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math.PR2025
Evolution of a trait distributed over a large fragmented population: Propagation of chaos meets adaptive dynamics
Amaury Lambert, Hélène Leman, Hélène Morlon +1
We consider a metapopulation made up of demes, each containing individuals bearing a heritable quantitative trait. Demes are connected by migration and undergo independent…
math.PR2019
Extinction time of logistic branching processes in a Brownian environment
Hélène Leman, Juan Carlos Pardo
In this paper, we study the extinction time of logistic branching processes which are perturbed by an independent random environment driven by a Brownian motion. Our arguments use…