Comb domains of Schrödinger operators with small quasi-periodic potentials
Ilia Binder
University of Toronto, CanadaDavid Damanik
Rice University, Houston, USAMichael Goldstein
University of Toronto, CanadaMilivoje Lukić
Emory University, Atlanta, USA

Abstract
We characterize spectra of Schrödinger operators with small quasi-periodic analytic potentials in terms of their comb domains, and study action variables motivated by the KdV integrable system.
Cite this article
Ilia Binder, David Damanik, Michael Goldstein, Milivoje Lukić, Comb domains of Schrödinger operators with small quasi-periodic potentials. J. Spectr. Theory (2026), published online first
DOI 10.4171/JST/624