An Approach to Master Symmetries of Lattice Equations

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An approach to master symmetries of lattice equations is proposed by the use of discrete zero curvature equation. Its key is to generate non-isospectral flows from the discrete spectral problem associated with a given lattice equation. A Volterra-type lattice hierarchy and the Toda lattice hierarchy are analyzed as two illustrative examples.
14 pages, latex, to appear in Proceedings of SIDEII, UK

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/94448

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/solv-int/9807010
 http://arxiv.org/abs/solv-int/9807010

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arXiv