1.1k citations · 1.7k across the 21 of their papers we have counts for
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math.ST2020★ 10 cited
Consistency of Spectral Clustering on Hierarchical Stochastic Block Models
Lihua Lei, Xiaodong Li, Xingmei Lou
We study the hierarchy of communities in real-world networks under a generic stochastic block model, in which the connection probabilities are structured in a binary tree. Under su…
math.ST2020★ 1 cited
Nonconvex Matrix Completion with Linearly Parameterized Factors
Ji Chen, Xiaodong Li, Zongming Ma
Techniques of matrix completion aim to impute a large portion of missing entries in a data matrix through a small portion of observed ones. In practice including collaborative filt…