Xutong Zhao — accepted AI-conference papers

2025

Multi-level Advantage Credit Assignment for Cooperative Multi-Agent Reinforcement Learning

AISTATS 2025poster

Cooperative multi-agent reinforcement learning (MARL) aims to coordinate multiple agents to achieve a common goal. A key challenge in MARL is credit assignment, which involves assessing each agent's contribution to the shared reward. Given the diversity of tasks, agents may perform different types o…

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2023

Conditionally optimistic exploration for cooperative deep multi-agent reinforcement learning

Xutong Zhao, Yangchen Pan, Chenjun Xiao, Sarath Chandar, Janarthanan Rajendran

UAI 2023poster

Efficient exploration is critical in cooperative deep Multi-Agent Reinforcement Learning (MARL). In this work, we propose an exploration method that effectively encourages cooperative exploration based on the idea of sequential action-computation scheme. The high-level intuition is that to perform o…

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