Seminar 10/10/13: Schroedinger operators with Wigner-von Neumann potentials: pseudogaps in the continuous spectrum

Schroedinger operators with Wigner-von Neumann potentials: pseudogaps in the continuous spectrum
Sergey Simonov
Dublin Institute of Technology
Thursday 10 October 2013
1pm, Room KA3-011, DIT Kevin Street

Abstract:

In the first part of the talk we will recall the most basic notions related to the spectral theory of half-line Schroedinger operators. Then we will discuss phenomena of vanishing of the spectral density and presence of eigenvalues embedded into continuous spectrum.