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Beurling-Figà-Talamanca-Herz algebras

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Öztop S., Runde V., Spronk N.

Studia Mathematica

2012

tom 210

nr 2

117-135

For a locally compact group G and p ∈ (1,∞), we define and study the Beurling-Figà-Talamanca-Herz algebras $A_{p}(G,ω)$. For p = 2 and abelian G, these are precisely the Beurling algebras on the dual group Ĝ. For p = 2 and compact G, our approach subsumes an earlier one by H. H. Lee and E. Samei. The key to our approach is not to define Beurling algebras through weights, i.e., possibly unbounded continuous functions, but rather through their inverses, which are bounded continuous functions. We prove that a locally compact group G is amenable if and only if one-and, equivalently, every-Beurling-Figà-Talamanca-Herz algebra $A_{p}(G,ω)$ has a bounded approximate identity.

Ograniczanie wyników

1 Studia Mathematica

1 Runde V.

1 Spronk N.

1 Öztop S.

1 2012

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Beurling-Figà-Talamanca-Herz algebras