A generalized Weierstrass representation of Lorentzian surfaces in and applications
arXiv:1511.07579 · doi:10.1142/S0219887816500742
Abstract
We give a generalized Weierstrass formula for a Lorentz surface conformally immersed in the four-dimensional space using spinors and Lorentz numbers. We also study the immersions of a Lorentzian surface in {\bf the} Anti-de Sitter space (a pseudo-sphere in ): we give a new spinor representation formula and deduce the conformal description of a flat Lorentzian surface in that space.
arXiv admin note: text overlap with arXiv:1410.7313. To appear in the International Journal of Geometric Methods in Modern Physics