activity
20232025
collaborators

5 papers

cs.AI2025

Boosting Accuracy and Efficiency of Budget Forcing in LLMs via Reinforcement Learning for Mathematical Reasoning

Ravindra Aribowo Tarunokusumo, Rafael Fernandes Cunha

Test-time scaling methods have seen a rapid increase in popularity for its computational efficiency and parameter-independent training to improve reasoning performance on Large Lan…

cs.LG2025

Sparsity-Driven Plasticity in Multi-Task Reinforcement Learning

Aleksandar Todorov, Juan Cardenas-Cartagena, Rafael F. Cunha +2

Plasticity loss, a diminishing capacity to adapt as training progresses, is a critical challenge in deep reinforcement learning. We examine this issue in multi-task reinforcement l…

cs.LG2025

World Model Agents with Change-Based Intrinsic Motivation

Jeremias Ferrao, Rafael Cunha

Sparse reward environments pose a significant challenge for reinforcement learning due to the scarcity of feedback. Intrinsic motivation and transfer learning have emerged as promi…

cs.LG2024

Optimally Solving Simultaneous-Move Dec-POMDPs: The Sequential Central Planning Approach

Johan Peralez, Aurèlien Delage, Jacopo Castellini +2

The centralized training for decentralized execution paradigm emerged as the state-of-the-art approach to -optimally solving decentralized partially observable Markov decision p…

cs.MA2023

On Convex Optimal Value Functions For POSGs

Rafael F. Cunha, Jacopo Castellini, Johan Peralez +1

Multi-agent planning and reinforcement learning can be challenging when agents cannot see the state of the world or communicate with each other due to communication costs, latency,…