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On the existence of solution of a four-stage and age-structured population dynamics model
Journal of Mathematical Analysis and Applications ( IF 1.3 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.jmaa.2020.124699
Amidou Traore , Bedr'Eddine Ainseba , Oumar Traore

Abstract We consider a linear system coming from a population dynamics model with age structuring and nonlocal boundary conditions. Our population dynamics model is a four-stage model with a second derivative with respect to the age variable. Using Banach fixed point theorem, we show the existence and unicity of a non negative solution and illustrations of numerical simulations are given.

中文翻译:

关于四阶段年龄结构人口动态模型解的存在性

摘要 我们考虑来自具有年龄结构和非局部边界条件的人口动态模型的线性系统。我们的人口动态模型是一个四阶段模型,具有关于年龄变量的二阶导数。使用巴拿赫不动点定理,我们证明了非负解的存在性和唯一性,并给出了数值模拟的说明。
更新日期:2021-03-01
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