0307139v1

related topics
{let, theorem, proof}
{observables, space, algebra}
{theory, mechanics, state}
{bell, inequality, local}
{algorithm, log, probability}

Generalizations of Kochen and Specker's Theorem and the Effectiveness of Gleason's Theorem

Ehud Hrushovski, Itamar Pitowsky

abstract: Kochen and Specker's theorem can be seen as a consequence of Gleason's theorem and logical compactness. Similar compactness arguments lead to stronger results about finite sets of rays in Hilbert space, which we also prove by a direct construction. Finally, we demonstrate that Gleason's theorem itself has a constructive proof, based on a generic, finite, effectively generated set of rays, on which every quantum state can be approximated.

oai_identifier:
oai:arXiv.org:quant-ph/0307139
categories:
quant-ph
comments:
14 pages, 6 figures, read at the Robert Clifton memorial conference
arxiv_id:
quant-ph/0307139
created:
2003-07-19

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