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math.PR2024
Mean-field Potts and random-cluster dynamics from high-entropy initializations
Antonio Blanca, Reza Gheissari, Xusheng Zhang
A common obstruction to efficient sampling from high-dimensional distributions with Markov chains is the multimodality of the target distribution because they may get trapped far f…
cs.LG2024
Energy-efficient Decentralized Learning via Graph Sparsification
Xusheng Zhang, Cho-Chun Chiu, Ting He
This work aims at improving the energy efficiency of decentralized learning by optimizing the mixing matrix, which controls the communication demands during the learning process. T…