Essential Spectral Singularities and the Spectral Expansion for the Hill Operator
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Publication:6268387
DOI10.3934/CPAA.2017110arXiv1512.04473MaRDI QIDQ6268387
Author name not available (Why is that?)
Publication date: 14 December 2015
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.
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