The density of iterated crossing points and a gap result for triangulations of finite point sets.

Rolf Klein Martin Kutz The density of iterated crossing points and a gap result for triangulations of finite point sets. 264-272 2006 conf/compgeom/2006 Symposium on Computational Geometry http://doi.acm.org/10.1145/1137856.1137897 db/conf/compgeom/compgeom2006.html#KleinK06