Weak witnesses for Delaunay triangulations of submanifolds

  • Authors:
  • Dominique Attali;Herbert Edelsbrunner;Yuriy Mileyko

  • Affiliations:
  • LIS, INPG-CNRS;Duke University and Geomagic;Duke University

  • Venue:
  • Proceedings of the 2007 ACM symposium on Solid and physical modeling
  • Year:
  • 2007

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Abstract

The main result of this paper is an extension of de Silva's Weak Delaunay Theorem to smoothly embedded curves and surfaces in Euclidean space. Assuming a sufficiently fine sampling, we prove that i + 1 points in the sample span an i-simplex in the restricted Delaunay triangulation iff every subset of the i + 1 points has a weak witness.