u003cpu003e* Devoted to the motion of surfaces for which the normal velocity at every point is given by the mean curvature at that point; this geometric heat flow process is called mean curvature flow.u003c/pu003e u003cpu003e* Mean curvature flow and related geometric evolution equations are important tools in mathematics and mathematical physics.u003c/pu003e u003cpu003e u003c/pu003e