On the absolutely continuous spectrum of generalized indefinite strings

DOI10.1007/s00023-021-01072-xzbMath1491.34093arXiv1902.07898OpenAlexW3166422169MaRDI QIDQ2051467

Jonathan Eckhardt, Aleksey S. Kostenko

Publication date: 24 November 2021

Published in: Annales Henri Poincaré (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1902.07898

zbMATH Keywords

absolutely continuous spectrumconservative Camassa-Holm flowgeneralized indefinite string

Mathematics Subject Classification ID

Weyl theory and its generalizations for ordinary differential equations (34B20) General spectral theory of ordinary differential operators (34L05) Linear boundary value problems for ordinary differential equations with nonlinear dependence on the spectral parameter (34B07) Scattering theory, inverse scattering involving ordinary differential operators (34L25)

Related Items (max. 100)

Minimizations of positive periodic and Dirichlet eigenvalues for general indefinite Sturm-Liouville problems ⋮ Sharp estimates of lowest positive Neumann eigenvalue for general indefinite Sturm-Liouville problems ⋮ Sharp bounds for Dirichlet eigenvalue ratios of the Camassa-Holm equations ⋮ On the absolutely continuous spectrum of generalized indefinite strings. II

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