Dispersion Estimates for Third Order Equations in Two Dimensions
Matania Ben‐ArtziInstitute of Mathematics , Hebrew University , Jerusalem, IsraelHerbert KochFachbereich Mathematik , Universität Dortmund , Dortmund, GermanyJean‐Claude SautUMR de Mathématiques , Université de Paris-Sud , Orsay, France
2003en
ABI
Abstract
Abstract Two-dimensional deep water waves and some problems in nonlinear optics can be described by various third order dispersive equations, modifying and generalizing the KdV as well as nonlinear Schrödinger equations. We classify all third order polynomials up to certain transformations and study the pointwise decay for the fundamental solutions, for all third order polynomials pin two variables. We deduce the corresponding Strichartz estimates. These estimates imply global existence and uniqueness for the Shrira system.
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