Flip distance between triangulations of a planar point set is APX-hard

Abstract

In this work we consider triangulations of point sets in the Euclidean plane, i.e., maximal straight-line crossing-free graphs on a finite set of points. Given a triangulation of a point set, an edge flip is the operation of removing one edge and adding another one, such that the resulting graph is again a triangulation. Flips are a major way of locally… (More)
DOI: 10.1016/j.comgeo.2014.01.001

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