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math.OC2022
Snap-Shot Decentralized Stochastic Gradient Tracking Methods
Haishan Ye, Xiangyu Chang
In decentralized optimization, agents form a network and only communicate with their neighbors, which gives advantages in data ownership, privacy, and scalability. At the same…
stat.ME2022
On the efficacy of higher-order spectral clustering under weighted stochastic block models
Xiao Guo, Hai Zhang, Xiangyu Chang
Higher-order structures of networks, namely, small subgraphs of networks (also called network motifs), are widely known to be crucial and essential to the organization of networks.…