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Lie symmetry analysis, Lie-Bäcklund symmetries, explicit solutions, and conservation laws of Drinfeld-Sokolov-Wilson system

机译:Drinfeld-Sokolov-Wilson系统的Lie对称性分析,Lie-Bäcklund对称性,显式解和守恒律

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The symmetry analysis method is used to study the Drinfeld-Sokolov-Wilson system. The Lie point symmetries of this system are obtained. An optimal system of one-dimensional subalgebras is derived by using Ibragimov’s method. Based on the optimal system, similarity reductions and explicit solutions of the system are presented. The Lie-Bäcklund symmetry generators are also investigated. Furthermore, the method of constructing conservation laws of nonlinear partial differential equations with the aid of a new conservation theorem associated with Lie-Bäcklund symmetries is presented. Conservation laws of the Drinfeld-Sokolov-Wilson system are constructed by using this method.
机译:对称分析方法用于研究Drinfeld-Sokolov-Wilson系统。获得该系统的李点对称性。使用伊布拉吉莫夫(Ibragimov)的方法可以得出一维子代数的最佳系统。基于最优系统,给出了系统的相似度降低和显式解。还研究了Lie-Bäcklund对称发生器。此外,提出了借助与Lie-Bäcklund对称有关的新守恒定理构造非线性偏微分方程守恒律的方法。使用该方法构造了Drinfeld-Sokolov-Wilson系统的守恒律。

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