Kolmogorov decompositions and extremality conditions for positive covariant kernels

DOI10.1016/S0034-4877(19)30042-4zbMath1441.81009OpenAlexW2945295367MaRDI QIDQ2194241

Erkka Haapasalo, Juha-Pekka Pellonpää

Publication date: 25 August 2020

Published in: Reports on Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0034-4877(19)30042-4

zbMATH Keywords

convex setsextreme pointscovariancepositive kernelsKSGNS construction\(C^*\)-modulesquantum instruments

Mathematics Subject Classification ID

Applications of selfadjoint operator algebras to physics (46L60) Quantum measurement theory, state operations, state preparations (81P15)

Cites Work

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