An extension of the Kadomtsev-Petviashvili hierarchy and its Hamiltonian structures
arXiv:1502.04787 · doi:10.1016/j.geomphys.2016.04.008
Abstract
In this note we consider a two-component extension of the Kadomtsev-Petviashvili (KP) hierarchy represented with two types of pseudo-differential operators, and construct its Hamiltonian structures by using the -matrix formalism.
21 pages, to appear in J. Geom. Phys