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. 2009 Dec 4;5(12):e1000584. doi: 10.1371/journal.pcbi.1000584

Figure 4. Common Neighbourhood of an edge (Cn(Eij)).

Figure 4

A contact Eij (red) between nodes i (pink) and j (green) is shown. Let (Ni) be the neighbours of the i and (Nj) be neighbours of the j (grey). The CNb of edge (Eij) is defined as
graphic file with name pcbi.1000584.e002.jpg
The nodes k1, k2 and k3 (yellow) share edges with nodes i and j. The triangles k1, k2 and k3 make with Eij constitute the CNb triangles of Eij.