On counting point-hyperplane incidences

  • Authors:
  • Peter Brass;Christian Knauer

  • Affiliations:
  • Freie Universität Berlin, Institute of Computer Science, Takustrasse 9, D-14195 Berlin, Germany;Freie Universität Berlin, Institute of Computer Science, Takustrasse 9, D-14195 Berlin, Germany

  • Venue:
  • Computational Geometry: Theory and Applications - Special issue: The European workshop on computational geometry -- CG01
  • Year:
  • 2003

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Abstract

In this paper we discuss three closely related problems on the incidence structure between n points and m hyperplanes in d-dimensional space: the maximal number of incidences if there are no big bipartite subconfigurations, a compressed representation for the incidence structure, and a lower bound for any algorithm that determines the number of incidences (counting version of Hopcroft's problem). For this we give a construction of a special point-hyperplane configuration, giving a lower bound, which almost meets the best upper bound known thus far.