A geometric proof of regularity of all anisotropic minimal surfaces in ${\mathbb{R}}^2$

Max Goering

A set of locally finite perimeter $E\subset {\mathbb{R}}^n$ is called an anisotropic minimal surface in an open set $A$ if $\Phi (E;A)\le \Phi (F;A)$ for some surface energy $Φ(E;A) = \i…