Necessary condition for the existence of wavefront lids

DOI10.1016/0022-247X(76)90245-6zbMath0328.35056MaRDI QIDQ1226683

Robert G. Payton

Publication date: 1976

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Mathematics Subject Classification ID

Wave equation (35L05) Higher-order hyperbolic equations (35L25)

Cites Work

• Two-dimensional anisotropic elastic waves emanating from a point source when the associated normal curve has double points
• THE SEISMIC BURIED PULSE
• Lacunas of the riemann matrix of symmetric‐hyperbolic systems in two space variables
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