Global Bifurcation of a Novel Computer Virus Propagation Model

Global Bifurcation of a Novel Computer Virus Propagation Model

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In a recent paper by J.Ren et al.(2012), a novel computer virus propagation model under the effect of the antivirus ability in a real network is established.

The analysis there only partially uncovers the dynamics behaviors of virus spread over the network in the case where around bifurcation is biophene spray disinfectant local.In the present paper, by mathematical analysis, it is further shown that, under appropriate parameter values, the model may undergo a global B-T bifurcation, and the curves of saddle-node bifurcation, Hopf bifurcation, and homoclinic bifurcation are obtained to illustrate the qualitative behaviors of virus propagation.On this besk liquor basis, a collection of policies is recommended to prohibit the virus prevalence.

To our knowledge, this is the first time the global bifurcation has been explored for the computer virus propagation.Theoretical results and corresponding suggestions may help us suppress or eliminate virus propagation in the network.