A Replacement for Voronoi Diagrams of Near Linear Size

  • Authors:
  • S. Har-Peled

  • Affiliations:
  • -

  • Venue:
  • FOCS '01 Proceedings of the 42nd IEEE symposium on Foundations of Computer Science
  • Year:
  • 2001

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Abstract

For a set P of n points in \mathbb{R}^d , we define a new type of space decomposition. The new diagram provides an \varepsilon-approximation to the distance function associated with the Voronoi diagram of P, while being of near linear size, for d \geqslant 2. This contrasts with the standard Voronoi diagram that has \Omega (n^{\left\lceil {{d \mathord{\left/ {\vphantom {d 2}} \right. \kern-\nulldelimiterspace} 2}} \right\rceil } ) complexity in the worst case.