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Reconstructing almost all of a point set in mathbb{R}^d from randomly revealed pairwise distances

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arxiv 2401.01882 v2 pith:7JX64G2K submitted 2024-01-03 math.CO math.MGmath.PR

Reconstructing almost all of a point set in mathbb{R}^d from randomly revealed pairwise distances

classification math.CO math.MGmath.PR
keywords almostisometrymathbbpointsprobabilityreconstructrevealedadapt
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Let $V$ be a set of $n$ points in $\mathbb{R}^d$, and suppose that the distance between each pair of points is revealed independently with probability $p$. We study when this information is sufficient to reconstruct large subsets of $V$, up to isometry. Strong results for $d=1$ have been obtained by Gir\~ao, Illingworth, Michel, Powierski, and Scott. In this paper, we investigate higher dimensions, and show that if $p>n^{-2/(d+4)}$, then we can reconstruct almost all of $V$ up to isometry, with high probability. We do this by relating it to a polluted graph bootstrap percolation result, for which we adapt the methods of Balogh, Bollob\'as, and Morris.

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