Integrability of Kersten-Krasil'shchik coupled KdV-mKdV equations: singularity analysis and Lax pair

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The integrability of a coupled KdV-mKdV system is tested by means of singularity analysis. The true Lax pair associated with this system is obtained by the use of prolongation technique.
9 pages

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Exactly Solvable and Integrable Systems, Mathematical Physics, Analysis of PDEs

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http://salesiana.dossiersoluciones.com/handle/123456789/80277

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0206046
 http://arxiv.org/abs/nlin/0206046
 J. Math. Phys. 44 (2003) 1703-1708
 doi:10.1063/1.1558903

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arXiv