Journal
JOURNAL OF APPLIED MATHEMATICS AND COMPUTING
Volume 33, Issue 1-2, Pages 305-325Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s12190-009-0288-8
Keywords
Eco-epidemiological system; Asymptotical stability; Hopf bifurcation; Distributed delay
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Funding
- National Natural Science Foundation of China [10771179]
- Henan Innovation Project for University Prominent Research Talents [2005KYCX017]
- Scientific Research Foundation
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In this paper, the dynamical behavior of an eco-epidemiological model with discrete and distributed delay is studied. Sufficient conditions for the local as-ymptotical stability of the nonnegative equilibria are obtained. We prove that there exists a threshold value of the feedback time delay tau beyond which the positive equilibrium bifurcates towards a periodic solution. Using the normal form theory and center manifold argument, the explicit formulae which determine the stability, the direction and the periodic of bifurcating period solutions are derived. Numerical sim-ulations are carried out to explain the mathematical conclusions.
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