On well-posedness, regularity and ill-posedness for the nonlinear fourth-order Schrödinger equation
Résumé
We prove the local well-posedness for the nonlinear fourth-order Schrödinger equation (NL4S) in Sobolev spaces. We also study the regularity of solutions in the sub-critical case. A direct consequence of this regularity is the global well-posedness above mass and energy spaces under some assumptions. Finally, we show the ill-posedness for (NL4S) in some cases of the super-critical range.
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Well- and Ill-posedness 4 Order Schrodinger.pdf (393.76 Ko)
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