On planar path transformation

  • Authors:
  • Selim G. Akl;Md. Kamrul Islam;Henk Meijer

  • Affiliations:
  • School of Computing, Queen's University Kingston, Ontario, Canada K7L 3N6;School of Computing, Queen's University Kingston, Ontario, Canada K7L 3N6;School of Computing, Queen's University Kingston, Ontario, Canada K7L 3N6

  • Venue:
  • Information Processing Letters
  • Year:
  • 2007

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Abstract

A flip or edge-replacement is considered as a transformation by which one edge e of a geometric object is removed and an edge f (fe) is inserted such that the resulting object belongs to the same class as the original object. Here, we consider Hamiltonian planar paths as geometric objects. A technique is presented for transforming a given planar path into another one for a set S of n points in convex position in the plane. Under these conditions, we show that any planar path can be transformed into another planar path by at most 2n-5 flips. For the case when the points are in general position we provide experimental results regarding transformability of any planar path into another. We show that for n=