most citedAbsolutely Continuous Spectrum for CMV Matrices With Small Quasi-Periodic Verblunsky Coefficients

2 citations · 3 across the 2 of their papers we have counts for

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2 papers

math.SP2024★ 1 cited

Opening Gaps in the Spectrum of Strictly Ergodic Jacobi and CMV Matrices

David Damanik, Long Li

We prove that dynamically defined Jacobi and CMV matrices associated with generic continuous sampling functions have all gaps predicted by the Gap Labelling Theorem open. We also g…

math.SP2021★ 2 cited

Absolutely Continuous Spectrum for CMV Matrices With Small Quasi-Periodic Verblunsky Coefficients

Long Li, David Damanik, Qi Zhou

We consider standard and extended CMV matrices with small quasi-periodic Verblunsky coefficients and show that on their essential spectrum, all spectral measures are purely absolut…