The constrained modified KP hierarchy and the generalized Miura transformations
Jiin-Chang Shaw, Ming-Hsien Tu
Abstract
In this letter, we consider the second Hamiltonian structure of the constrained modified KP hierarchy. After mapping the Lax operator to a pure differential operator the second structure becomes the sum of the second and the third Gelfand-Dickey brackets defined by this differential operator. We simplify this Hamiltonian structure by factorizing the Lax operator into linear terms.
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