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Stability criteria for nonlinear waves in Hamiltonian and reversible systems

Presented by: 
Mariana Haragus Université de Franche-Comté
Date: 
Wednesday 4th October 2017 - 09:45 to 10:30
Venue: 
INI Seminar Room 1
Abstract: 
We present two general stability/instability criteria for nonlinear waves in Hamiltonian or reversible systems. Both criteria rely upon spectral properties of the linear operators found by linearizing the system at a given wave. We apply these results to some model equations arising in water-wave problems. The focus is on the question of transverse  stability/instability of periodic traveling waves.


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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons