Non-commutative Fejér theorems (Q1946561)

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scientific article; zbMATH DE number 6153938
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Non-commutative Fejér theorems
scientific article; zbMATH DE number 6153938

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    Non-commutative Fejér theorems (English)
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    15 April 2013
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    The author of the paper under review studies the problem of approximation of operators in the uniform Roe algebra \(C^{*}_u(G)\) by their truncations. Here, \(G\) is a finitely generated group. In particular, sufficient conditions for such approximability are obtained.
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    uniform Roe algebras
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    truncation
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    \(G\)-invariant approximation property
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    rapid decay
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