Squared eigenfunctions and the perturbation theory for the nondegenerateN×Noperator: a general outline

DOI10.1088/1751-8113/43/43/434019zbMath1202.81069OpenAlexW2158504074MaRDI QIDQ3057433

D. J. Kaup, Robert A. van Gorder

Publication date: 24 November 2010

Published in: Journal of Physics A: Mathematical and Theoretical (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/1751-8113/43/43/434019

Mathematics Subject Classification ID

Inverse scattering problems in quantum theory (81U40) Perturbation theories for operators and differential equations in quantum theory (81Q15) Groups and algebras in quantum theory and relations with integrable systems (81R12)

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