Nolan, Clifford J. and Uhlmann, Gunther A.

2007

March

Wave Motion

Parametrices for Symmetric Systems with Multiplicity

Published

()

anisotropy parametrix double characteristics variable multiplicity LEVEL-CROSSING PROBLEM CONICAL REFRACTION SINGULAR SYMBOLS PSEUDODIFFERENTIAL-OPERATORS SEMICLASSICAL ANALYSIS

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4

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We construct microlocal parametrices for generic symmetric systems of partial differential equations having characteristics of variable multiplicity. We apply this to obtain microlocal solutions of Cauchy problems for generic classes of electromagnetic and elasto-dynamical systems. (c) 2006 Elsevier B.V. All rights reserved.

0165-2125

https://doi.org/10.1016/j.wavemoti.2006.09.001