Kevrekidis, P.G.; Weinstein, M.I. - In: Mathematics and Computers in Simulation (MATCOM) 62 (2003) 1, pp. 65-78
In this paper we investigate the emergence of time-periodic and time quasiperiodic (sometimes infinitely long-lived and sometimes very long-lived or metastable) solutions of discrete nonlinear wave equations: discrete sine Gordon, discrete φ4 and discrete nonlinear Schrödinger equation (DNLS)....
