Essential Spectral Singularities and the Spectral Expansion for the Hill Operator
Spectral Theory
2015-12-17 v2
Abstract
In this paper we investigate the spectral expansion for the one-dimensional Schrodinger operator with a periodic complex-valued potential. For this we consider in detail the spectral singularities and introduce new concepts as essential spectral singularities and singular quasimomenta.
Keywords
Cite
@article{arxiv.1512.04473,
title = {Essential Spectral Singularities and the Spectral Expansion for the Hill Operator},
author = {O. A. Veliev},
journal= {arXiv preprint arXiv:1512.04473},
year = {2015}
}