Microlocal Asymptotic Analysis in Algebras of Generalized FunctionsReportar como inadecuado




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1 CRREF - Centre de recherches et de ressources en éducation et formation 2 AOC - Analyse Optimisation Controle 3 GTSI - Groupe de Technologie des Surfaces et Interfaces 4 ISBE - Institute of Basic Sciences in Engineering

Abstract : We introduce a new type of local and microlocal asymptotic analysis in algebras of generalized functions, based on the presheaf properties of those algebras and on the properties of their elements with respect to a regularizing parameter. Contrary to the more classical frequential analysis based on the Fourier transform, we can describe a singular asymptotic spectrum which has good properties with respect to nonlinear operations. In this spirit we give several examples of propagation of singularities through nonlinear operators.

Keywords : microlocal analysis generalized functions nonlinear operators presheaf propagation of singularities singular spectrum





Autor: Antoine Delcroix - Jean-André Marti - Michael Oberguggenberger -

Fuente: https://hal.archives-ouvertes.fr/



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