SIMULTANEOUS EDGE FLIPPING IN TRIANGULATIONS

Author:

GALTIER JERÔME1,HURTADO FERRAN2,NOY MARC2,PÉRENNES STÉPHANE3,URRUTIA JORGE4

Affiliation:

1. France Télécom R&D and Projet Mascotte (INRIA/UNSA/CNRS), 2004 route des Lucioles, BP 93, 06902 Sophia Antipolis, France

2. Departament de Matemàtica Aplicada II, Universitat Politècnica de Catalunya, Pau Gargallo, 5, 08028 Barcelona, Spain

3. Projet Mascotte (INRIA/UNSA/CNRS), 2004 route des Lucioles, BP 93,06902 Sophia Antipolis, France

4. Instituto de Matemáticas, Universidad Nacional Autónoma de México, Área de la investigación científica, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México D.F., México

Abstract

We generalize the operation of flipping an edge in a triangulation to that of flipping several edges simultaneously. Our main result is an optimal upper bound on the number of simultaneous flips that are needed to transform a triangulation into another. Our results hold for triangulations of point sets and for polygons.

Publisher

World Scientific Pub Co Pte Lt

Subject

Applied Mathematics,Computational Mathematics,Computational Theory and Mathematics,Geometry and Topology,Theoretical Computer Science

Reference13 articles.

1. Generating rooted triangulations without repetitions

2. Reverse search for enumeration

3. N. Di Cesare, O. Pironneau and E. Polak, Publications du Laboratoire d'Analyse Numérique 17 (Université Pierre et Marie Curie, 1998) p. R98005.

4. Incremental topological flipping works for regular triangulations

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