Combinatorial geometry of the 2D Toda lattice and Davey Stewartson equation

Rodrigo Navarro Betancourt, Marvin Anas Hahn, Vera Posch +1

The KP equation is a prototypical $(2+1)$-dimensional integrable PDE. Its soliton solutions are famously parametrized by the Sato Grassmannian. In seminal work, Kodama and Williams…