Singularity analysis towards nonintegrability of nonhomogeneous nonlinear lattices

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We show non-integrability of the nonlinear lattice of Fermi-Pasta-Ulam type via the singularity analysis(Picard-Vessiot theory) of normal variational equations of Lamé type.
Latex 6pages, use crckapb.sty

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/153862

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/solv-int/9704009
 http://arxiv.org/abs/solv-int/9704009
 Hamiltonian Systems with Three or More Degrees of Freedom, Edited by C. Simo, pp.614-617 (Kluwer,1999).

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