%0 Journal Article %A Daniel Kraft %T A Hopf–Lax formula for the time evolution of the level-set equation and a new approach to shape sensitivity analysis %J Interfaces and free boundaries %D 2016 %P 317-353 %V 18 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/366/ %R 10.4171/ifb/366 %F 10_4171_ifb_366