Figure 9From: Multiple bifurcations and periodic coexistence in a delayed Hopfield two-neural system with a monotonic activation functionTime histories with increasing delay \(\tau _{\mathrm{s}}\) for (a) \(\tau _{\mathrm{s}} = 0.1\), (b) \(\tau _{\mathrm{s}} = 1\), (c) \(\tau _{\mathrm{s}} = 3.5\), and (d) \(\tau _{\mathrm{s}} = 5\) and the fixed parameters \(a _{12} = 1\), \(a _{21} = - 3\), \(\gamma = 1\), as well as \(\tau _{1} = 0.01\)Back to article page