Search Results for author: Rafael Pina

Found 7 papers, 2 papers with code

Fully Independent Communication in Multi-Agent Reinforcement Learning

1 code implementation26 Jan 2024 Rafael Pina, Varuna De Silva, Corentin Artaud, Xiaolan Liu

Multi-Agent Reinforcement Learning (MARL) comprises a broad area of research within the field of multi-agent systems.

Multi-agent Reinforcement Learning reinforcement-learning

Staged Reinforcement Learning for Complex Tasks through Decomposed Environments

no code implementations5 Nov 2023 Rafael Pina, Corentin Artaud, Xiaolan Liu, Varuna De Silva

Although still in simulation, the investigated situations are conceptually closer to real scenarios and thus, with these results, we intend to motivate further research in the subject.

reinforcement-learning Reinforcement Learning (RL)

Learning Independently from Causality in Multi-Agent Environments

no code implementations5 Nov 2023 Rafael Pina, Varuna De Silva, Corentin Artaud

Multi-Agent Reinforcement Learning (MARL) comprises an area of growing interest in the field of machine learning.

Multi-agent Reinforcement Learning Relation

Discovering Causality for Efficient Cooperation in Multi-Agent Environments

1 code implementation20 Jun 2023 Rafael Pina, Varuna De Silva, Corentin Artaud

In this paper, we investigate the applications of causality in MARL and how it can be applied in MARL to penalise these lazy agents.

Causal Discovery Multi-agent Reinforcement Learning

Embedding Contextual Information through Reward Shaping in Multi-Agent Learning: A Case Study from Google Football

no code implementations25 Mar 2023 Chaoyi Gu, Varuna De Silva, Corentin Artaud, Rafael Pina

The experiment results in the GRF environment prove that our reward shaping method is a useful addition to state-of-the-art MARL algorithms for training agents in environments with sparse reward signal.

Imitation Learning Multi-agent Reinforcement Learning

Causality Detection for Efficient Multi-Agent Reinforcement Learning

no code implementations24 Mar 2023 Rafael Pina, Varuna De Silva, Corentin Artaud

When learning a task as a team, some agents in Multi-Agent Reinforcement Learning (MARL) may fail to understand their true impact in the performance of the team.

Multi-agent Reinforcement Learning reinforcement-learning

Residual Q-Networks for Value Function Factorizing in Multi-Agent Reinforcement Learning

no code implementations30 May 2022 Rafael Pina, Varuna De Silva, Joosep Hook, Ahmet Kondoz

The performance of the proposed method is compared against several state-of-the-art techniques such as QPLEX, QMIX, QTRAN and VDN, in a range of multi-agent cooperative tasks.

Multi-agent Reinforcement Learning reinforcement-learning +1

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