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Extremal traces on some group-invariant C∗-algebras

✍ Scribed by Geoffrey Price

Book ID
107794882
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
366 KB
Volume
49
Category
Article
ISSN
0022-1236

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✍ R.H. Ji 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 371 KB

By the method of cyclic cohomology we prove that all tracial states on a twisted group \(C^{*}\)-algebra \(C^{*}(G ; \sigma)\), where \(G\) is a torsion free discrete group of polynomial growth and \(\sigma\) is a 2-cocycle on \(G\) with values in the unit circle group, induce the same map from \(K_