Graphs that admit right angle crossing drawings

  • Authors:
  • Karin Arikushi;Radoslav Fulek;Balázs Keszegh;Filip Morić;Csaba D. Tóth

  • Affiliations:
  • University of Calgary;Ecole Polytechnique Fédérale de Lausanne;Ecole Polytechnique Fédérale de Lausanne and Alfréd Rényi Institute of Mathematics;Ecole Polytechnique Fédérale de Lausanne;University of Calgary

  • Venue:
  • WG'10 Proceedings of the 36th international conference on Graph-theoretic concepts in computer science
  • Year:
  • 2010

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Abstract

We consider right angle crossing (RAC) drawings of graphs in which the edges are represented by polygonal arcs and any two edges can cross only at a right angle. We show that if a graph with n vertices admits a RAC drawing with at most 1 bend or 2 bends per edge, then the number of edges is at most 6.5n and 74.2n, respectively. This is a strengthening of a recent result of Didimo et al.