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cs.AI2026

COOP: Defining, Observing, and Repairing Cooperation in LLM Multi-Agent Systems

Hanqing Yang, Narjes Nourzad, Shiyu Chen +3

Many complex tasks require extended effort, diverse capabilities, or coordinated actions beyond what a single agent can provide. However, simply adding more agents does not guarant…

cs.AI2026

DIG to Heal: Scaling General-purpose Agent Collaboration via Explainable Dynamic Decision Paths

Hanqing Yang, Hyungwoo Lee, Yuhang Yao +4

The increasingly popular agentic AI paradigm promises to harness the power of multiple, general-purpose large language model (LLM) agents to collaboratively complete complex tasks.…

cs.AI2026

The Five Ws of Multi-Agent Communication: Who Talks to Whom, When, What, and Why -- A Survey from MARL to Emergent Language and LLMs

Jingdi Chen, Hanqing Yang, Zongjun Liu +1

Multi-agent sequential decision-making powers many real-world systems, from autonomous vehicles and robotics to collaborative AI assistants. In dynamic, partially observable enviro…

cs.AI2025

DR. WELL: Dynamic Reasoning and Learning with Symbolic World Model for Embodied LLM-Based Multi-Agent Collaboration

Narjes Nourzad, Hanqing Yang, Shiyu Chen +1

Cooperative multi-agent planning requires agents to make joint decisions with partial information and limited communication. Coordination at the trajectory level often fails, as sm…

cs.AI2025

LLM-Powered Decentralized Generative Agents with Adaptive Hierarchical Knowledge Graph for Cooperative Planning

Hanqing Yang, Jingdi Chen, Marie Siew +2

Developing intelligent agents for long-term cooperation in dynamic open-world scenarios is a major challenge in multi-agent systems. Traditional Multi-agent Reinforcement Learning…