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Flips in Edge-Labelled Pseudo-Triangulations (1512.01485v1)

Published 4 Dec 2015 in cs.CG

Abstract: We show that $O(n2)$ exchanging flips suffice to transform any edge-labelled pointed pseudo-triangulation into any other with the same set of labels. By using insertion, deletion and exchanging flips, we can transform any edge-labelled pseudo-triangulation into any other with $O(n \log c + h \log h)$ flips, where $c$ is the number of convex layers and $h$ is the number of points on the convex hull.

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