Showing math.APShow all
2 papers · 1 filter
math.AP2025
Reaction-diffusion model for a population structured in phenotype and space I -- Criterion for persistence
Nathanaël Boutillon, Luca Rossi
We consider a reaction-diffusion model for a population structured in phenotype. We assume that the population lives in a heterogeneous periodic environment, so that a given phenot…
math.AP2025
Generalized principal eigenvalues for parabolic operators in bounded domains
Henri Berestycki, Grégoire Nadin, Luca Rossi
We introduce here new generalized principal eigenvalues for linear parabolic operators with heterogeneous coefficients in space and time. We consider a bounded spatial domain and a…