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06/02/2023
Federated Multi-Sequence Stochastic Approximation with Local Hypergradient Estimation
Stochastic approximation with multiple coupled sequences (MSA) has found...
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03/04/2023
What Is Missing in IRM Training and Evaluation? Challenges and Solutions
Invariant risk minimization (IRM) has received increasing attention as a...
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02/08/2023
Federated Minimax Optimization with Client Heterogeneity
Minimax optimization has seen a surge in interest with the advent of mod...
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07/28/2022
FedVARP: Tackling the Variance Due to Partial Client Participation in Federated Learning
Data-heterogeneous federated learning (FL) systems suffer from two signi...
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06/21/2022
Federated Reinforcement Learning: Linear Speedup Under Markovian Sampling
Since reinforcement learning algorithms are notoriously data-intensive, ...
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03/09/2022
Federated Minimax Optimization: Improved Convergence Analyses and Algorithms
In this paper, we consider nonconvex minimax optimization, which is gain...
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06/19/2021
STEM: A Stochastic Two-Sided Momentum Algorithm Achieving Near-Optimal Sample and Communication Complexities for Federated Learning
Federated Learning (FL) refers to the paradigm where multiple worker nod...
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12/21/2020
Zeroth-Order Hybrid Gradient Descent: Towards A Principled Black-Box Optimization Framework
In this work, we focus on the study of stochastic zeroth-order (ZO) opti...
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05/01/2020
Distributed Stochastic Non-Convex Optimization: Momentum-Based Variance Reduction
In this work, we propose a distributed algorithm for stochastic non-conv...
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01/09/2020
On Distributed Online Convex Optimization with Sublinear Dynamic Regret and Fit
In this work, we consider a distributed online convex optimization probl...
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12/12/2019
Parallel Restarted SPIDER – Communication Efficient Distributed Nonconvex Optimization with Optimal Computation Complexity
In this paper, we propose a distributed algorithm for stochastic smooth,...
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12/10/2019
Byzantine Resilient Non-Convex SVRG with Distributed Batch Gradient Computations
In this work, we consider the distributed stochastic optimization proble...
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06/25/2018