×

zbMATH — the first resource for mathematics

Time-evolution of a caustic. (English) Zbl 0694.35103
Summary: The Lagrange manifold formalism is adapted to study the time-evolution of caustics associated with high frequency wave propagation in media with both spatial and temporal inhomogeneities.

MSC:
35L10 Second-order hyperbolic equations
35B40 Asymptotic behavior of solutions to PDEs
34E20 Singular perturbations, turning point theory, WKB methods for ordinary differential equations
PDF BibTeX XML Cite
Full Text: DOI EuDML