most citedA series of spectral gaps for the almost Mathieu operator with a small coupling constant

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math.SP2020★ 2 cited

A series of spectral gaps for the almost Mathieu operator with a small coupling constant

Alexander Fedotov

For the almost Mathieu operator with a small coupling constant, for a series of spectral gaps, we describe the asymptotic locations of the gaps and get lower bounds for their lengt…