FOUR POSITIVE ALMOST PERIODIC SOLUTIONS TO AN IMPULSIVE NON-AUTONOMOUS LOTKA-VOLTERRA PREDATOR-PREY SYSTEM WITH HARVESTING TERMS

被引:0
作者
Zhang, Chunhua [1 ]
Zhang, Yuying [1 ]
Chen, Xiaoxing [1 ]
机构
[1] Fuzhou Univ, Coll Math & Comp, Fuzhou 350002, Fujian, Peoples R China
基金
中国国家自然科学基金;
关键词
Four positive almost periodic solutions; Lotka-Volterra predator-prey system; Coincidence degree; Harvesting term;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, by using Mawhins continuation theorem of coincidence degree theory and some analytical approaches, we establish the existence of four positive almost periodic solutions for an impulsive non-autonomous two species almost periodic Lotka-Volterra predator-prey system with time delay and harvesting terms. Furthermore, our results improve the main results of paper [1]. An example is given to illustrate the effectiveness of our results.
引用
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页数:19
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