We derive a new Chambers-type formula and prove sharper upper bounds on the measure of the spectrum of critical almost Mathieu operators with rational frequencies.
On the spectrum of critical almost Mathieu operators in the rational case / Jitomirskaya, S; Konstantinov, L; Krasovsky, I. - In: JOURNAL OF SPECTRAL THEORY. - ISSN 1664-039X. - 12:1(2022), pp. 11-21. [10.4171/JST/392]
On the spectrum of critical almost Mathieu operators in the rational case
Krasovsky, I
2022-01-01
Abstract
We derive a new Chambers-type formula and prove sharper upper bounds on the measure of the spectrum of critical almost Mathieu operators with rational frequencies.File in questo prodotto:
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