond doubt a person's exact spatial position. But it turns out that all attempts to solve this problem using such an approach are doomed to failure.

Date: 2011
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DOI: 10.1038/479307a

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