3 papers
stat.AP2026
Beyond Zipf's Law: Equifinality and Mechanistic Inference from Scaling Laws
Arthur Charpentier
Scaling laws summarize complex systems through low-dimensional regularities, but the same marginal law can arise from different stochastic dynamics. We examine this ambiguity for Z…
stat.AP2026
From Rating Factors to Crash Mechanisms: A Multiscale Causal DAG Framework Linking Motor Insurance and Road Safety
Arthur Charpentier
Road safety mechanisms operate within seconds, minutes and trips, whereas motor insurance observes liability claims aggregated over policy years. An annual rating coefficient can t…
q-bio.PE2024
Optimal Vaccination Policy to Prevent Endemicity: A Stochastic Model
Félix Foutel-Rodier, Arthur Charpentier, Hélène Guérin
We examine here the effects of recurrent vaccination and waning immunity on the establishment of an endemic equilibrium in a population. An individual-based model that incorporates…