Primeness and primitivity conditions for twisted group C^*-algebras
classification
🧮 math.OA
math.GR
keywords
conditionsgroupproductssigmatwistedalgebraalgebrasassociated
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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.
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