Historical milestone · 2017

    Multi-Agent Actor-Critic for Mixed Cooperative-Competitive Environments

    Reviewed through September 18, 2026

    2017 · Historical milestone

    Multi-Agent Actor-Critic for Mixed Cooperative-Competitive Environments

    Era
    2010s
    Theme
    Multi-agent coordination
    Evidence form
    Algorithm + simulation
    School / paradigm
    Multi-agent reinforcement learning
    Institution / context
    OpenAI; UC Berkeley; McGill University
    Researchers
    Ryan Lowe; collaborators

    Understand

    Plain-language record, transferred from the reviewed source module.

    Theory or experimental setup. Trained decentralized actors with centralized critics in mixed cooperative and competitive particle environments.

    Result / historical claim. Addressed non-stationarity created by simultaneously learning peers and enabled coordinated policies in tested simulations.

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    Professional implication, only where the reviewed record states one.

    The checked-in record does not state a separate professional application for this entry. The topic page places it in the wider research lineage: .

    Verify

    Evidence status, stated limitations, and the external sources this record actually carries.

    Evidence form. Algorithm + simulation

    Limitation / debate. Small simulated populations and centralized training inputs limited scale and external validity.

    Source status. This milestone row does not carry a primary-source URL in the approved export, and we do not have a verified link for it in our own research. We do not guess one.

    No primary-source URL is recorded for this entry in our reviewed data. Rather than manufacture a citation, we link the Implement Agentic research page that carries the record.

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