2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/228709We study an area minimization problem for spacelike zero mean curvature surfaces in four dimensional Lorentz-Minkowski space. The areas of these surfaces are compared of with the areas of certain marginally trapped surfaces having the same boundary values.11 pagesDifferential Geometry53C50, 49K10text