×

Non-strictly hyperbolic equations: counter-examples, of de Giorgi type, to existence and uniqueness theorems. (Équations hyperboliques non-stricts: Contre-exemples, du type de Giorgi, aux théorèmes d’existence et d’unicité.) (French) Zbl 0209.12601

Hyperbolic equations and waves, Battelle Res. Inst., Seattle, Wash., 1968, Rencontres, 274-282 (1970).

MSC:

35L99 Hyperbolic equations and hyperbolic systems
35A01 Existence problems for PDEs: global existence, local existence, non-existence
35A02 Uniqueness problems for PDEs: global uniqueness, local uniqueness, non-uniqueness
Full Text: DOI