* weighted Voronoi & Delaunay, k-th order Voronoi & Delaunay
* distance to a measure
* restricted Delaunay, tangential complex, witness complex, graph-induced complex
* Lovasz local lemma / Moser-Tardos algorithm
* nearest neighbors (grid, Voronoi, quadtree, kd-tree, locality sensitive hashing, Johnson-Lindenstrauss)