Abstract
In this paper, Hopf bifurcation is studied for a modified Leslie--Gower predator--prey system with harvesting. Our modified system is a biological economic cognitive system. An important feature of the biological economic cognitive system is that the harvest effort on the predator--prey system is investigated from an economic perspective. By using the local parameterization method and Hopf bifurcation theory, we obtain some new criteria for the Hopf bifurcation. Lastly, a numerical example is provided to demonstrate the effectiveness of our results.



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Acknowledgments
The authors are greatly indebted to the anonymous reviewers and the editor for their insightful comments. The work is supported by Key Science Foundation of Educational Department of Hubei Province under Grant D20082201.
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Liu, W., Fu, C. Hopf Bifurcation of a Modified Leslie--Gower Predator--Prey System. Cogn Comput 5, 40–47 (2013). https://doi.org/10.1007/s12559-012-9162-3
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DOI: https://doi.org/10.1007/s12559-012-9162-3