activity
20202026
most citedPettingZoo: Gym for Multi-Agent Reinforcement Learning

147 citations · 150 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2026

Sparse Masked Attention Policies for Reliable Generalization

Caroline Horsch, Laurens Engwegen, Max Weltevrede +2

In reinforcement learning, abstraction methods that remove unnecessary information from the observation are commonly used to learn policies which generalize better to unseen tasks.…

cs.LG2025

Universal Value-Function Uncertainties

Moritz A. Zanger, Max Weltevrede, Yaniv Oren +4

Estimating epistemic uncertainty in value functions is a crucial challenge for many aspects of reinforcement learning (RL), including efficient exploration, safe decision-making, a…

cs.AI2025

Shared Modular Recurrence in Contextual MDPs for Universal Morphology Control

Laurens Engwegen, Max Weltevrede, Caroline Horsch +2

A universal controller for any robot morphology would greatly improve computational and data efficiency. Steps have been made towards such multi-robot control by utilizing contextu…

cs.LG2024

Training on Irrelevant States Implies Data Augmentation: Generalization in Contextual MDPs

Max Weltevrede, Caroline Horsch, Matthijs T. J. Spaan +1

In the zero-shot policy transfer (ZSPT) setting for contextual Markov decision processes (CMDP), agents train on a fixed, finite set of contexts and must generalize to new ones. Re…

cs.LG2020★ 147 cited

PettingZoo: Gym for Multi-Agent Reinforcement Learning

J. K. Terry, Benjamin Black, Nathaniel Grammel +10

This paper introduces the PettingZoo library and the accompanying Agent Environment Cycle ("AEC") games model. PettingZoo is a library of diverse sets of multi-agent environments w…

cs.LG2020★ 3 cited

Agent Environment Cycle Games

J K Terry, Nathaniel Grammel, Benjamin Black +3

Partially Observable Stochastic Games (POSGs) are the most general and common model of games used in Multi-Agent Reinforcement Learning (MARL). We argue that the POSG model is conc…