A covariant version of Ext

DOI10.1307/mmj/1029002666zbMath0507.46060OpenAlexW1985701729MaRDI QIDQ1837379

Vern I. Paulsen

Publication date: 1982

Published in: Michigan Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1307/mmj/1029002666

zbMATH Keywords

C*-dynamical systemExt-groupsStinespring's theoremBDF-theorycompletely positive lifting theoremcovariant extensionHaar biinvariant measure on compact groupsKasparov's group

Mathematics Subject Classification ID

Noncommutative dynamical systems (46L55) Methods of algebraic topology in functional analysis (cohomology, sheaf and bundle theory, etc.) (46M20) General theory of (C^*)-algebras (46L05)

Related Items (10)

A covariant Stinespring theorem ⋮ Nuclear \(C^ *\)-algebras and related questions ⋮ Equivariant maps and bimodule projections ⋮ Hilbert \(C^{*}\)-modules and projective representations associated with multipliers ⋮ Crossed Products of Operator Algebras ⋮ Covariant version of the Stinespring type theorem for Hilbert \(C^*\)-modules ⋮ A Stinespring type theorem for completely positive multilinear maps on Hilbert C*-modules ⋮ Radon–Nikodým type theorem for α-completely positive maps ⋮ Covariant completely positive maps and liftings ⋮ Quantum stochastic processes for maps on Hilbert C*-modules

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