Additional Symmetry of CKP hierarchy

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Based on the Orlov and Shulman's M operator, the additional symmetries and the string equation of the CKP hierarchy are established, and then the higher order constraints on $L^l$ are obtained. In addition, the generating function and some properties are also given. In particular, the additional symmetry flows form a new infinite dimensional algebra $W^C_{1+\infty}$, which is a subalgebra of $W_{1+\infty}$.
13pages, LaTex, to appear in Lett.Math.Phys

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/132930

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0707.0494
 http://arxiv.org/abs/0707.0494

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arXiv