Twisted actions and the obstruction to extending unitary representations of subgroups

DOI10.1016/j.jpaa.2004.05.004zbMath1065.22004arXivmath/0309396OpenAlexW2021593098MaRDI QIDQ1886788

Astrid an Huef, Iain Raeburn

Publication date: 19 November 2004

Published in: Journal of Pure and Applied Algebra (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0309396

zbMATH Keywords

unitary representationcohomological obstructiontwisted action

Mathematics Subject Classification ID

(K)-theory and operator algebras (including cyclic theory) (46L80) (C^*)-algebras and (W^*)-algebras in relation to group representations (22D25) Unitary representations of locally compact groups (22D10)

Related Items (2)

Extension problems and non-Abelian duality for C*-algebras ⋮ Covariant representations of Hecke algebras and imprimitivity for crossed products by homogeneous spaces

Cites Work

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• Cohomology and extensions of Neumann algebras. I
• Cohomology and extensions of von Neumann algebras. II
• Induced representations of crossed products by coactions
• On extensions of representations for compact Lie groups
• Representations induced in an invariant subgroup
• Induced representation of locally compact groups. I
• On crossed products and Takai duality
• Twisted crossed products of C*-algebras
• The standard form of von Neumann algebras.
• Group Extensions and Cohomology for Locally Compact Groups. III
• Group Extensions and Cohomology for Locally Compact Groups. IV
• A Theorem on Extending Representations
• A categorical approach to imprimitivity theorems for 𝐶*-dynamical systems
• Sur les extensions des représentations irréductibles des groupes de Lie nilpotents

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