Abstract
Multivalued solutions with a limited number of branches of the inviscid Burgers equation can be obtained by solving closed systems of moment equations. For this purpose, a suitable concept of entropy multivalued solutions with K branches is introduced. Résumé: On reconstruit les solutions multivoques de l’équation de Burgers sans viscosité, quand leur nombre de branches est connu a priori , en résolvant un système fermé d’équations de moments. A cet effet, on introduit un concept de solutions multivoques entropiques à K branches.

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