KHARE, AVINASH; Suchkov, Sergey V.; Dmitriev, Sergey V.
(IOP Publishing, 2011-08)
For a two-dimensional scalar discrete phgr4 model we obtain several exact static solutions in the form of the Jacobi elliptic functions (JEF) with arbitrary shift along the lattice. The Quispel–Roberts–Thompson-type quadratic ...