@inproceedings{Liu2012FourPP, title={Four Positive Periodic Solutions of a Discrete Time Lotka-volterra Competitive System with Harvesting Terms}, author={Xinggui Liu and Yaping Ren and Yongkun Li}, year={2012} }

- Published 2012

In 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.

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