collaborators

7 papers

cs.LG2025

On the Linear Speedup of Personalized Federated Reinforcement Learning with Shared Representations

Guojun Xiong, Shufan Wang, Daniel Jiang +1

Federated reinforcement learning (FedRL) enables multiple agents to collaboratively learn a policy without sharing their local trajectories collected during agent-environment inter…

cs.LG2025

DOPL: Direct Online Preference Learning for Restless Bandits with Preference Feedback

Guojun Xiong, Ujwal Dinesha, Debajoy Mukherjee +2

Restless multi-armed bandits (RMAB) has been widely used to model constrained sequential decision making problems, where the state of each restless arm evolves according to a Marko…

eess.SY2025

Multi-Agent Reinforcement Learning for Decentralized Reservoir Management via Murmuration Intelligence

Heming Fu, Guojun Xiong, Jian Li +1

Conventional centralized water management systems face critical limitations from computational complexity and uncertainty propagation. We present MurmuRL, a novel decentralized fra…

cs.LG2025

Decentralized Federated Learning with Model Caching on Mobile Agents

Xiaoyu Wang, Guojun Xiong, Houwei Cao +2

Federated Learning (FL) trains a shared model using data and computation power on distributed agents coordinated by a central server. Decentralized FL (DFL) utilizes local model ex…

cs.LG2024

Straggler-Resilient Decentralized Learning via Adaptive Asynchronous Updates

Guojun Xiong, Gang Yan, Shiqiang Wang +1

With the increasing demand for large-scale training of machine learning models, fully decentralized optimization methods have recently been advocated as alternatives to the popular…

cs.LG2024

Provably Efficient Reinforcement Learning for Adversarial Restless Multi-Armed Bandits with Unknown Transitions and Bandit Feedback

Guojun Xiong, Jian Li

Restless multi-armed bandits (RMAB) play a central role in modeling sequential decision making problems under an instantaneous activation constraint that at most B arms can be acti…