Search Results for author: Ryan Kortvelesy

Found 9 papers, 8 papers with code

Revisiting Recurrent Reinforcement Learning with Memory Monoids

1 code implementation15 Feb 2024 Steven Morad, Chris Lu, Ryan Kortvelesy, Stephan Liwicki, Jakob Foerster, Amanda Prorok

Memory models such as Recurrent Neural Networks (RNNs) and Transformers address Partially Observable Markov Decision Processes (POMDPs) by mapping trajectories to latent Markov states.

reinforcement-learning

Fixed Integral Neural Networks

1 code implementation26 Jul 2023 Ryan Kortvelesy

In this work, we present a method for representing the analytical integral of a learned function $f$.

Permutation-Invariant Set Autoencoders with Fixed-Size Embeddings for Multi-Agent Learning

2 code implementations24 Feb 2023 Ryan Kortvelesy, Steven Morad, Amanda Prorok

The problem of permutation-invariant learning over set representations is particularly relevant in the field of multi-agent systems -- a few potential applications include unsupervised training of aggregation functions in graph neural networks (GNNs), neural cellular automata on graphs, and prediction of scenes with multiple objects.

QGNN: Value Function Factorisation with Graph Neural Networks

1 code implementation25 May 2022 Ryan Kortvelesy, Amanda Prorok

In multi-agent reinforcement learning, the use of a global objective is a powerful tool for incentivising cooperation.

Multi-agent Reinforcement Learning Starcraft

The Holy Grail of Multi-Robot Planning: Learning to Generate Online-Scalable Solutions from Offline-Optimal Experts

no code implementations26 Jul 2021 Amanda Prorok, Jan Blumenkamp, QingBiao Li, Ryan Kortvelesy, Zhe Liu, Ethan Stump

Many multi-robot planning problems are burdened by the curse of dimensionality, which compounds the difficulty of applying solutions to large-scale problem instances.

Graph Convolutional Memory using Topological Priors

1 code implementation27 Jun 2021 Steven D. Morad, Stephan Liwicki, Ryan Kortvelesy, Roberto Mecca, Amanda Prorok

Solving partially-observable Markov decision processes (POMDPs) is critical when applying reinforcement learning to real-world problems, where agents have an incomplete view of the world.

Memorization reinforcement-learning +1

ModGNN: Expert Policy Approximation in Multi-Agent Systems with a Modular Graph Neural Network Architecture

1 code implementation24 Mar 2021 Ryan Kortvelesy, Amanda Prorok

Recent work in the multi-agent domain has shown the promise of Graph Neural Networks (GNNs) to learn complex coordination strategies.

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