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Partial recovery and weak consistency in the non-uniform hypergraph Stochastic Block Model. (arXiv:2112.11671v2 [math.ST] UPDATED)
Sept. 1, 2022, 1:11 a.m. | Ioana Dumitriu, Haixiao Wang, Yizhe Zhu
stat.ML updates on arXiv.org arxiv.org
We consider the community detection problem in sparse random hypergraphs
under the non-uniform hypergraph stochastic block model (HSBM), a general model
of random networks with community structure and higher-order interactions. When
the random hypergraph has bounded expected degrees, we provide a spectral
algorithm that outputs a partition with at least a $\gamma$ fraction of the
vertices classified correctly, where $\gamma\in (0.5,1)$ depends on the
signal-to-noise ratio (SNR) of the model. When the SNR grows slowly as the
number of vertices …
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