56 citations · 225 across the 37 of their papers we have counts for
Showing 2019Show all
3 papers · 1 filter
stat.ME2019★ 56 cited
Community Detection for Hypergraph Networks via Regularized Tensor Power Iteration
Zheng Tracy Ke, Feng Shi, Dong Xia
To date, social network analysis has been largely focused on pairwise interactions. The study of higher-order interactions, via a hypergraph network, brings in new insights. We stu…
stat.ME2019
Diagonally-Dominant Principal Component Analysis
Zheng Tracy Ke, Lingzhou Xue, Fan Yang
We consider the problem of decomposing a large covariance matrix into the sum of a low-rank matrix and a diagonally dominant matrix, and we call this problem the "Diagonally-Domina…
math.ST2019★ 1 cited
Optimal Adaptivity of Signed-Polygon Statistics for Network Testing
Jiashun Jin, Zheng Tracy Ke, Shengming Luo
Given a symmetric social network, we are interested in testing whether it has only one community or multiple communities. The desired tests should (a) accommodate severe degree het…