2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/169238We recover for discrete Schrödinger operators on the lattice Z, stronger analogues of the results by Weder, Galtabiar and Yajima and by D'Ancona and Fanelli on R.Functional Analysis$L^p$ continuity of wave operators in $\Bbb Z$text