CONSERVATION LAWS ESTADOS FUNDAMENTALES 5 GROUND STATES 5 CANTIDADES CONSERVADAS 3 CONVERGENCE OF THE METHOD 3 CONVERGENCIA DEL METODO 3 DIFERENCIAS FINITAS 3 ESTABILIDAD ORBITAL 3 FINITE DIFFERENCES 3 HAMILTONIAN SYSTEMS 3 KLEIN-GORDON PERIODICO NO LINEAL POTENCIAL 3 ORBITAL STABILITY 3 PERIODIC POTENTIAL NONLINEAR KLEIN-GORDON 3 PERIODIC POTENTIAL NONLINEAR SCHRODINGER 3 SCHRODINGER PERIODICO NO LINEAL POTENCIAL 3 SISTEMAS HAMILTONIANOS 3 SOLITON 3 SOLITONS 3 BUEN PLANTEO 2 EFECTO REGULARIZANTE 2 HIPOTESIS DE NEUTRALIDAD 2 LEYES DE CONSERVACION 2 NEUTRALITY ASSUMPTION 2 SCHRODINGER-POISSON 2 SMOOTHING EFFECT 2 WELL-POSEDNESS 2