...拓扑度理论,周期解,持续生存,复杂性. [gap=4171]ds】 Impulsive differential equation; Nonautonomous population dynamical system; Theory of topological degree; Periodic solution; Permanence; Complexity;..
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According to the extensive theory of topological degree for set-valued mapping, the authors derive the topological degree for upper semicontinuous set-valued 1-set-contractive mapping.
由集值映射的拓扑度延拓理论,推导出了上半连续集值1 -集压缩映射的拓扑度。
The results concerning the existence, the uniqueness and the stability of stationary bifurcation solutions have been obtained by the bifurcation theory and topological degree theory.
应用分歧理论及拓扑度理论的方法,得到了定态分歧解的存在性、唯一性及稳定性。
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