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stat.ML2026
Spectral Concentration and Recovery in Sparse High-Dimensional Random Geometric Graphs
Manuel Fernandez, Yizhe Zhu
We study sparse threshold random geometric graphs generated by high-dimensional spherical or Gaussian latent vectors. Although each edge has marginal probability , shared latent…
stat.ML2026
Achieving the Kesten-Stigum bound in the non-uniform hypergraph stochastic block model
Manuel Fernandez, Ludovic Stephan, Yizhe Zhu
We study the community detection problem in the non-uniform hypergraph stochastic block model (HSBM), where hyperedges of varying sizes coexist. This setting captures higher-order…