Wave propagation and symmetric hyperbolic systems of conservation laws with constrained field variables. III.—Lagrangian systems 0263
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Lagrangian systems in explicitly covariant form are treated as systems of conservation laws with constrained field variables and a physical example like nonlinear covariant electrodynamics is examined.
PACS 03.40.KfWaves and wave propagation: general mathematical aspects
PACS 11.10.QrRelativistic wave equations
PACS 02.30.JrPartial differential equations
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- Some results on the subject have been presented in form of communication inA. Strumia:Covariant Euler-Lagrange equations as systems of conservation laws with constrained field variables, in theIV Meeting Waves and Stability in Continuous Media, Taormina 1987, in press.Google Scholar
- G. Boillat:Urti, inWave Propagation, C.I.M.E. course 1980 (Liguori, Naples, 1982), p. 169.Google Scholar
- G. Boillat:J. Math. Phys.,11, 963 (1970).Google Scholar
© Società Italiana di Fisica 1991