Global solution of the wave equation

Ari Laptev; Yu Safarov

Displaying similar documents to “Global solution of the wave equation”

The symbol of a lagrangian distribution

Dimitri G. Vassiliev (1995)

Journées équations aux dérivées partielles

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Dynamics of wave propagation and curvature of discriminants

Victor P. Palamodov (2000)

Annales de l'institut Fourier

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For a Lagrange distribution of order zero we consider a quadratic integral which has logarithmic divergence at the singular locus of the distribution. The residue of the asymptotics is a Hermitian form evaluated in the space of positive distributions supported in the locus. An asymptotic analysis of the residue density is given in terms of the curvature form of the locus. We state a conservation law for the residue of the impulse-energy tensor of solutions of the wave equation which...