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Discrete KP equation with self-consistent sources
2014
Physics Letters A
We show that the discrete Kadomtsev-Petviashvili (KP) equation with sources obtained recently by the "source generalization" method can be incorporated into the squared eigenfunction symmetry extension procedure. Moreover, using the known correspondence between Darboux-type transformations and additional independent variables, we demonstrate that the equation with sources can be derived from Hirota's discrete KP equations but in a space of higher dimension. In this way we uncover the origin of
doi:10.1016/j.physleta.2014.04.021
fatcat:w3hzvhwjrzbffmbcswuqofnogi