Semiclassical limit of nonlinear Schrdinger and Davey-Stewartson equations

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• Klein, C (Bourgogne)
• Thursday 16 December 2010, 15:30-16:30
• Seminar Room 1, Newton Institute.

If you have a question about this talk, please contact Mustapha Amrani.

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The semiclassical limit of nonlinear Schrdinger and Davey-Stewartson equations is a small dispersion limit of purely dispersive PDEs. In the vicinity of shocks of the corresponding dispersionless equations, the solutions develop a zone of rapid modulated oscillations. The case of the focusing equations is especially interesting since the dispersionless equations as well as Whitham’s averaged equations are elliptic. We present an asymptotic description of the breakup in the 1-dimensional case and a numerical study of the higher dimensional cases.

This talk is part of the Isaac Newton Institute Seminar Series series.

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