Shared Experience Actor-Critic for Multi-Agent Reinforcement Learning
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Abstract (arXiv)
Exploration in multi-agent reinforcement learning is a challenging problem, especially in environments with sparse rewards. We propose a general method for efficient exploration by sharing experience amongst agents. Our proposed algorithm, called Shared Experience Actor-Critic (SEAC), applies experience sharing in an actor-critic framework. We evaluate SEAC in a collection of sparse-reward multi-agent environments and find that it consistently outperforms two baselines and two state-of-the-art algorithms by learning in fewer steps and converging to higher returns. In some harder environments, experience sharing makes the difference between learning to solve the task and not learning at all.
Key facts. Cited by 114 papers in the map (data through 7 Oct 2026). First posted on arXiv 12 Jun 2020.
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Citing papers per year: 2021: 10; 2022: 22; 2023: 25; 2024: 14; 2025: 33; 2026: 10.
114 papers.
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- 2021Celebrating Diversity in Shared Multi-Agent Reinforcement Learningcited by 96
- 2021Scaling Multi-Agent Reinforcement Learning with Selective Parameter Sharingcited by 85
- 2023JaxMARL: Multi-Agent RL Environments and Algorithms in JAXcited by 59
- 2021Cooperative Exploration for Multi-Agent Deep Reinforcement Learningcited by 57
- 2022Towards a Standardised Performance Evaluation Protocol for Cooperative MARLcited by 48
- 2022MASER: Multi-Agent Reinforcement Learning with Subgoals Generated from Experience Replay Buffercited by 34
- 2022Revisiting Some Common Practices in Cooperative Multi-Agent Reinforcement Learningcited by 32
- 2023Multi-agent Reinforcement Learning: A Comprehensive Surveycited by 30
- 2022Scalable Multi-Agent Reinforcement Learning for Warehouse Logistics with Robotic and Human Co-Workerscited by 28
- 2023A Review of Cooperation in Multi-agent Learningcited by 27
- 2021Decoupled Reinforcement Learning to Stabilise Intrinsically-Motivated Explorationcited by 25
- 2024Bridging Evolutionary Algorithms and Reinforcement Learning: A Comprehensive Survey on Hybrid Algorithmscited by 23
38 more
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- 2025Leveraging Large Language Models for Effective and Explainable Multi-Agent Credit Assignmentcited by 17
- 2021Mava: a research library for distributed multi-agent reinforcement learning in JAXcited by 14
- 2022Pareto Actor-Critic for Equilibrium Selection in Multi-Agent Reinforcement Learningcited by 14
- 2023Minimum Coverage Sets for Training Robust Ad Hoc Teamwork Agentscited by 13
- 2022Learning from Good Trajectories in Offline Multi-Agent Reinforcement Learningcited by 12
- 2023Dealing With Non-stationarity in Decentralized Cooperative Multi-Agent Deep Reinforcement Learning via Multi-Timescale Learningcited by 12
- 2022Toward Policy Explanations for Multi-Agent Reinforcement Learningcited by 11
- 2022Social Network Structure Shapes Innovation: Experience-sharing in RL with SAPIENScited by 10
- 2024Sable: a Performant, Efficient and Scalable Sequence Model for MARLcited by 10
- 2024HyperMARL: Adaptive Hypernetworks for Multi-Agent RLcited by 10
- 2021LINDA: Multi-Agent Local Information Decomposition for Awareness of Teammatescited by 9
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- 2021Learning Altruistic Behaviours in Reinforcement Learning without External Rewardscited by 8
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- 2023Self-Motivated Multi-Agent Explorationcited by 7
- 2022Trust-based Consensus in Multi-Agent Reinforcement Learning Systemscited by 6
- 2025ROTATE: Regret-driven Open-ended Training for Ad Hoc Teamworkcited by 6
- 2022Learning Task Embeddings for Teamwork Adaptation in Multi-Agent Reinforcement Learningcited by 5
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- 2023Ensemble Value Functions for Efficient Exploration in Multi-Agent Reinforcement Learningcited by 5
