Counterexamples to the extendibility of positive unital norm-one maps

DOI10.1016/j.laa.2023.01.003OpenAlexW4229020282WikidataQ124805588 ScholiaQ124805588MaRDI QIDQ2685384

Kenneth R. Davidson, Mizanur Rahaman, Giulio Chiribella, Vern I. Paulsen

Publication date: 21 February 2023

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2204.08819

zbMATH Keywords

positive linear mapsoperator systemquantum channel

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Operator spaces and completely bounded maps (46L07) Operator algebra methods applied to problems in quantum theory (81R15) Convex sets and cones of operators (47L07)

Related Items (2)

Positive maps and entanglement in real Hilbert spaces ⋮ Unnamed Item

Cites Work

• On real operator spaces
• Real operator algebras and real positive maps
• Subalgebras of \(C^ *\)-algebras
• Extension of positive maps
• Positive Linear Maps of Operator Algebras
• Positive maps and entanglement in real Hilbert spaces
• Unnamed Item

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