Optimizing entropy relative to a channel or a subalgebra

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dc.creatorUhlmann, Armin
dc.date1997-01-14
dc.date.accessioned2026-07-07T06:14:07Z
dc.date.available2026-07-07T06:14:07Z
dc.descriptionAfter recalling definition, monotonicity, concavity, and continuity of a channel's entropy with respect to a state (finite dimensional cases only), I introduce the roof property, a convex analytic tool, and show its use in treating an example. Full proofs and more examples will appear elsewhere. The relation (a la Benatti) to accessible information is mentioned.
dc.description7 pages, latex, no figures. To be published in: Proceedings of the XXI International Colloquium on Group Theoretical Methods in Physics, Goslar 1996
dc.identifierhttps://arxiv.org/abs/quant-ph/9701014
dc.identifierhttp://arxiv.org/abs/quant-ph/9701014
dc.identifierOpen Sys. & Inf. Dyn. 5 (1998) 209-227
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/93344
dc.subjectQuantum Physics
dc.titleOptimizing entropy relative to a channel or a subalgebra
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