Discrete linear Weingarten surfaces with singularities in Riemannian and Lorentzian spaceforms
arXiv:1611.00143
Abstract
In this paper we define and analyze singularities of discrete linear Weingarten surfaces with Weierstrass-type representations in -dimensional Riemannian and Lorentzian spaceforms. In particular, we discuss singularities of discrete surfaces with non-zero constant Gaussian curvature, and parallel surfaces of discrete minimal and maximal surfaces, and discrete constant mean curvature surfaces in de Sitter -space, including comparisons with different previously known definitions of such singularities.
23 pages