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arxiv: 1002.1788 · v1 · submitted 2010-02-09 · 🧮 math.AP

Bifurcation of Positive Equilibria in Nonlinear Structured Population Models with Varying Mortality Rates

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keywords bifurcationmortalitynonlinearpopulationpositiveage-structuredapproachdiffusion
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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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