On a family of weighted convolution algebras

Hans G. Feichtinger and A. Turan Gürkanli

International Journal of Mathematics and Mathematical Sciences, 1990, vol. 13, 1-9

Abstract:

Continuing a line of research initiated by Larsen, Liu and Wang [12], Martin and Yap [13], Gürkanli [15], and influenced by Reiter's presentation of Beurling and Segal algebras in Reiter [2,10] this paper presents the study of a family of Banach ideals of Beurling algebras L w 1 ( G ) , G a locally compact Abelian group. These spaces are defined by weighted L p -conditions of their Fourier transforms. In the first section invariance properties and asymptotic estimates for the translation and modulation operators are given. Using these it is possible to characterize inclusions in section 3 and to show that two spaces of this type coincide if and only if their parameters are equal. In section 4 the existence of approximate identities in these algebras is established, from which, among other consequences, the bijection between the closed ideals of these algebras and those of the corresponding Beurling algebra is derived.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:408247

DOI: 10.1155/S0161171290000758

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