Fourier restriction, polynomial curves and a geometric inequality

Type: Article

Publication Date: 2008-01-01

Citations: 1

DOI: https://doi.org/10.1016/j.crma.2007.11.032

Abstract

We announce a Fourier restriction result for general polynomial curves in Rd. Measuring the Fourier restriction with respect to the affine arclength measure of the curve, we obtain a universal bound for the class of all polynomial curves of bounded degree. Our method relies on establishing a geometric inequality for general polynomial curves which is of interest in its own right. There are applications of this geometric inequality to other problems in euclidean harmonic analysis. To cite this article: S. Dendrinos, J. Wright, C. R. Acad. Sci. Paris, Ser. I 346 (2008). Le résultat que nous annonçons sur les restrictions de Fourier vaut pour des courbes polynomiales générales dans Rd. Il permet de contrôler la norme Lq de la transformée de Fourier relativement à la mesure d'arc affine (dont nous rappelons la définition) à la norme Lp de la fonction, pour des p et q convenables. La borne est universelle pour toutes les courbes polynomiales de degré donné. Notre méthode repose sur une inégalité géométrique concernant les courbes polynomiales qui est intéressante en elle même, et s'applique à d'autres problèmes d'analyse harmonique euclidienne. Pour citer cet article : S. Dendrinos, J. Wright, C. R. Acad. Sci. Paris, Ser. I 346 (2008).

Locations

  • Comptes Rendus Mathématique - View - PDF
  • Edinburgh Research Explorer (University of Edinburgh) - View - PDF
  • French digital mathematics library (Numdam) - View - PDF

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