Repeated Angles in Three and Four Dimensions. - Roel Apfelbaum; Micha Sharir (SIAM J. Discret. Math., 2005)

Similar simplices in a d-dimensional point set. - Pankaj K. Agarwal; Roel Apfelbaum; George B. Purdy; Micha Sharir (SCG, 2007)

Large Complete Bipartite Subgraphs In Incidence Graphs Of Points And Hyperplanes. - Roel Apfelbaum; Micha Sharir (SIAM J. Discret. Math., 2007)

Points with large quadrant-depth. - Roel Apfelbaum; Itay Ben-Dan; Stefan Felsner; Rom Pinchasi; Tillmann Miltzow (SCG, 2010)

An Improved Bound on the Number of Unit Area Triangles. - Roel Apfelbaum; Micha Sharir (Discret. Comput. Geom., 2010)

Non-Degenerate Spheres in Three Dimensions. - Roel Apfelbaum; Micha Sharir (Comb. Probab. Comput., 2011)

Points with Large Quadrant Depth. - Roel Apfelbaum; Itay Ben-Dan; Stefan Felsner; Tillmann Miltzow; Rom Pinchasi; Torsten Ueckerdt; Ran Ziv (J. Comput. Geom., 2011)

Geometric incidences and repeated configurations - Roel Apfelbaum (2012)

The Constant of Proportionality in Lower Bound Constructions of Point-Line Incidences. - Roel Apfelbaum (CoRR, 2017)

Estimating the Number of Distinct Items in a Database by Sampling. - Roel Apfelbaum (CIKM, 2019)