HySTAR: Anchored Hypergraphs for Stable Credit Assignment in Cooperative Multi-Agent Reinforcement Learning
This work introduces HySTAR, a MAPPO-based framework that separates adaptive representation learning from a temporally consistent high-order value-decomposition basis, and demonstrates consistent improvements over MAPPO-style, value-factorization, and dynamic-grouping baselines.
Xing-Long Luo, Yu-Ding Zhang, Yu-Heng Kuang et al.
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