The Boussinesq integrable system. Compatible lattice and continuum structures

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We consider the discrete Boussinesq integrable system and the compatible set of differential difference, and partial differential equations. The latter not only encode the complete hierarchy of the Boussisesq equation, but also incorporate the hyperbolic Ernst equations for an Einstein-Maxwell-Weyl field in general relativity. We demonstrate a specific symmetry reduction of the partial differential equations, to a six-parameter, second order coupled system of ordinary differential equations, which is conjectured to be of Garnier type.
14 pages, 1 figure, Island 2 "Discrete systems and Geometry" proceedings

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/80678

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0402053
 http://arxiv.org/abs/nlin/0402053

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arXiv