Title: On a nonlinear age-structured model of semelparous species
Abstract:We study a nonlinear age-structured model of a population such that individuals may give birth only at a given age.Properties of measure-valued periodic solutions of this system are investigated.We sh...We study a nonlinear age-structured model of a population such that individuals may give birth only at a given age.Properties of measure-valued periodic solutions of this system are investigated.We show that in some cases the age profile of the population tends to a Dirac measure, which means thatthe population asymptotically consists of individuals at the same age. This phenomenon is observed in naturein some insects populations.Read More