Reconfiguring Triangulations with Edge Flips and Point Moves
Aloupis, Greg and Bose, Prosenjit and Morin, Pat (2004) Reconfiguring Triangulations with Edge Flips and Point Moves. In: Graph Drawing 12th International Symposium, GD 2004, September 29-October 2, 2004, New York, NY, USA , pp. 1-11 (Official URL: http://dx.doi.org/10.1007/978-3-540-31843-9_1).
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We examine reconfigurations between triangulations and near-triangulations of point sets, and give new bounds on the number of point moves and edge flips sufficient for any reconfiguration. We show that with O(n log n) edge flips and point moves, we can transform any geometric near-triangulation on n points to any other geometric near-triangulation on n possibly different points. This improves the previously known bound of O(n^2) edge flips and point moves. Research supported in part by the Natural Science and Engineering Council of Canada.
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