activity
20232025
most citedA Survey of Temporal Credit Assignment in Deep Reinforcement Learning

1 citations · 1 across the 6 of their papers we have counts for

collaborators

7 papers

cs.LG2025

Reinforcement Learning Using known Invariances

Alexandru Cioba, Aya Kayal, Laura Toni +2

In many real-world reinforcement learning (RL) problems, the environment exhibits inherent symmetries that can be exploited to improve learning efficiency. This paper develops a th…

cs.LG2025

Bayesian Optimization from Human Feedback: Near-Optimal Regret Bounds

Aya Kayal, Sattar Vakili, Laura Toni +2

Bayesian optimization (BO) with preference-based feedback has recently garnered significant attention due to its emerging applications. We refer to this problem as Bayesian Optimiz…

cs.LG2025

Near-Optimal Sample Complexity in Reward-Free Kernel-Based Reinforcement Learning

Aya Kayal, Sattar Vakili, Laura Toni +1

Reinforcement Learning (RL) problems are being considered under increasingly more complex structures. While tabular and linear models have been thoroughly explored, the analytical…

cs.AI2025

The impact of intrinsic rewards on exploration in Reinforcement Learning

Aya Kayal, Eduardo Pignatelli, Laura Toni

One of the open challenges in Reinforcement Learning is the hard exploration problem in sparse reward environments. Various types of intrinsic rewards have been proposed to address…

cs.LG2024

Assessing the Zero-Shot Capabilities of LLMs for Action Evaluation in RL

Eduardo Pignatelli, Johan Ferret, Tim Rockäschel +4

The temporal credit assignment problem is a central challenge in Reinforcement Learning (RL), concerned with attributing the appropriate influence to each actions in a trajectory f…

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.LG2023★ 1 cited

A Survey of Temporal Credit Assignment in Deep Reinforcement Learning

Eduardo Pignatelli, Johan Ferret, Matthieu Geist +4

The Credit Assignment Problem (CAP) refers to the longstanding challenge of Reinforcement Learning (RL) agents to associate actions with their long-term consequences. Solving the C…