Smooth kinetic maintenance of clusters

  • Authors:
  • John Hershberger

  • Affiliations:
  • Mentor Graphics Corp., 8005 SW Boeckman Road, Wilsonville, OR 97070, USA

  • Venue:
  • Computational Geometry: Theory and Applications - Special issue on the 19th annual symposium on computational geometry - SoCG 2003
  • Year:
  • 2005

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Abstract

We propose a simple, deterministic kinetic data structure (KDS) for maintaining a covering of moving points by axis-aligned unit boxes in R^d. The number of boxes is always within a factor of 3^d of the best possible static covering. In the plane, this approximation factor (9) compares favorably with the approximation factor (around one million) of the best previous algorithm. The new KDS is efficient, local, compact, and responsive.