Waris Radji — accepted AI-conference papers

2026

Adaptive Quasimetric Mapping : Principled Topological Abstraction for Robust Offline Goal-Conditioned Navigation

Anthony Kobanda, Waris Radji, Odalric-Ambrym Maillard, Rémy Portelas

ICML 2026poster

Goal-Conditioned Reinforcement Learning aims to design agents that can reach specified goals, notably from previously collected trajectories in the offline setting. In this context, graph-based approaches have been proposed to mitigate compounding value-estimation errors in long-horizon navigation t…

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2026

Octax: Accelerated CHIP-8 Arcade Environments for Reinforcement Learning in JAX

Waris Radji, Thomas Michel, Hector Piteau

ICLR 2026poster

Reinforcement learning (RL) research requires diverse, challenging environments that are both tractable and scalable. While modern video games may offer rich dynamics, they are computationally expensive and poorly suited for large-scale experimentation due to their CPU-bound execution. We introduc…

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