Well-posedness of the Cauchy problem for a hyperbolic equation with non-Lipschitz coefficients
Ferruccio Colombini, Daniele del Santo, Tamotu Kinoshita (2002)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Similarity:
We prove that the Cauchy problem for a class of hyperbolic equations with non-Lipschitz coefficients is well-posed in and in Gevrey spaces. Some counter examples are given showing the sharpness of these results.