Higher-order Voronoi diagrams on triangulated surfaces

  • Authors:
  • S. Cabello;M. Fort;J. A. Sellarès

  • Affiliations:
  • University of Ljubljana, Slovenia;Universitat de Girona, Spain;Universitat de Girona, Spain

  • Venue:
  • Information Processing Letters
  • Year:
  • 2009

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Abstract

We study the complexity of higher-order Voronoi diagrams on triangulated surfaces under the geodesic distance, when the sites may be polygonal domains of constant complexity. More precisely, we show that on a surface defined by n triangles the sum of the combinatorial complexities of the order-j Voronoi diagrams of m sites, for j=1,...,k, is O(k^2n^2+k^2m+knm), which is asymptotically tight in the worst case.