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Wave front setUltradifferentiable functions[EN] We characterize the wave front set WF*P (u) with respect to the iterates of a linear partial differential operator with constant coefficients of a classical distribution u is an element of D '(Omega), Omega an open subset in R-n. We use recent Paley-Wiener theorems for generalized ultradifferentiable classes in the sense of Braun, Meise and Taylor. We also give several examples and applications to the regularity of operators with variable coefficients and constant strength. Finally, we construct a distribution with prescribed wave front set of this type.Reserva de todos los derechosAbiertohttp://hdl.handle.net/10251/107399Springer-Verlagapplication/pdf David Jornet CasanovaRevista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A MatemáticasInglés
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