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The bifurcation solution of the nonnegative steady-state of a reaction-diffusion system was investigated.The combination of the sturm-type eigenvalue and the theorem of bifurcation was used to study the local coexis-tence solutions, and obtain the stability of bifurcation solutions. The system model describes predator-prey inter-action in an unstirred chemostat. 相似文献
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Inthispaperweshallfocusonthenonnegativesteady statesolutionstothefollowingellipticsystem :ΔS -uf1(S) =0 ,x∈ΩΔu +uf1(S) -vf2 (u) =0 ,x∈ΩΔv +vf2 (u) =0 ,x∈Ω,(1)withboundaryconditions S/ n +r(x)S =S0 (x) ,x∈ Ω , u/ n +r(x)u =0 ,x∈ Ω , v/ n +r(x)v =0 ,x∈ Ω ,whereΩ RN(N≥ 1)isaboundeddomainwithsmoothboundary Ω ,f1(s) =as/ (a1+s) ,f2 (s) =bs/ (a2 +s) ,a >0 ,b >0arethemaximalgrowthratesanda1,a2 >0aretheMichaelis Mentencon stants,r(x) ,S0 (x)arecontinuouson Ωandr(x) ,S0 … 相似文献
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