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- 2023Efficiently Quantifying Individual Agent Importance in Cooperative MARLcited by 4
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- 2025Low-Rank Agent-Specific Adaptation (LoRASA) for Multi-Agent Policy Learningcited by 4
- 2022The Multi-Agent Pickup and Delivery Problem: MAPF, MARL and Its Warehouse Applicationscited by 3
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- 2023VDFD: Multi-Agent Value Decomposition Framework with Disentangled World Modelcited by 3
- 2023Selectively Sharing Experiences Improves Multi-Agent Reinforcement Learningcited by 3
- 2024Revisiting Experience Replayable Conditionscited by 3
- 2025Enhancing Cooperative Multi-Agent Reinforcement Learning with State Modelling and Adversarial Explorationcited by 3
50 most cited of 114 All 114 (JSON)
- 2026Learned Coordination Conventions in Cooperative MARL: Measuring the Translation Gap Between Theory-Informed Roles and Learned Routing28 Jun 2026
- 2026Contract-Based Compositional Shielding for Safe Multi-Agent Reinforcement Learning12 Jun 2026
- 2026Generalized Intention Modeling in Multi-Agent Reinforcement Learning29 May 2026
- 2026PC3D: Zero-Shot Cooperation Across Variable Rosters via Personalized Context Distillation11 May 2026
- 2026Coordination Matters: Evaluation of Cooperative Multi-Agent Reinforcement Learning7 May 2026
- 2026SOAR: Real-Time Joint Optimization of Order Allocation and Robot Scheduling in Robotic Mobile Fulfillment Systems5 May 2026
- 2026Belief-Driven Multi-Agent Collaboration via Approximate Perfect Bayesian Equilibrium for Social Simulation26 Mar 2026
- 2026Multi-Agent Model-Based Reinforcement Learning with Joint State-Action Learned Embeddings13 Feb 2026
- 2026Prism: Spectral Parameter Sharing for Multi-Agent Reinforcement Learning6 Feb 2026
- 2026Explicit Credit Assignment through Local Rewards and Dependence Graphs in Multi-Agent Reinforcement Learning29 Jan 2026
- 2025Policy-Conditioned Policies for Multi-Agent Task Solving24 Dec 2025
- 2025Conditional Diffusion Model for Multi-Agent Dynamic Task Decomposition17 Nov 2025
38 more
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- 2025Enhancing Multi-Agent Collaboration with Attention-Based Actor-Critic Policies30 Jul 2025
- 2025"Teammates, Am I Clear?": Analysing Legible Behaviours in Teams29 Jul 2025
- 2025Concept Learning for Cooperative Multi-Agent Reinforcement Learning27 Jul 2025
- 2025Learning Individual Intrinsic Reward in Multi-Agent Reinforcement Learning via Incorporating Generalized Human Expertise25 Jul 2025
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- 2025Multi-Agent Guided Policy Optimization24 Jul 2025
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- 2025ROTATE: Regret-driven Open-ended Training for Ad Hoc Teamwork29 May 2025
- 2025Topology-Aware and Highly Generalizable Deep Reinforcement Learning for Efficient Retrieval in Multi-Deep Storage Systems27 May 2025
- 2025The challenge of hidden gifts in multi-agent reinforcement learning26 May 2025
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- 2025LOD: Latent Objective Discovery in Heterogeneous Multi-Agent Reinforcement Learning14 May 2025
- 2025Combining Bayesian Inference and Reinforcement Learning for Agent Decision Making: A Review12 May 2025
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- 2025Enhancing Cooperative Multi-Agent Reinforcement Learning with State Modelling and Adversarial Exploration8 May 2025
- 2025Learning Multi-Robot Coordination through Locality-Based Factorized Multi-Agent Actor-Critic Algorithm24 Mar 2025
- 2025Seldonian Reinforcement Learning for Ad Hoc Teamwork5 Mar 2025
- 2025Combining Planning and Reinforcement Learning for Solving Relational Multiagent Domains26 Feb 2025
- 2025Leveraging Large Language Models for Effective and Explainable Multi-Agent Credit Assignment24 Feb 2025
- 2025Low-Rank Agent-Specific Adaptation (LoRASA) for Multi-Agent Policy Learning8 Feb 2025
- 2025CTC: The Composite Task Challenge for Cooperative Multi-Agent Reinforcement Learning1 Feb 2025
- 2025Selective Experience Sharing in Reinforcement Learning Enhances Interference Management27 Jan 2025
