第十章.极小曲面 1.极小图 Animation showing the deformation of a helicoid into a catenoid. Animation of Scherk's first and second surface transforming into each other: they are members of the same associate family of minimal surfaces. 1.1.极小图的等温坐标 1.2.Bernstein
Navier-Stokes equations 1 Let $\omega$ be a domain in $\bbR^3$, complement of a compact set $\mathcal{B}$. Consider the following boundary value problem in $\omega$: $$\bee\label{NS:1} \left. \ba{cc} \left.\ba{ll} \nu \lap v=(v-\xi-\omega\times x) \c