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A perturbation expansion for the Zakharov-Shabat inverse scattering transform. (English) Zbl 0334.47006


MSC:

35P25 Scattering theory for PDEs
35Q51 Soliton equations
35Q53 KdV equations (Korteweg-de Vries equations)
47A40 Scattering theory of linear operators
47A55 Perturbation theory of linear operators
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