Integrability conditions for nonautonomous quad-graph equations

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This paper presents a systematic investigation of the integrability conditions for nonautonomous quad-graph maps, using the Lax pair approach, the ultra-local singularity confinement criterion and direct construction of conservation laws. We show that the integrability conditions derived from each of the methods are the one and the same, suggesting that there exists a deep connection between these techniques for partial difference equations.
17 pages

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/119512

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0611019
 http://arxiv.org/abs/nlin/0611019

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arXiv