Analysis Of Time Delay Model For Drug Therapy On Hiv Dynamics
COMPUTATIONAL METHODS FOR DIFFERENTIAL EQUATIONS(2021)
Abstract
We present and investigate the delayed model of HIV infection for drug therapy. The stability of the equilibrium states, disease free and infected equilibrium states are derived and the existence of Hopf bifurcation analysis is studied. We show that the system is asymptotically stable and the stability is lost in a range due to length of the delay, then Hopf bifurcation occurs when tau exceeds the critical value. At last numerical simulations are provided to verify the theoretical results.
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Key words
HIV infection, Stability, Hopf bifurcation, Time delay
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