MULTIPLE PERIODIC SOLUTIONS OF A DISCRETE TIME PREDATOR-PREY SYSTEMS WITH TYPE IV FUNCTIONAL RESPONSES

被引:0
|
作者
Liu, Zhigang [1 ]
Chen, Anping [1 ]
Cao, Jinde [2 ]
Chen, Fengde [3 ]
机构
[1] Xiangnan Univ, Dept Math, Chenzhou 423000, Hunan, Peoples R China
[2] Southeast Univ, Dept Math, Nanjing 210096, Jiangsu, Peoples R China
[3] Fuzhou Univ, Dept Math, Fuzhou 350002, Fujian, Peoples R China
基金
中国国家自然科学基金;
关键词
Periodic solution; delayed predator-prey; coincidence degree; type IV functional response; non-autonomous difference equation;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
By using the continuation theorem of Mawhin's coincidence degree theory, some sufficient conditions are obtained ensuring the existence of multiple positive periodic solutions of a discrete time predator-prey systems with type IV functional responses.
引用
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页数:11
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