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Restriction Algebras of Fourier–Stieltjes Transforms of Radon Measures
The Journal of Geometric Analysis ( IF 1.2 ) Pub Date : 2021-01-07 , DOI: 10.1007/s12220-020-00580-2
Yves Meyer

If \(\mu \) is an arbitrary bounded Radon measure \(\mu \) on \({\mathbb {R}}^n,\) we denote by \({{\widehat{\mu }}}\) the Fourier–Stieltjes transform of \(\mu \) and by \(\sigma \) the pure point part of \(\mu .\) A closed \(\varLambda \subset {{\mathbb {R}}}^n\) is a gregarious set if the following property is satisfied:

$$\begin{aligned} (\forall \mu )\, {{\widehat{\mu }}}=0\quad \mathrm{on}\, \varLambda \Rightarrow {{\widehat{\sigma }}}=0\, \mathrm{on}\,\varLambda . \end{aligned}$$

Gregarious sets are studied in this essay.



中文翻译:

Radon测度的Fourier–Stieltjes变换的限制代数

如果\(\ mu \)\({\ mathbb {R}} ^ n,\)上的任意有界Radon度量\(\ mu \)我们用\({{\ widehat {\ mu}}}} \ )\(\ mu \ 的傅里叶– Stieltjes变换,并通过\(\ mu。\的纯点部分通过\(\ sigma \)进行封闭\(\ varLambda \ subset {{\ mathbb {R}}}如果满足以下属性,则^ n \)是一个合意的集合

$$ \ begin {aligned}(\ forall \ mu)\,{{\ widehat {\ mu}}} = 0 \ quad \ mathrm {on} \,\ varLambda \ Rightarrow {{\ widehat {\ sigma}}} = 0 \,\ mathrm {on} \,\ varLambda。\ end {aligned} $$

本文研究了合群。

更新日期:2021-01-07
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