Portrait de Yann Pernot

Yann Pernot

yann.pernot@mila.quebec
Maîtrise recherche - Polytechnique
Superviseur⋅e principal⋅e
Sarath Chandar
Sujets de recherche
Apprentissage par renforcement
Biologie computationnelle
IA pour la science
Modèles de fondation

Publications

Drowning in Routine: Signal Dilution in Multi-Turn Agent Training
Yann Pernot
Vi Retault
Multi-turn agents interleave consequential decisions with routine execution: some actions change the downstream return distribution, while o… (voir plus)thers are necessary but reward-equivalent. The cost of trajectory-level credit assignment, often attributed to long horizons, is in fact governed by decision density
2026-06-19
arXiv (prépublication)
doi.org
arxiv.org