On Bronshtein's theorem
Guy Métivier  1@  
1 : Institut de Mathématiques de Bordeaux  (IMB)  -  Site web
CNRS : UMR5251, Université de Bordeaux (Bordeaux, France)
351 cours de la Libération 33405 TALENCE CEDEX -  France

 Bronshtein proved the well posedness of the Cauchy problem in Gevrey spaces for weakly hyperbolic equations. It turns out that his proof implies something which is much more precise than what is usually stated.


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