Multi-existence of multi-solitons for the supercritical nonlinear Schrödinger equation in one dimension

Details Multi-existence of multi-solitons for the supercritical nonlinear Schrödinger equation in one dimension Multi-existence of multi-solitons for the supercritical nonlinear Schrödinger equation in one dimension

2010-08-26

arxiv.org/abs/1008.4613v1

Mathematics

Analysis of PDEs

30 pages

Scientific paper

For the L2 supercritical generalized Korteweg-de Vries equation, we proved in a previous article the existence and uniqueness of an N-parameter family of N-solitons. Recall that, for any N given solitons, we call N-soliton a solution of the equation which behaves as the sum of these N solitons asymptotically as time goes to infinity. In the present paper, we also construct an N-parameter family of N-solitons for the supercritical nonlinear Schr\"odinger equation, in dimension 1 for the sake of simplicity. Nevertheless, we do not obtain any classification result; but recall that, even in subcritical and critical cases, no general uniqueness result has been proved yet.

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