Noether Symmetries and Critical Exponents

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We show that all Lie point symmetries of various classes of nonlinear differential equations involving critical nonlinearities are variational/divergence symmetries.
Published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at http://www.emis.de/journals/SIGMA/

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Exactly Solvable and Integrable Systems, Mathematical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/159557

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0511058
 http://arxiv.org/abs/nlin/0511058
 SIGMA 1 (2005), 022, 12 pages
 doi:10.3842/SIGMA.2005.022

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arXiv