Reduced group \(C^*\)-algebras with the metric approximation property by positive maps (Q1104521)
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scientific article; zbMATH DE number 4056328
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Reduced group \(C^*\)-algebras with the metric approximation property by positive maps |
scientific article; zbMATH DE number 4056328 |
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Reduced group \(C^*\)-algebras with the metric approximation property by positive maps (English)
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1987
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Let \(A\) and \(B\) be finite groups, and let \(G=A*_CB\) be the free product of \(A\) and \(B\) with one amalgamated subgroup \(C\). The authors prove that the identity of the reduced group \(C^*\)-algebras generated by the free product of finite groups with one amalgamated subgroup can be approximated by \(n\)-positive maps. For details see Nihonkai Math. J. 1, No. 2, 161--191 (1990; Zbl 0956.46503 ).
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free product of finite groups with one amalgamated subgroup
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