Helmut Pottmann, Yang Liu. Discrete Surfaces in Isotropic Geometry. In Ralph R. Martin, Malcolm A. Sabin, Joab R. Winkler, editors, Mathematics of Surfaces XII, 12th IMA International Conference, Sheffield, UK, September 4-6, 2007, Proceedings. Volume 4647 of Lecture Notes in Computer Science, pages 341-363, Springer, 2007. [doi]
Abstract is missing.