Zachary Abel, Brad Ballinger, Prosenjit Bose, Sébastien Collette, Vida Dujmovic, Ferran Hurtado, Scott D. Kominers, Stefan Langerman, Attila Pór, David R. Wood. Every Large Point Set contains Many Collinear Points or an Empty Pentagon. In Proceedings of the 21st Annual Canadian Conference on Computational Geometry, Vancouver, British Columbia, Canada, August 17-19, 2009. pages 99-102, 2009. [doi]
Abstract is missing.