- 2025Contextual Knowledge Sharing in Multi-Agent Reinforcement Learning with Decentralized Communication and Coordination26 Jan 2025
- 2025Group-Agent Reinforcement Learning with Heterogeneous Agents21 Jan 2025
- 2024HyperMARL: Adaptive Hypernetworks for Multi-Agent RL5 Dec 2024
- 2024Multi-Agent Reinforcement Learning with Selective State-Space Models25 Oct 2024
- 2024Sable: a Performant, Efficient and Scalable Sequence Model for MARL2 Oct 2024
- 2024Putting Data at the Centre of Offline Multi-Agent Reinforcement Learning18 Sep 2024
- 2024The Bandit Whisperer: Communication Learning for Restless Bandits11 Aug 2024
- 2024Environment Complexity and Nash Equilibria in a Sequential Social Dilemma4 Aug 2024
- 2024POGEMA: A Benchmark Platform for Cooperative Multi-Agent Pathfinding20 Jul 2024
50 newest of 114 All 114 (JSON)
- 2025Leveraging Large Language Models for Effective and Explainable Multi-Agent Credit Assignmentcited by 17
- 2025Integrating Counterfactual Simulations with Language Models for Explaining Multi-Agent Behaviourcited by 3
- 2026Belief-Driven Multi-Agent Collaboration via Approximate Perfect Bayesian Equilibrium for Social Simulationcited by 1
- 2025Policy-Conditioned Policies for Multi-Agent Task Solvingcited by 0
- 2026Belief-Driven Multi-Agent Collaboration via Approximate Perfect Bayesian Equilibrium for Social Simulation26 Mar 2026
- 2025Policy-Conditioned Policies for Multi-Agent Task Solving24 Dec 2025
- 2025Integrating Counterfactual Simulations with Language Models for Explaining Multi-Agent Behaviour23 May 2025
- 2025Leveraging Large Language Models for Effective and Explainable Multi-Agent Credit Assignment24 Feb 2025
- 2021Celebrating Diversity in Shared Multi-Agent Reinforcement Learningcited by 96
- 2021Scaling Multi-Agent Reinforcement Learning with Selective Parameter Sharingcited by 85
- 2023JaxMARL: Multi-Agent RL Environments and Algorithms in JAXcited by 59
- 2021Cooperative Exploration for Multi-Agent Deep Reinforcement Learningcited by 57
- 2022Towards a Standardised Performance Evaluation Protocol for Cooperative MARLcited by 48
- 2022MASER: Multi-Agent Reinforcement Learning with Subgoals Generated from Experience Replay Buffercited by 34
- 2022Revisiting Some Common Practices in Cooperative Multi-Agent Reinforcement Learningcited by 32
- 2023Multi-agent Reinforcement Learning: A Comprehensive Surveycited by 30
- 2022Scalable Multi-Agent Reinforcement Learning for Warehouse Logistics with Robotic and Human Co-Workerscited by 28
- 2023A Review of Cooperation in Multi-agent Learningcited by 27
- 2021Decoupled Reinforcement Learning to Stabilise Intrinsically-Motivated Explorationcited by 25
- 2024Bridging Evolutionary Algorithms and Reinforcement Learning: A Comprehensive Survey on Hybrid Algorithmscited by 23
12 most cited of 102 All 102 (JSON)
- 2026Learned Coordination Conventions in Cooperative MARL: Measuring the Translation Gap Between Theory-Informed Roles and Learned Routing28 Jun 2026
- 2026Contract-Based Compositional Shielding for Safe Multi-Agent Reinforcement Learning12 Jun 2026
- 2026Generalized Intention Modeling in Multi-Agent Reinforcement Learning29 May 2026
- 2026PC3D: Zero-Shot Cooperation Across Variable Rosters via Personalized Context Distillation11 May 2026
- 2026Coordination Matters: Evaluation of Cooperative Multi-Agent Reinforcement Learning7 May 2026
- 2026SOAR: Real-Time Joint Optimization of Order Allocation and Robot Scheduling in Robotic Mobile Fulfillment Systems5 May 2026
- 2026Multi-Agent Model-Based Reinforcement Learning with Joint State-Action Learned Embeddings13 Feb 2026
- 2026Prism: Spectral Parameter Sharing for Multi-Agent Reinforcement Learning6 Feb 2026
- 2026Explicit Credit Assignment through Local Rewards and Dependence Graphs in Multi-Agent Reinforcement Learning29 Jan 2026
- 2025Explaining Decentralized Multi-Agent Reinforcement Learning Policies13 Nov 2025
- 2025Multi-Agent Craftax: Benchmarking Open-Ended Multi-Agent Reinforcement Learning at the Hyperscale7 Nov 2025
- 2025High-order Interactions Modeling for Interpretable Multi-Agent Q-Learning23 Oct 2025
12 newest of 102 All 102 (JSON)