Generic spectral results for CMV matrices with dynamically defined Verblunsky coefficients
Generic spectral results for CMV matrices with dynamically defined Verblunsky coefficients
复制标题
具有动态定义的 Verblunsky 系数的 CMV 矩阵的通用谱结果
DOI:
10.1016/j.jfa.2020.108803
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发表时间:
2020
影响因子:
1.7
通讯作者:
Guo, Shuzheng
中科院分区:
文献类型:
--
作者:
Fang, Licheng;Damanik, David;Guo, Shuzheng
We consider CMV matrices with dynamically defined Verblunsky coefficients. These coefficients are obtained by continuous sampling along the orbits of an ergodic transformation. We investigate whether certain spectral phenomena are generic in the sense that for a fixed base transformation, the set of continuous sampling functions for which the spectral phenomenon occurs is residual. Among the phenomena we discuss are the absence of absolutely continuous spectrum and the vanishing of the Lebesgue measure of the spectrum.
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