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arXiv 1102.4687nlin.SInlin.PS
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非等谱拉克斯对的经典Lie对称性和约化

Classical Lie symmetries and reductions of a nonisospectral Lax pair

P. G. Estevez, M. L. Gandarias, J. de Lucas

摘要:

经典的Lie方法被应用于与2+1维偏微分方程系统相关的非等谱问题(Maccari A,J.Math.Phys.39,(1998),6547-6551)。经典的李对称性的识别提供了一组减少,引起不同的非平凡的频谱问题在1+1维。详细描述了1+1拉克斯对的谱参数的引入形式。

英文摘要:

The classical Lie method is applied to a nonisospectral problem associated with a system of partial differential equations in 2+1 dimensions (Maccari A, J. Math. Phys. 39, (1998), 6547-6551). Identification of the classical Lie symmetries provides a set of reductions that give rise to different nontrivial spectral problems in 1+1 dimensions. The form in which the spectral parameter of the 1+1 Lax pair is introduced is carefully described.

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