Figure 4From: Hybrid control of Hopf bifurcation in a Lotka-Volterra predator-prey model with two delays Behavior and phase portrait of a controlled system ( 1.3 ) with \(\pmb{\tau_{1} = 0.8 > \tau_{1}^{0}}\) , \(\pmb{\tau_{2} = 3.0}\) , the Hopf bifurcation disappears. Back to article page