运用谱分析和分歧理论的方法,在齐次Dirichlet边界条件下,对具有饱和项的互惠系统的非负定态解的分歧及其稳定性进行研究.一方面,分别以生长率作为分歧参数,讨论了发自半平凡解的分歧;另一方面,以两物种的生长率作为分歧参数,利用Liapunov—Schmidt过程,研究了在二重特征值处的分歧;同时判定了这些分歧解的稳定性.
In this paper, the bifurcation of nonnegative stationary solutions and the stability of a cooperative system with saturation are discussed by spectral analysis and methods of bifurcation theory. First ,when the growth rates are treated as corresponding bifurcation parameters, the bifurcation from semitrivial solutions is considered. Next, under the same conditions the bifurcation from a double eigenvalue is investigated by Liapunov-Schmidt procedure. Moreover,the stability of these solutions is determined.