A four-component Camassa-Holm type hierarchy
arXiv:1310.1781 · doi:10.1016/j.geomphys.2014.05.026
Abstract
We consider a 3$\times$3 spectral problem which generates four-component CH type systems. The bi-Hamiltonian structure and infinitely many conserved quantities are constructed for the associated hierarchy. Some possible reductions are also studied.