publication venue for Spanning trees of multicoloured point sets with few intersections 2005-01-01 Improved bounds for the number of (≤ k)-Sets, convex quadrilaterals, and the rectilinear crossing number of Kn 2004-01-01
proceedings of 12th International Symposium on Graph Drawing, GD 2004 Conference Indonesia-Japan Joint Conference on Combinatorial Geometry and Graph Theory, IJCCGGT 2003 Conference
