Chain rules for canonical state extensions on von Neumann algebras

DOI10.4064/cm-64-1-115-119zbMath0844.46034OpenAlexW1021610177MaRDI QIDQ4322386

Carlo Cecchini, Dénes Petz

Publication date: 3 September 1996

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/210160

zbMATH Keywords

chain rulenorm one projectionvon Neumann subalgebrastandard form of von Neumann algebrasstate extension\(\omega\)-conditional expectationextension of a state

Mathematics Subject Classification ID

Theorems of Hahn-Banach type; extension and lifting of functionals and operators (46A22) General theory of von Neumann algebras (46L10) States of selfadjoint operator algebras (46L30)

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