Spectral approximation for ergodic CMV operators with an application to quantum walks
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DOI: 10.1016/j.jmaa.2018.06.056
Abstract: We establish concrete criteria for fully supported absolutely continuous spectrum for ergodic CMV matrices and purely absolutely continuous spectrum for limit-periodic CMV matrices. We proceed by proving several variational estimates on the measure of the… read more here.
Keywords: cmv; spectral approximation; cmv matrices; ergodic cmv ... See more keywords