A Planar 3-Convex Set is Indeed a Union of Six Convex Sets. - Noa Nitzan; Micha A. Perles (Discret. Comput. Geom., 2013)

The Maximum Number of Edges in Geometric Graphs with Pairwise Virtually Avoiding Edges. - Eyal Ackerman; Noa Nitzan; Rom Pinchasi (Graphs Comb., 2014)