On obstructions in relation to a fixed viewpoint

  • Authors:
  • K. Mulmuley

  • Affiliations:
  • Chicago Univ., IL, USA

  • Venue:
  • SFCS '89 Proceedings of the 30th Annual Symposium on Foundations of Computer Science
  • Year:
  • 1989

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Abstract

108 Efficient, randomized algorithms are given for the following problems: (1) construction of levels of order 1 to k in an arrangement of hyperplanes in any dimension; (2) construction of higher order Voronoi diagrams of order 1 to k in any dimension; (3) hidden surface removal for completely general scenes (intersecting and curved faces are allowed). A combinatorial tool in the form of a mathematical series called a theta series is associated with a configuration of polytopes in R/sup d/. It is used to study the combinatorial, as well as algorithmic, complexity of the geometric problems under consideration.