%0 Journal Article
%T Schrodinger Operators with Non-Symmetric Zero-Range Potentials
%A A. Grod
%A S. Kuzhel
%J Mathematics
%D 2013
%I arXiv
%X Non-self-adjoint Schrodinger operators A which correspond to non-symmetric zero-range potentials are investigated. For a given A, the description of non-real eigenvalues, spectral singularities and exceptional points are obtained; the possibility of interpretation of A as a self-adjoint operator in a Krein space is studied, the problem of similarity of A to a self-adjoint operator in a Hilbert space is solved.
%U http://arxiv.org/abs/1309.5482v1