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P. LOUSBERG

SUR LES ONDES DE SURFACE ANALYTIQUES DE NATURE NON DIFFRACTIVE

Article Open Access

Abstract

In J. SJÖSTRAND, Analytic singularities and microhyperbolic boundary value problems. Math. Annalen, 254, pp. 211-256 (1980), J. Sjöstrand has developed a general theory of the propagation of analytic singularities in boundary value problems. In the present paper, we use this theory to investigate problems which give rise to a propagation in the boundary of non diffractive type. More precisely, we prove the existence of a supersonic boundary wave in the oblique derivative problem and also of the Rayleigh wave in the study of the propagation of elastic waves in an isotropic medium.

Pour citer cet article

P. LOUSBERG, «SUR LES ONDES DE SURFACE ANALYTIQUES DE NATURE NON DIFFRACTIVE», Bulletin de la Société Royale des Sciences de Liège [En ligne], Numéro 1 - 2, Volume 51 - Année 1982, 31 - 41 URL : http://popups.ulg.ac.be/0037-9565/index.php?id=1331.

A propos de :  P. LOUSBERG

Université de Liège, Institut de Mathématique, 15, avenue des Tilleuls, B-4000 Liège, Belgique