On the absolutely continuous spectrum of generalized indefinite strings II

We continue to investigate absolutely continuous spectrum of generalized indefinite strings. By following an approach of Deift and Killip, we establish stability of the absolutely continuous spectra of two more model examples of generalized indefinite strings under rather wide perturbations. In part...

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Bibliographic Details
Main Authors: Jonathan Eckhardt, Aleksey Kostenko, Teo Kukuljan
Format: Default Article
Published: 2022
Subjects:
math.SP
math-ph
math.CA
math.MP
34L05, 34B07 (Primary), 34L25, 37K15 (Secondary)
Online Access:https://hdl.handle.net/2134/14431493.v1
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