Prosenjit Bose, Luc Devroye, Maarten Löffler, Jack Snoeyink, Vishal Verma. The spanning ratio of the Delaunay triangulation is greater than pi/2. In Proceedings of the 21st Annual Canadian Conference on Computational Geometry, Vancouver, British Columbia, Canada, August 17-19, 2009. pages 165-167, 2009. [doi]
Abstract is missing.