Abstract
We present two different Hamiltonian extensions of the Degasperis-Procesi equation. 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 describes the interaction between Camassa-Holm and Degasperis-Procesi equation while the second gives us the two component generalization of the Degasperis-Procesi equation.
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Popowicz, Z. A camassa—Holm equation interacted with the degasperis—procesi equation. Czech J Phys 56, 1263–1268 (2006). https://doi.org/10.1007/s10582-006-0435-5
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DOI: https://doi.org/10.1007/s10582-006-0435-5