Publications by Mathieu Reymond

Activity

• Postdocs: Feb 2024 - Jan 2026

Preprints

• CoPeP: Benchmarking Continual Pretraining for Protein Language Models
  Darshan Patil, Pranshu Malviya, Mathieu Reymond, Quentin Fournier, and Sarath Chandar
  In ArXiv, 2026.
  #NLP
  [arXiv]

• Just-in-time Episodic Feedback Hinter: Leveraging Offline Knowledge to Improve LLM Agents Adaptation
  Hadi Nekoei, Aman Jaiswal, Patrice Bechard, Oleh Shliazhko, Orlando Marquez Ayala, Mathieu Reymond, Massimo Caccia, Alexandre Drouin, Sarath Chandar, and Alexandre Lacoste
  In ArXiv, 2025.
  #NLP, #RL
  [arXiv]

• GRPO-λ: Credit Assignment improves LLM Reasoning
  Prasanna Parthasarathi*, Mathieu Reymond*, Boxing Chen, Yufei Cui, and Sarath Chandar
  In ArXiv, 2025.
  #NLP, #RL
  [arXiv]

• CrystalGym: A New Benchmark for Materials Discovery Using Reinforcement Learning
  Prashant Govindarajan, Mathieu Reymond, Antoine Clavaud, Mariano Phielipp, Santiago Miret, and Sarath Chandar
  In ArXiv, 2025.
  #RL, #Other
  [arXiv], [code]

Conference and Journal Papers

2026

2. Squeezing More from the Stream: Learning Representation Online for Streaming Reinforcement Learning
   Nilaksh*, Antoine Clavaud*, Mathieu Reymond, François Rivest, and Sarath Chandar
   International Conference on Machine Learning (ICML), 2026.
   #RL, #DL
   [arXiv], [code]

2025

1. A Generalist Hanabi Agent
   Arjun Vaithilingam Sudhakar*, Hadi Nekoei*, Mathieu Reymond, Miao Liu, Janarthanan Rajendran, and Sarath Chandar
   International Conference on Learning Representations (ICLR), 2025.
   #RL
   [website], [openreview], [arXiv], [code]