A 2 - Component Generalization of the Degasperis - Procesi Equation

Abstract

We present two different hamiltonian extensions of the Degasperis - Procesi equation to the two component equations. The construction based on the observation that the second Hamiltonian operator of the Degasperis - Procesi equation could be considered as the Dirac reduced Poisson tensor of the second Hamiltonian operator of the Boussinesq equation. The first extension is generated by the Hamiltonian operator which is a Dirac reduced operator of the generalized but degenerated second Hamiltonian operator of the Boussinesq equation. The second one is obtained by the N=2 supersymmetric extension of the mentioned method. As the byproduct of this procedure we obatined the Hamiltonian system of interacting equations which contains the Camassa - Holm and Degasperis - Procesi equation.

12 pages, LaTex, corrected typos, extended version of second and third section

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