The Importance of Being Unistochastic

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dc.creatorBengtsson, Ingemar
dc.date2004-03-11
dc.date.accessioned2026-07-07T06:09:17Z
dc.date.available2026-07-07T06:09:17Z
dc.descriptionA bistochastic matrix is a square matrix with positive entries such that rows and columns sum to unity. A unistochastic matrix is a bistochastic matrix whose matrix elements are the absolute values squared of a unitary matrix. We can now ask questions such as when a given bistochastic matrix is unistochastic. I review these questions: Why they are asked, why they are difficult to answer, and what is known about them.
dc.description8 pages, contribution to the Second Vaxjo Conference of Quantum Theory: Reconsideration of Foundations
dc.identifierhttps://arxiv.org/abs/quant-ph/0403088
dc.identifierhttp://arxiv.org/abs/quant-ph/0403088
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/91910
dc.subjectQuantum Physics
dc.titleThe Importance of Being Unistochastic
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