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math.ST2018★ 4 cited
Non-Asymptotic Chernoff Lower Bound and Its Application to Community Detection in Stochastic Block Model
Zhixin Zhou, Ping Li
Chernoff coefficient is an upper bound of Bayes error probability in classification problem. In this paper, we will develop sharp Chernoff type bound on Bayes error probability. Th…
math.ST2018
Optimal Bipartite Network Clustering
Zhixin Zhou, Arash A. Amini
We study bipartite community detection in networks, or more generally the network biclustering problem. We present a fast two-stage procedure based on spectral initialization follo…
math.ST2018
Analysis of spectral clustering algorithms for community detection: the general bipartite setting
Zhixin Zhou, Arash A. Amini
We consider spectral clustering algorithms for community detection under a general bipartite stochastic block model (SBM). A modern spectral clustering algorithm consists of three…