Browsing by Subject "harvesting terms"
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Item type:Article, Access status: Open Access , Four positive periodic solutions of a discrete time Lotka-Volterra competitive system with harvesting terms(2011) Liu, Xinggui; Ren, Yaping; Li, YongkunIn this paper, by using Mawhin's continuation theorem of coincidence degree theory, we establish the existence of at least four positive periodic solutions for a discrete time Lotka-Volterra competitive system with harvesting terms. An example is given to illustrate the effectiveness of our results.