A TORSION-FREE ALGEBRAICALLY C*-UNIQUE GROUP

被引：2

作者：

Scarparo, Eduardo ^{[1
]}

机构：

[1] NTNU, Dept Math Sci, NO-7491 Trondheim, Norway

来源：

ROCKY MOUNTAIN JOURNAL OF MATHEMATICS | 2020年 / 50卷 / 05期

关键词：

C*-norm; complex group ring;

D O I：

10.1216/rmj.2020.50.1813

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Let p and q be multiplicatively independent integers. We show that the complex group ring of Z [1/pq] (sic) Z(2) admits a unique C*-norm. The proof uses a characterization, due to Furstenberg, of closed xp- and xq-invariant subsets of T.

引用

页码：1813 / 1815

页数：3

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