Abstract:Federated learning is a popular distributed and privacy-preserving machine learning approach. Meanwhile, minimax optimization is an effective hierarchical model in machine learning. Recently, some federated learning methods have been proposed to solve the distributed minimax optimization. However, these federated minimax optimization methods still suffer from high gradient and communication complexities. To fill this gap, in the paper, we study the Nonconvex-Strongly-Concave (NSC) minimax optimization, and pro… Show more
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