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arXiv 1801.07342math.PRcs.DS
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Perfect simulation of the Hard Disks Model by Partial Rejection Sampling

Heng Guo, Mark Jerrum

英文摘要:

We present a perfect simulation of the hard disks model via the partial rejection sampling method. Provided the density of disks is not too high, the method produces exact samples in $O(\log n)$ rounds, and total time $O(n)$, where $n$ is the expected number of disks. The method extends easily to the hard spheres model in $d>2$ dimensions. In order to apply the partial rejection method to this continuous setting, we provide an alternative perspective of its correctness and run-time analysis that is valid for general state spaces.

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