Author

Qian Hui

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Preprint Jul 2026

Hub Neighbor-Degree Diagnostics for Sparse Random Graphs

Networks with nearly identical degree distributions can place their hubs in sharply different neighborhoods. We develop a model diagnostic based on the mean degree of the neighbors of a degree-$k$ vertex. Under rank-one inhomogeneous random graphs, this statistic has degree-invariant centering and $k^{-1/2}$ fluctuatio...

Qian Hui, Tiandong Wang · 0 citations