The nonstandard constrained KP hierarchy and the generalized Miura transformations

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We consider the nonstandard constrained KP (ncKP) hierarchy which is obtained from the multi-constraint KP hierarchy by gauge transformation. The second Hamiltonian structure of the ncKP hierarchy can be simplified by factorizing the Lax operator into multiplication form, thus the generalized Miura transformation is obtained. We also discuss the free field realization of the associated W-algebra.
10 pages, latex

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Mathematical Physics, Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/173309

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/9707023
 http://arxiv.org/abs/physics/9707023

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arXiv