2 papers
math.PR2026
Stochastic epidemic models with pulse vaccination, varying infectivity and waning immunity
Arsene Brice Zotsa Ngoufack
We introduce a fully stochastic, non-Markovian SIRS-type epidemic model that incorporates varying infectivity, waning immunity and a pulse vaccination strategy that may not confer…
math.PR2026
Insurance risk models in a heterogeneous time-dependent population: scaling limits and ruin probabilities
Hélène Guérin, Michel Mandjes, Jean-François Renaud +1
Epidemic dynamics introduce time-varying heterogeneity into insured populations, as individuals' risk profiles depend on their evolving health status, thereby challenging classical…