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Article Dans Une Revue Journal of Differential Equations Année : 2017

Transverse instability of periodic and generalized solitary waves for a fifth-order KP model

Résumé

We consider a fifth-order Kadomtsev-Peviashvili equation which arises as a two-dimensional model in the classical water-wave problem. This equation possesses a family of generalized line solitary waves which decay exponentially to periodic waves at infinity. We prove that these solitary waves are transversely spectrally unstable and that this instability is induced by the transverse instability of the periodic tails. We rely upon a detailed spectral analysis of some suitably chosen linear operators.
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hal-01298190 , version 1 (05-04-2016)

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  • HAL Id : hal-01298190 , version 1

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Mariana Haragus, Erik Wahlén. Transverse instability of periodic and generalized solitary waves for a fifth-order KP model. Journal of Differential Equations, 2017, 262, pp.3235-3249. ⟨hal-01298190⟩
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