2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/110046We prove the uniqueness of weak solutions to the critical defocusing wave equation in 3D under a local energy inequality condition. More precisely, we prove the uniqueness of $ u \in L^\infty\_t(\dot{H}^{1})\cap \dot{W}^{1,\infty}\_t(L^2)$, under the condition that $u$ verifies some local energy inequalities.12 pages, to appear in Comm. Partial Differential EquationsAnalysis of PDEs35L70,58J45text