Showing math.SPShow all
3 papers · 1 filter
math.SP2026
Spectral invariants for discrete Schrödinger operators on periodic graphs
Natalia Saburova
The aim of this article is to present a complete system of Floquet spectral invariants for the discrete Schrödinger operators with periodic potentials on periodic graphs. These in…
math.SP2026
On the measure of spectra for discrete Schrödinger operators on periodic graphs
Natalia Saburova
We consider discrete Schrödinger operators with real periodic potentials on periodic graphs, where is the adjacency operator and is a co…
math.SP2025
Spectrum of Schrödinger operators on subcovering graphs
Natalia Saburova
We consider discrete Schrödinger operators with real periodic potentials on periodic graphs. The spectra of the operators consist of a finite number of bands. By "rolling up" a pe…