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A class of exposed indecomposable positive maps
Stockholm University, Faculty of Science, Department of Physics. Nicolaus Copernicus University, Poland.
Number of Authors: 22013 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 46, no 1, article id 015306Article in journal (Refereed) Published
Abstract [en]

Exposed positive maps in matrix algebras define a dense subset of extremal maps. We provide a class of indecomposable positive maps in the algebra of 2n x 2n complex matrices with n >= 2. It is shown that these maps are exposed and hence define the strongest tool in entanglement theory to discriminate between separable and entangled states.

Place, publisher, year, edition, pages
2013. Vol. 46, no 1, article id 015306
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Physical Sciences Mathematics
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URN: urn:nbn:se:su:diva-161710DOI: 10.1088/1751-8113/46/1/015306ISI: 000312108600015OAI: oai:DiVA.org:su-161710DiVA, id: diva2:1260976
Available from: 2018-11-06 Created: 2018-11-06 Last updated: 2018-11-07Bibliographically approved

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Sarbicki, GniewomirChruściński, Dariusz
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