Mihaela Negreanu, Enrique Zuazua. Convergence of a multi-grid algorithm for the controllability of the wave equation. In 44th IEEE IEEE Conference on Decision and Control and 8th European Control Conference Control, CDC/ECC 2005, Seville, Spain, 12-15 December, 2005. pages 404-409, IEEE, 2005. [doi]
Abstract is missing.