Huisken, Gerhard Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Huisken, G., & Sinestrari, C. (1999). Convexity estimates for mean curvature flow and singularities of mean convex surfaces. Acta Mathematica, 183(1), 45-70. doi:10.1007/BF02392946.