CONSTRUCTION OF MULTI-SOLITONS AND MULTI KINK-SOLITONS OF DERIVATIVE NONLINEAR SCHRÖDINGER EQUATIONS
Résumé
We look for solutions to derivative nonlinear Schrodinger equations built upon solitons. We prove the existence of multi-solitons i.e. solutions behaving at large time as the sum of finite solitons. We also show that one can attach a kink at the begin of the sum of solitons i.e multi kink-solitons. Our proofs proceed by fixed point arguments around the desired profile, using Strichartz estimates.
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