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. 2014 Feb 26;9(2):e89066. doi: 10.1371/journal.pone.0089066

Figure 5. The number of driver nodes as a function of removal fraction Inline graphic for SF network under different attacks.

Figure 5

(a) Inline graphic, (b) Inline graphic, (c) Inline graphic, (d) the amount of failed edges in cascades as a function of removal fraction Inline graphic for Inline graphic. The inset of (d) shows the densities of three categories edges in all failed edges with the increasing of Inline graphic for Inline graphic. The networks size Inline graphic, Inline graphic and tolerant parameter Inline graphic. Each data point result is obtained by averaging over Inline graphic different realizations. The squares symbol the random attack and the circles symbol the intentional attack. In the inset of Fig. 5(d), the squares, circles and triangles symbol the critical, ordinary and redundant edges respectively. The open symbols and solid symbols represent the amount of edges under random and intentional attack respectively.