Parametrizations of Positive Matrices With Applications

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dc.creatorTseng, M. C.
dc.creatorZhou, Hong
dc.creatorRamakrishna, V.
dc.date2006-10-03
dc.date.accessioned2026-07-07T07:30:19Z
dc.date.available2026-07-07T07:30:19Z
dc.descriptionThis paper reviews some characterizations of positive matrices and discusses which lead to useful parametrizations. It is argued that one of them, which we dub the Schur-Constantinescu parametrization is particularly useful. Two new applications of it are given. One shows all block-Toeplitz states are PPT. The other application is to relaxation rates.
dc.descriptionSubmitted for publication to the refereed book ``Mathematics of Quantum Computation and Technology", and is dedicated to the memory of Professor Tiberiu Constantinescu
dc.identifierhttps://arxiv.org/abs/quant-ph/0610020
dc.identifierhttp://arxiv.org/abs/quant-ph/0610020
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/118417
dc.subjectQuantum Physics
dc.titleParametrizations of Positive Matrices With Applications
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