Approximate quasiorthogonality of operator algebras and relative quantum privacy

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IDL - 58759.pdf (356.15 KB)

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2020-04-03

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Abstract

The paper shows the approximate quasiorthogonality of two operator algebras. The analysis is based on a characterization of the measure of orthogonality in terms of Choi matrices and Kraus operators for completely positive maps. Examples are drawn from different areas of quantum information. In mathematics, orthogonality is the generalization of the notion of perpendicularity to the linear algebra of bilinear forms. In the context of quantum information theory, the operators {Vi} are called the Kraus operators.

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QUANTUM MECHANICS, QUASIORTHOGONAL ALGEBRA, MATHEMATICAL MODELS, CLIMATE CHANGE, SOUTH OF SAHARA, SCIENCE AND TECHNOLOGY, GLOBAL

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http://hdl.handle.net/10625/58759

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IDRC Research Results / Résultats de recherches du CRDI
2020-2029 / Années 2020-2029
Research Results (Foundations for Innovation) / Résultats de recherche (Les Fondements pour l’innovation)