Scalable Multiagent Reinforcement Learning with Collective Influence Estimation

• URL: http://arxiv.org/abs/2601.08210v1
• Date: Tue, 13 Jan 2026 04:24:11 GMT
• Title: Scalable Multiagent Reinforcement Learning with Collective Influence Estimation
• Authors: Zhenglong Luo, Zhiyong Chen, Aoxiang Liu, Ke Pan,
• Abstract summary: This paper proposes a multiagent learning framework augmented with a Collective Influence Estimation Network.<n>By explicitly modeling the collective influence of other agents on the task object, each agent can infer critical interaction information.<n> Experimental results show that the proposed method achieves stable and efficient coordination under communication-limited environments.
• Score: 5.050035210247092
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multiagent reinforcement learning (MARL) has attracted considerable attention due to its potential in addressing complex cooperative tasks. However, existing MARL approaches often rely on frequent exchanges of action or state information among agents to achieve effective coordination, which is difficult to satisfy in practical robotic systems. A common solution is to introduce estimator networks to model the behaviors of other agents and predict their actions; nevertheless, such designs cause the size and computational cost of the estimator networks to grow rapidly with the number of agents, thereby limiting scalability in large-scale systems. To address these challenges, this paper proposes a multiagent learning framework augmented with a Collective Influence Estimation Network (CIEN). By explicitly modeling the collective influence of other agents on the task object, each agent can infer critical interaction information solely from its local observations and the task object's states, enabling efficient collaboration without explicit action information exchange. The proposed framework effectively avoids network expansion as the team size increases; moreover, new agents can be incorporated without modifying the network structures of existing agents, demonstrating strong scalability. Experimental results on multiagent cooperative tasks based on the Soft Actor-Critic (SAC) algorithm show that the proposed method achieves stable and efficient coordination under communication-limited environments. Furthermore, policies trained with collective influence modeling are deployed on a real robotic platform, where experimental results indicate significantly improved robustness and deployment feasibility, along with reduced dependence on communication infrastructure.

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