A Formal Model for Multiagent Q-Learning Dynamics on Regular Graphs

Chen Chu, Yong Li, Jinzhuo Liu, Shuyue Hu, Xuelong Li, Zhen Wang

Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence

Main Track. Pages 194-200.

https://doi.org/10.24963/ijcai.2022/28

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Abstract

Modeling the dynamics of multi-agent learning has long been an important research topic. The focus of previous research has been either on 2-agent settings or well-mixed infinitely large agent populations. In this paper, we consider the scenario where n Q-learning agents locate on regular graphs, such that agents can only interact with their neighbors. We examine the local interactions between individuals and their neighbors, and derive a formal model to capture the Q-value dynamics of the entire population. Through comparisons with agent-based simulations on different types of regular graphs, we show that our model describes the agent learning dynamics in an exact manner.

Keywords

  • Agent-based and Multi-agent Systems: Multi-agent Learning
  • Agent-based and Multi-agent Systems: Agent Societies
  • Agent-based and Multi-agent Systems: Agent-Based Simulation and Emergence
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