On the spectrum of critical almost Mathieu operators in the rational case
Spectral Theory
2020-07-03 v1 Mathematical Physics
math.MP
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.
Keywords
Cite
@article{arxiv.2007.01005,
title = {On the spectrum of critical almost Mathieu operators in the rational case},
author = {Svetlana Jitomirskaya and Lyuben Konstantinov and Igor Krasovsky},
journal= {arXiv preprint arXiv:2007.01005},
year = {2020}
}
Comments
9 pages