An example of a weakly hyperbolic Cauchy problem not well posed in \(C^\infty\)
type: Item
instance of: scholarly article
title: An example of a weakly hyperbolic Cauchy problem not well posed in \(C^\infty\)
zbMATH Open document ID: 0517.35053
DOI: 10.1007/BF02392730
author: Ferruccio Colombini
author: Sergio Spagnolo
published in: Acta Mathematica
publication date: 1982-01-01T00:00:00Z
Mathematics Subject Classification ID: 35L15
Mathematics Subject Classification ID: 35L80
Mathematics Subject Classification ID: 35A05
zbMATH DE Number: 3818239
zbMATH Keywords: weakly hyperbolic Cauchy problem
zbMATH Keywords: not well posed
zbMATH Keywords: degenerate wave equation
zbMATH Keywords: well posed
MaRDI profile type: Publication
cites work: Q3207471
cites work: Q5679204
cites work: Analytic Extensions of Differentiable Functions Defined in Closed Sets
description: scientific article; zbMATH DE number 3818239