2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166781We classify the space-like biharmonic surfaces in 3-dimension pseudo-Riemannian space form, and construct explicit examples of proper biharmonic hypersurfaces in general ADS space.7 pagesDifferential Geometry58E20Biharmonic space-like hypersurfaces in pseudo-Riemannian spacetext