Primeness and Primitivity Conditions for Twisted Group $C^*$-Algebras

• Autores: Tron A. Omland
• Localización: Mathematica scandinavica, ISSN 0025-5521, Vol. 114, Nº 2, 2014, págs. 299-319
• Idioma: inglés
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• Resumen

  • For a multiplier (2-cocycle) $\sigma$ on a discrete group $G$ we give conditions for which the twisted group $C^*$-algebra associated with the pair $(G,\sigma)$ is prime or primitive. We also discuss how these conditions behave on direct products and free products of groups.