On Angles in Higher Order Brillouin Tessellations and Related Tilings in the Plane

04/03/2022

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by   Herbert Edelsbrunner, et al.

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For a locally finite set in ℝ^2, the order-k Brillouin tessellations form an infinite sequence of convex face-to-face tilings of the plane. If the set is coarsely dense and generic, then the corresponding infinite sequences of minimum and maximum angles are both monotonic in k. As an example, a stationary Poisson point process in ℝ^2 is locally finite, coarsely dense, and generic with probability one. For such a set, the distribution of angles in the Voronoi tessellations, Delaunay mosaics, and Brillouin tessellations are independent of the order and can be derived from the formula for angles in order-1 Delaunay mosaics given by Miles in 1970.