Chromatic variants of the Erdös-Szekeres theorem on points in convex position

  • Authors:
  • Olivier Devillers;Ferran Hurtado;Gyula Károlyi;Carlos Seara

  • Affiliations:
  • INRIA, BP93, 06902 Sophia-Antipolis, France;Department Matemàtica Aplicada II, Universitat Politècnica de Catalunya, Pau Gargallo 5, 08028 Barcelona, Spain;Institute for Operations Research, Department of Mathematics, ETH Zurich, CH-8092 Zurich, Switzerland;Department Matemàtica Aplicada II, Universitat Politècnica de Catalunya, Pau Gargallo 5, 08028 Barcelona, Spain

  • Venue:
  • Computational Geometry: Theory and Applications
  • Year:
  • 2003

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Abstract

Let S be a point set in the plane in general position, such that its elements are partitioned into k classes or colors. In this paper we study several variants on problems related to the Erdös-Szekeres theorem about subsets of S in convex position, when additional chromatic constraints are considered.