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A factor of type \(II_ 1\) with countable fundamental group. (English) Zbl 0455.46056


MSC:

46L40 Automorphisms of selfadjoint operator algebras
46L35 Classifications of \(C^*\)-algebras
22D25 \(C^*\)-algebras and \(W^*\)-algebras in relation to group representations
46L30 States of selfadjoint operator algebras
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