2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58109We show how to descritize the Korteweg-de Vries equation in such a way as to preserve all the Lie point symmetries of the continuous differential equation. It is shown that, for a centered implicit scheme, there are at least two possible ways of doing so.6 pages, 5 figures, proceeding of the XXV International Colloquium on Group Theoretical Methods in PhysicsMathematical PhysicsGroup Theory39A99; 57s99text