This paper, beginning with the general age-dependentpopulation dynamics, discusses the well-pose of stationary solution.
本文从最一般的人口动力系统出发,讨论其稳态解的适定性。
2
The influence of the stochastic external environment upon the population dynamics system have never been considered in ordinary age-dependent system models.
对人口系统的讨论,通常的数学模型没有考虑外界环境对系统的影响。
3
The optimal harvesting problem for a semi-linear age-dependent time-varying population system is discussed.