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Abstract
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International Journal of Mathematics and Mathematical Sciences
Volume 11 (1988), Issue 4, Pages 805-810
doi:10.1155/S0161171288000973

Time-evolution of a caustic

Nasit Ari and Arthur D. Gorman

Department of Engineering Science, Lafayette College, Easton 18042, Pennsylvania, USA

Abstract

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 inhomogenities.