Improved bounds on weak &egr;-nets for convex sets
STOC '93 Proceedings of the twenty-fifth annual ACM symposium on Theory of computing
Separators for sphere-packings and nearest neighbor graphs
Journal of the ACM (JACM)
Lectures on Discrete Geometry
A 3-space partition and its applications
STOC '83 Proceedings of the fifteenth annual ACM symposium on Theory of computing
New Constructions of Weak ε-Nets
Discrete & Computational Geometry
Ray-shooting depth: computing statistical data depth of point sets in the plane
ESA'11 Proceedings of the 19th European conference on Algorithms
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We prove an optimal extension of the centerpoint theorem: given a set P of n points in the plane, there exist two points (not necessarily among input points) that hit all convex sets containing more than 47n points of P. We further prove that this bound is tight. We get this bound as part of a more general procedure for finding small number of points hitting convex sets over P, yielding several improvements over previous results.