Construction and analysis of some convolution algebras

Construction and analysis of some convolution algebras
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DOI:
10.5802/aif.172
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发表时间:
1964
期刊:
Annales de l'Institut Fourier
影响因子:
--
通讯作者:
A. Beurling
A. Beurling
中科院分区:
其他
文献类型:
--
作者:
A. Beurling

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令 ^ 为具有不变测度 dx 的局部紧阿贝尔群。为了避免琐碎的情况,我们假设 ^ 不是紧凑的。我们考虑 ^ 上严格正函数 co(;r) 的范数族 Q,其可测量、可相对 dx 求和,此外,与范数 N(co) 一起满足以下条件: I. 对于每个 co e Q,N(co) 取有限值,使得
Let ^ be a locally compact Abelian group with the invariant measure dx. In order to avoid trivial cases we assume that ^ is not compact. We consider a normed family Q of strictly positive functions co(;r) on ^, which are measurable, summable with respect to dx, and furthermore, together with the norm N(co), satisfy the following conditions : I. For each co e Q, N(co) takes a finite value, such that