Scattering and inverse scattering for a left-definite Sturm–Liouville problem

Bennewitz, C., Brown, Brian Malcolm ORCID: https://orcid.org/0000-0002-2871-6591 and Weikard, R. 2012. Scattering and inverse scattering for a left-definite Sturm–Liouville problem. Journal of Differential Equations 253 (8) , pp. 2380-2419. 10.1016/j.jde.2012.06.016

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Abstract

This work develops a scattering and an inverse scattering theory for the Sturm–Liouville equation −u″+qu=λwu where w may change sign but q⩾0. Thus the left-hand side of the equation gives rise to a positive quadratic form and one is led to a left-definite spectral problem. The crucial ingredient of the approach is a generalized transform built on the Jost solutions of the problem and hence termed the Jost transform and the associated Paley–Wiener theorem linking growth properties of transforms with support properties of functions. One motivation for this investigation comes from the Camassa–Holm equation for which the solution of the Cauchy problem can be achieved by the inverse scattering transform for [Formula].

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Computer Science & Informatics
Subjects:	Q Science > QA Mathematics Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Uncontrolled Keywords:	Scattering theory; Inverse scattering theory; Left-definite problems; Camassa–Holm equation
Publisher:	Elsevier
ISSN:	0022-0396
Last Modified:	21 Oct 2022 09:34
URI:	https://orca.cardiff.ac.uk/id/eprint/36912

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