一类非线性扩散系统非平凡非负周期解的存在性
일류비선성확산계통비평범비부주기해적존재성
Existence of Non-trivial Nonnegative Periodic Solutions for a Nonlinear Diffusion System
  • 万方数据
    东北数学（英文版） 동북수학（영문판）
    NORTHEASTERN MATHEMATICAL JOURNAL
    2007年 2期 167-175 ,共9页

    孙杰宝%金春花%柯媛元

    손걸보%금춘화%가원원



    periodic solution%nonlinear diffusion system%upper and lower solution


    In this paper, by the method of upper and lower solutions, we establish the existence of the non-trivial nonnegative periodic solutions for a class of degenerate diffusion system arising from dynamics of biological groups.
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