×
Matsumoto, Waichiro

On the conditions for the hyperbolicity of systems with double characteristic roots. I. (English) Zbl 0471.35052

J. Math. Kyoto Univ. 21, 47-84 (1981).
Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page
scan of Zbl 0471.35052

Cited in 2 Reviews
Cited in 4 Documents

MSC:

35L45 Initial value problems for first-order hyperbolic systems
35B30 Dependence of solutions to PDEs on initial and/or boundary data and/or on parameters of PDEs
35A30 Geometric theory, characteristics, transformations in context of PDEs

Keywords:

first order systems of hyperbolic type; Cauchy problem; well-posedness; double characteristic; principal symbol; smoothness of the eigenvectors of the characteristic matrices; Gevrey regularity of the coefficients
Cite Review PDF
Full Text: DOI