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math.DS2017
Delone dynamical systems and spectral convergence
Siegfried Beckus, Felix Pogorzelski
In the realm of Delone sets in locally compact, second countable, Hausdorff groups, we develop a dynamical systems approach in order to study the continuity behavior of measured qu…
math.SP2017
Shnol-type theorem for the Agmon ground state
Siegfried Beckus, Yehuda Pinchover
Let be a Schrödinger operator defined on a noncompact Riemannian manifold , and let . Suppose that the operator is critical in , and le…