2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/67391Sharp estimates for mean curvature flow of graphs are shown and examples are given to illustrate why these are sharp. The estimates improves earlier (non-sharp) estimates of Klaus Ecker and Gerhard Huisken.4 figures addedAnalysis of PDEsDifferential Geometrytext