GUO Gaihui, LI Bingfang. The Global Bifurcation for a Predator-Prey Model with Nonlinear Diffusion[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2012,51(2):49-53.
GUO Gaihui, LI Bingfang. The Global Bifurcation for a Predator-Prey Model with Nonlinear Diffusion[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2012,51(2):49-53.DOI:
A nonlinear diffusive predator-prey model is studied under Dirichlet boundary conditions. Some a priori estimates are firstly derived. Then by investigating the corresponding eigenvalue problem and taking the growth rate of prey as a parameter
local bifurcation positive solutions emanating from the semitrivial solutions are obtained. Finally
by use of global bifurcation theory
two sufficient conditions for the existence of positive solutions are established.