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Orthogonality in $$C^{*}$$ C ∗ -algebras

Orthogonality in $$C^{*}$$ C ∗ -algebras The aim in this paper is to study algebraic orthogonality between positive elements of a $$C^{*}$$ C ∗ -algebra in the context of geometric orthogonality. It has been shown that the algebraic orthogonality in certain classes of $$C^{*}$$ C ∗ -algebras is equivalent to geometric orthogonality when supported with some order-theoretic conditions. Further more, algebraic orthogonality between positive elements in a $$C^{*}$$ C ∗ -algebra is also characterized in terms of positive linear functionals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Positivity Springer Journals

Orthogonality in $$C^{*}$$ C ∗ -algebras

Positivity , Volume 20 (3) – Oct 1, 2015

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References (15)

Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Basel
Subject
Mathematics; Fourier Analysis; Operator Theory; Potential Theory; Calculus of Variations and Optimal Control; Optimization; Econometrics
ISSN
1385-1292
eISSN
1572-9281
DOI
10.1007/s11117-015-0375-z
Publisher site
See Article on Publisher Site

Abstract

The aim in this paper is to study algebraic orthogonality between positive elements of a $$C^{*}$$ C ∗ -algebra in the context of geometric orthogonality. It has been shown that the algebraic orthogonality in certain classes of $$C^{*}$$ C ∗ -algebras is equivalent to geometric orthogonality when supported with some order-theoretic conditions. Further more, algebraic orthogonality between positive elements in a $$C^{*}$$ C ∗ -algebra is also characterized in terms of positive linear functionals.

Journal

PositivitySpringer Journals

Published: Oct 1, 2015

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