Rectilinear Static and Dynamic Discrete 2-center Problems

  • Authors:
  • Sergei Bespamyatnikh;Michael Segal

  • Affiliations:
  • -;-

  • Venue:
  • WADS '99 Proceedings of the 6th International Workshop on Algorithms and Data Structures
  • Year:
  • 1999

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Abstract

In this paper we consider several variants of the discrete 2- center problem. The problem is: Given a set S of n demand points and a set C of m supply points, find two "minimal" axis-parallel squares (or rectangles) centered at the points of C that cover all the points of S. We present efficient solutions for both the static and dynamic versions of the problem (i.e. points of S are allowed to be inserted or deleted) and also consider the problem in fixed d, d ≥ 3 dimensional space. For the static version in the plane we give an optimal algorithm.