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Lehmer’s problem for arbitrary groups
Journal of Topology and Analysis ( IF 0.8 ) Pub Date : 2020-11-03 , DOI: 10.1142/s1793525321500035 W. Lück 1
中文翻译:
任意组的 Lehmer 问题
更新日期:2020-11-03
Journal of Topology and Analysis ( IF 0.8 ) Pub Date : 2020-11-03 , DOI: 10.1142/s1793525321500035 W. Lück 1
Affiliation
We consider the problem whether for a group there exists a constant such that for any -matrix over the integral group ring the Fuglede–Kadison determinant of the -equivariant bounded operator given by right multiplication with is either one or greater or equal to . If is the infinite cyclic group and we consider only , this is precisely Lehmer’s problem.
中文翻译:
任意组的 Lehmer 问题
我们考虑这个问题是否对于一个群体存在一个常数这样对于任何-矩阵在积分群环上的 Fuglede-Kadison 行列式-等变有界算子由右乘法给出是一或大于或等于. 如果是无限循环群,我们只考虑,这正是 Lehmer 的问题。