Figure 4
From: Emergence of global synchronization in directed excitatory networks of type I neurons
Differences in the synchronization stability of excitatory scale-free networks with various directionalities and neuronal types. Lyapunov exponents versus coupling for (top row) identical type I and (middle row) type II phase oscillators situated on (left column) scale-free undirected graphs, (middle column) BDGs and (right column) DAGs, with N = 200 nodes are illustrated. The sign of the Lyapunov exponents is colour coded, where blue and red indicate negative and positive values, respectively. (Bottom row) The stationary order parameter versus the coupling strength of the scale-free networks with different link-directionalities (i.e. U(Undirected), BDG and DAG) are illustrated.
