具有变死亡率的非线性结构人口模型正平衡点的分支
Bifurcation of Positive Equilibria in Nonlinear Structured Population Models with Varying Mortality Rates
摘要：
研究了一类具有年龄结构的非线性扩散的参数依赖模型。该参数测量死亡率的强度。分支方法被用来建立正平衡解的存在性。
英文摘要：
A parameter-dependent model involving nonlinear diffusion for an age-structured population is studied. The parameter measures the intensity of the mortality. A bifurcation approach is used to establish existence of positive equilibrium solutions.
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