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Cantor spectrum for CMV and Jacobi matrices with coefficients arising from generalized skew-shifts
Ergodic Theory and Dynamical Systems ( IF 0.8 ) Pub Date : 2021-04-08 , DOI: 10.1017/etds.2021.30 HYUNKYU JUN 1
中文翻译:
CMV 和 Jacobi 矩阵的康托尔谱,系数由广义偏斜位移产生
更新日期:2021-04-08
Ergodic Theory and Dynamical Systems ( IF 0.8 ) Pub Date : 2021-04-08 , DOI: 10.1017/etds.2021.30 HYUNKYU JUN 1
Affiliation
We consider continuous cocycles arising from CMV and Jacobi matrices. Assuming that the Verblunsky and Jacobi coefficients arise from generalized skew-shifts, we prove that uniform hyperbolicity of the associated cocycles is $C^0$ -dense. This implies that the associated CMV and Jacobi matrices have a Cantor spectrum for a generic continuous sampling map.
中文翻译:
CMV 和 Jacobi 矩阵的康托尔谱,系数由广义偏斜位移产生
我们考虑由 CMV 和 Jacobi 矩阵产生的连续共循环。假设 Verblunsky 和 Jacobi 系数来自广义斜移,我们证明相关联环的均匀双曲线是 $C^0$ -dense。这意味着相关的 CMV 和 Jacobi 矩阵具有通用连续采样图的康托尔谱。