29 citations · 64 across the 12 of their papers we have counts for
Showing 2019Show all
2 papers · 1 filter
math.SP2019
Generalized eigenfunctions and eigenvalues: a unifying framework for Shnol-type theorems
Siegfried Beckus, Baptiste Devyver
Let be a generalized Schrödinger operator on a domain of a non-compact connected Riemannian manifold, and a generalized eigenfunction for : that is, satisfies the eq…
math.SP2019★ 8 cited
Hölder Continuity of the Spectra for Aperiodic Hamiltonians
Siegfried Beckus, Jean Bellissard, Horia Cornean
We study the spectral location of strongly pattern equivariant Hamiltonians arising through configurations on a colored lattice. Roughly speaking, two configurations are "close to…