Double Hopf Bifurcation with Strong Resonances in Delayed Systems with Nonlinerities

Figure 1

Critical surfaces of (3.1) for 1∶2 strong resonance in the neighborhood of (𝐴_𝑐,𝛼_𝑐,𝜏_𝑐), where 𝛽₁=0.1, 𝛾=0.1, and 𝛽₂=0.