Published in

World Scientific Publishing, International Journal of Computational Geometry and Applications, 03(28), p. 255-269, 2018

DOI: 10.1142/s0218195918500061

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Walking in a Planar Poisson-Delaunay Triangulation: Shortcuts in the Voronoi Path

Journal article published in 2016 by Olivier Devillers ORCID, Louis Noizet
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Let [Formula: see text] be a planar Poisson point process of intensity [Formula: see text]. We give a new proof that the expected length of the Voronoi path between [Formula: see text] and [Formula: see text] in the Delaunay triangulation associated with [Formula: see text] is [Formula: see text] when [Formula: see text] goes to infinity; and we also prove that the variance of this length is [Formula: see text]. We investigate the length of possible shortcuts in this path, and define a shortened Voronoi path whose expected length can be expressed as an integral that is numerically evaluated to [Formula: see text]. The shortened Voronoi path has the property to be locally defined; and is shorter than the previously known locally defined paths in Delaunay triangulation such as the upper path whose expected length is [Formula: see text].