Figure 1

(Color online) $\sum {\lambda }_{\mathrm{perp}}^{+}$ in the figure legend stands for the quantity $\sum {\lambda }_{\perp }^{+}$, in Eq. (1). $I_C(S_i,S_j)$ is the mutual information between $S_i$ and $S_j$ calculated from Eq. (1), and $H_{KS}$ is the Kolmogorov-Sinai entropy, that gives the capacity of the network. In (a), the transmitter is $S_1$ and the receiver is $S_2$. For $A_{12}=A_{21}=0.03$, before PS is achieved, the Rössler type chaotic attractor turn into a three-band-type chaotic attractor, and for that reason $\sum {\lambda }_{\perp }^{+}\to 0$. PS is only achieved for $A_{12}=A_{21}=0.05$, when the attractor is, as usual, of the Rössler-type, and CS is achieved for $A_{12}=A_{21}>0.1$. In (b), we can consider as transmitters (receivers) $S_1$ or $S_2$ ($S_2$ or $S_3$), and the coupling strength between $S_1$ and $S_2$ (and vice-versa) is $A_{12}=A_{21}=0.05$. PS (and CS) between $S_2$ and $S_3$ is achieved for $A_{23}=0.23(A_{23}⩾0.31)$. The units are in bits per time unit.Reuse & Permissions