Computing crossing numbers in quadratic time

  • Authors:
  • Martin Grohe

  • Affiliations:
  • Laboratory for Foundations of Computer Science, University of Edinburgh, Edinburgh EH9 3JZ, Scotland, UK

  • Venue:
  • Journal of Computer and System Sciences - STOC 2001
  • Year:
  • 2004

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Abstract

We show that for every fixed k ≥ 0 there is a quadratic time algorithm that decides whether a given graph has crossing number at most k and, if this is the case, computes a drawing of the graph into the plane with at most k crossings.