Positive semidefinite maps on \(*\)-semigroupoids and linearisations

DOI10.1007/s00020-024-02777-4MaRDI QIDQ6623802

Aurelian Gheondea, Bogdan Teodor Udrea

Publication date: 24 October 2024

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

zbMATH Keywords

\(*\)-representationdilationcompletely positivepositive semidefinite\(*\)-algebroid\(*\)-semigroupoid

Mathematics Subject Classification ID

Selfadjoint operator algebras ((C^*)-algebras, von Neumann ((W^*)-) algebras, etc.) (46L99) Algebras of unbounded operators; partial algebras of operators (47L60) Dilations, extensions, compressions of linear operators (47A20) Positive definite functions on groups, semigroups, etc. (43A35) Other nonselfadjoint operator algebras (47L75)

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