Hopf Bifurcation of an Improved SLBS Model under the Influence of Latent Period

Chunming Zhang, Wanping Liu, Jing Xiao and Yun Zhao

Mathematical Problems in Engineering, 2013, vol. 2013, 1-10

Abstract:

A model applicable to describe the propagation of computer virus is developed and studied, along with the latent time incorporated. We regard time delay as a bifurcating parameter to study the dynamical behaviors including local asymptotical stability and local Hopf bifurcation. By analyzing the associated characteristic equation, Hopf bifurcation occurs when the time delay passes through a sequence of critical values. A formula for determining the direction of the Hopf bifurcation and the stability of bifurcating periodic solutions is given by using the normal form method and center manifold theorem. Finally, illustrative examples are given to support the theoretical results.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:196214

DOI: 10.1155/2013/196214

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