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User bonneuil
title Non‐linear structured population dynamics with co‐variates
Authors Jean‐Pierre Aubin, Noël Bonneuil, Franck Maurin
Source Mathematical Population Studies
Year 2000
Type Journal
Type of publication Other

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Abstract Co-variates are incorporated into a general model of non-linear structured population
dynamics. The proof of the existence and uniqueness of the solutions results from those
of a special set, the invariance envelope. It is also valid in presence of state constraints,
and solutions need only to have a closed graph (instead of being weakly differentiable as
requested in semi-group theory). Moreover, this invariance envelope provides a simple
way to build the solutions, either explicitly in the linear exogenous case, or algorithmically
in the non-linear case, both with co-variates. The case of age-structured
systems and a model of demographic transition are discussed for illustration.
Created Tuesday 11 December, 2012 11:24:04


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