Embedded triply periodic zero mean curvature surfaces of mixed type in Lorentz-Minkowski 3-space
arXiv:1302.4315
Abstract
We construct embedded triply periodic zero mean curvature surfaces of mixed type in the Lorentz-Minkowski 3-space with the same topology as the Schwarz D surface in the Euclidean 3-space.
17 pages, 14 figures