2020Proceedings of the American Mathematical SocietyOpen access

The polytopes in a Poisson hyperplane tessellation

Rolf Schneider

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Abstract

For a stationary Poisson hyperplane tessellation $X$ in $\mathbb {R}^d$, whose generating hyperplane process has a directional distribution satisfying some mild conditions (which hold in the isotropic case, for example), it was recently shown that with probability one every combinatorial type of a simple $d$-polytope is realized infinitely often by the polytopes of $X$. This result is strengthened here: with probability one, every such combinatorial type appears among the polytopes of $X$ not only infinitely often, but with positive density.

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For a stationary Poisson hyperplane tessellation $X$ in $\mathbb {R}^d$, whose generating hyperplane process has a directional distribution satisfying some mild conditions (which hold in the isotropic case, for example), it was recently shown that with probability one every combinatorial type of a simple $d$-polytope is realized infinitely often by the polytopes of $X$. This result is strengthened here: with probability one, every such combinatorial type appears among the polytopes of $X$ not only infinitely often, but with positive density.

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Available abstract

For a stationary Poisson hyperplane tessellation $X$ in $\mathbb {R}^d$, whose generating hyperplane process has a directional distribution satisfying some mild conditions (which hold in the isotropic case, for example), it was recently shown that with probability one every combinatorial type of a simple $d$-polytope is realized infinitely often by the polytopes of $X$. This result is strengthened here: with probability one, every such combinatorial type appears among the polytopes of $X$ not only infinitely often, but with positive density.

Key concepts: Polytope, Hyperplane, Combinatorics, Tessellation (computer graphics), Poisson distribution, Mathematics, Simple (philosophy), Isotropy

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