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arXiv 0802.4333math.FA
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正则代数$L_p^w(G)$的构造

Constructions of regular algebras $L_p^w(G)$

Yulia Kuznetsova

摘要:

局部紧阿贝尔群$G$上的加权代数$L_1^w(G)$的(Shilov)正则性的判别法由Beurling(1949)和Domar(1956)的工作已知。本文将这一判据推广到平移不变加权代数$L_p^w(G)$,并给出了$p>1$ .正则代数$L_p^w(G)$构造在任意σ紧阿贝尔群$G$上.作者以前证明了σ-紧性对于具有$p>1$的加权代数$L_p^w(G)$的存在性是必要的(在交换情形下)。

英文摘要:

Criterion of (Shilov) regularity for weighted algebras $L_1^w(G)$ on a locally compact abelian group $G$ is known by works of Beurling (1949) and Domar (1956). In the present paper this criterion is extended to translation invariant weighted algebras $L_p^w(G)$ with $p>1$. Regular algebras $L_p^w(G)$ are constructed on any sigma-compact abelian group $G$. It was proved earlier by the author that sigma-compactness is necessary (in the abelian case) for the existence of weighted algebras $L_p^w(G)$ with $p>1$.

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