Title

Squared eigenfunctions and the perturbation theory for the nondegenerate N x N operator: a general outline

Authors

Authors

D. J. Kaup;R. A. Van Gorder

Comments

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Abbreviated Journal Title

J. Phys. A-Math. Theor.

Keywords

INVERSE SCATTERING TRANSFORM; RESONANT INTERACTION; NONLINEAR MEDIA; WAVE PACKETS; SOLITONS; EQUATIONS; EVOLUTION; SYSTEMS; Physics, Multidisciplinary; Physics, Mathematical

Abstract

We provide an overview of the soliton perturbation theory for the N x N eigenvalue operator. Key to perturbation studies of integrable systems are the squared eigenfunctions and their adjoints, which serve as mappings between variations in the potentials and variations in the scattering data. We also address the problem of the normalization of the Jost functions, how this affects the structure and solvability of the inverse scattering equations and the definition of the scattering data. We also discuss the inner products and closure relations for these squared eigenfunctions and their adjoints.

Journal Title

Journal of Physics a-Mathematical and Theoretical

Volume

43

Issue/Number

43

Publication Date

1-1-2010

Document Type

Article

Language

English

First Page

18

WOS Identifier

WOS:000283300100020

ISSN

1751-8113

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