2 papers
hep-th2001
Integrable Structure behind WDVV Equations
Henrik Aratyn, Johan van de Leur
An integrable structure behind Witten--Dijkgraaf--Verlinde--Verlinde (WDVV) equations is identified with reduction of a Riemann-Hilbert problem for a homogeneous GL(N, C) loop grou…
solv-int1998
Geometric Bäcklund--Darboux transformations for the KP hierarchy
G. F. Helminck, J. W. van de Leur
We shown that, if you have two planes in the Segal-Wilson Grassmannian that have an intersection of finite codimension, then the corresponding solutions of the KP hierarchy are lin…