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The convex hull of random points on the boundary of a simple polytope

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arxiv 1911.05917 v3 pith:YLIN4NDD submitted 2019-11-14 math.PR

classification math.PR
keywords convexpointsrandomresultssimpleboundarychosenhull
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The convex hull of N independent random points chosen on the boundary of a simple polytope in R^n is investigated. Asymptotic formulas for the expected number of vertices and facets, and for the expectation of the volume difference are derived. This is one of the first investigations leading to rigorous results for random polytopes which are neither simple nor simplicial. The results contrast existing results when points are chosen in the interior of a convex set.

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  1. Minimum Norm Interpolation via The Local Theory of Banach Spaces: The Role of Gaussianity

    math.ST 2026-07 conditional novelty 6.0 of 10

    The sharp MSE bound for the ℓ1-minimum-norm interpolator under isotropic Gaussian covariates is recovered via the geometry of symmetric Gaussian polytopes, without the convex Gaussian min-max theorem.

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