STABILITY ANALYSIS OF A COMPUTER VIRUS PROPAGATION MODEL WITH ANTIDOTE IN VULNERABLE SYSTEM

doi:10.1016/S0252-9602(15)30077-1

Abstract

Abstract:

We study a proposed model describing the propagation of computer virus in the network with antidote in vulnerable system. Mathematical analysis shows that dynamics of the spread of computer viruses is determined by the threshold R₀. If R₀≤1, the virus-free equilibrium is globally asymptotically stable, and if R₀>1, the endemic equilibrium is globally asymptotically stable. Lyapunov functional method as well as geometric approach are used for proving the global stability of equilibria. A numerical investigation is carried out to confirm the analytical results. Through parameter analysis, some effective strategies for eliminating viruses are suggested.

Key words: computer virus, virus-free equilibrium, endemic equilibrium, global stability, antidote

CLC Number:

93C15

Nguyen Huu KHANH. STABILITY ANALYSIS OF A COMPUTER VIRUS PROPAGATION MODEL WITH ANTIDOTE IN VULNERABLE SYSTEM[J].Acta mathematica scientia,Series B, 2016, 36(1): 49-61.

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