Translator Disclaimer
2016 A note on extremal decompositions of covariances
Zoltán Léka
Rocky Mountain J. Math. 46(2): 571-580 (2016). DOI: 10.1216/RMJ-2016-46-2-571

Abstract

We shall present an elementary approach to extremal decompositions of (quantum) covariance matrices determined by densities. We give a new proof on former results and provide a sharp estimate of the ranks of the densities that appear in the decomposition theorem.

Citation

Download Citation

Zoltán Léka. "A note on extremal decompositions of covariances." Rocky Mountain J. Math. 46 (2) 571 - 580, 2016. https://doi.org/10.1216/RMJ-2016-46-2-571

Information

Published: 2016
First available in Project Euclid: 26 July 2016

zbMATH: 1347.62148
MathSciNet: MR3529084
Digital Object Identifier: 10.1216/RMJ-2016-46-2-571

Subjects:
Primary: 62J10, 81Q10
Secondary: 15B48, 15B57

Rights: Copyright © 2016 Rocky Mountain Mathematics Consortium

JOURNAL ARTICLE
10 PAGES


SHARE
Vol.46 • No. 2 • 2016
Back to Top