activity
20222024
most citedDiscovered Policy Optimisation

16 citations · 25 across the 10 of their papers we have counts for

collaborators

11 papers

cs.LG2024

NAVIX: Scaling MiniGrid Environments with JAX

Eduardo Pignatelli, Jarek Liesen, Robert Tjarko Lange +3

As Deep Reinforcement Learning (Deep RL) research moves towards solving large-scale worlds, efficient environment simulations become crucial for rapid experimentation. However, mos…

cs.LG2024

Can Learned Optimization Make Reinforcement Learning Less Difficult?

Alexander David Goldie, Chris Lu, Matthew Thomas Jackson +2

While reinforcement learning (RL) holds great potential for decision making in the real world, it suffers from a number of unique difficulties which often need specific considerati…

cs.LG2024

Behaviour Distillation

Andrei Lupu, Chris Lu, Jarek Liesen +2

Dataset distillation aims to condense large datasets into a small number of synthetic examples that can be used as drop-in replacements when training new models. It has application…

cs.LG2024

Discovering Minimal Reinforcement Learning Environments

Jarek Liesen, Chris Lu, Andrei Lupu +3

Reinforcement learning (RL) agents are commonly trained and evaluated in the same environment. In contrast, humans often train in a specialized environment before being evaluated,…

cs.NE2024

EvIL: Evolution Strategies for Generalisable Imitation Learning

Silvia Sapora, Gokul Swamy, Chris Lu +2

Often times in imitation learning (IL), the environment we collect expert demonstrations in and the environment we want to deploy our learned policy in aren't exactly the same (e.g…

cs.LG2024★ 2 cited

Discovering Preference Optimization Algorithms with and for Large Language Models

Chris Lu, Samuel Holt, Claudio Fanconi +4

Offline preference optimization is a key method for enhancing and controlling the quality of Large Language Model (LLM) outputs. Typically, preference optimization is approached as…

cs.LG2024

Discovering Temporally-Aware Reinforcement Learning Algorithms

Matthew Thomas Jackson, Chris Lu, Louis Kirsch +3

Recent advancements in meta-learning have enabled the automatic discovery of novel reinforcement learning algorithms parameterized by surrogate objective functions. To improve upon…

cs.LG2023★ 2 cited

JaxMARL: Multi-Agent RL Environments and Algorithms in JAX

Alexander Rutherford, Benjamin Ellis, Matteo Gallici +18

Benchmarks are crucial in the development of machine learning algorithms, with available environments significantly influencing reinforcement learning (RL) research. Traditionally,…

cs.LG2023★ 3 cited

Discovering General Reinforcement Learning Algorithms with Adversarial Environment Design

Matthew Thomas Jackson, Minqi Jiang, Jack Parker-Holder +5

The past decade has seen vast progress in deep reinforcement learning (RL) on the back of algorithms manually designed by human researchers. Recently, it has been shown that it is…

cs.LG2022★ 16 cited

Discovered Policy Optimisation

Chris Lu, Jakub Grudzien Kuba, Alistair Letcher +3

Tremendous progress has been made in reinforcement learning (RL) over the past decade. Most of these advancements came through the continual development of new algorithms, which we…

cs.AI2022★ 2 cited

Model-Free Opponent Shaping

Chris Lu, Timon Willi, Christian Schroeder de Witt +1

In general-sum games, the interaction of self-interested learning agents commonly leads to collectively worst-case outcomes, such as defect-defect in the iterated prisoner's dilemm…