Bifurcation and chaos in a Monod–Haldene type food chain chemostat with pulsed input and washout

Fengyan Wang, Chunping Hao and Lansun Chen

Chaos, Solitons & Fractals, 2007, vol. 32, issue 1, 181-194

Abstract: In this paper, we introduce and study a model of a Monod–Haldene type food chain chemostat with pulsed input and washout. We investigate the subsystem with substrate and prey and study the stability of the periodic solutions, which are the boundary periodic solutions of the system. The stability analysis of the boundary periodic solution yields an invasion threshold. By use of standard techniques of bifurcation theory, we prove that above this threshold there are periodic oscillations in substrate, prey and predator. Simple cycles may give way to chaos in a cascade of period-doubling bifurcations. Furthermore, by comparing bifurcation diagrams with different bifurcation parameters, we can see that the impulsive system shows two kinds of bifurcations, whose are period-doubling and period-halving.

Date: 2007
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:32:y:2007:i:1:p:181-194

DOI: 10.1016/j.chaos.2005.10.083

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