Existence of Positive Periodic Solutions for Two Species Population Growth Model

来源 :北京理工大学学报：英文版 | 被引量 : 0次 | 上传用户：godwin_z

【摘要】

：

Existence and nonexistence criteria are established for the positive periodic solutions of two species population growth with periodic delay by applying continu

【作者】

：

任景莉葛渭高

【机构】

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DepartmentofMathematics,DepartmentofMathematics

【出处】

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北京理工大学学报：英文版

【发表日期】

：

2003年1期

【关键词】

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正周期解存在性种群增长模型弗雷德霍姆算子重合度 positive periodic solution Fredholm operator degre

【基金项目】

：

国家自然科学基金，the Fund for Research on Doctoral Programs in Institutions of Higher Learning

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论文部分内容阅读

Existence and nonexistence criteria are established for the positive periodic solutions of two species population growth with periodic delay by applying continuation theorem of coincidence degree theory.

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Existence of Positive Periodic Solutions for Two Species Population Growth Model

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