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. 2017 Aug 10;7:7795. doi: 10.1038/s41598-017-08245-x

Figure 9.

Figure 9

Ordinal transition networks on the path to phase synchronization of Eq. (8), for three typical coupling strength. (a) Random transitions in the non-sync regime of κ = 0.02 < κ c1, (b) dominant structure appears in the regime that oscillators k = 1 and k = 2 are phase synchronized, but not with k = 3, κ = 0.06 ∈ [κ c1, κ c2], (c) only one transition route of ordinal patterns is observed when all three oscillators are phase locked κ = 0.08 > κ c2. Thickness of links are determined by the associated frequencies in the transition networks and self-loops are removed. In (a,b), link arrows are suppressed for the ease of visualization.