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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Methods. 2019 Mar 27;162-163:74–84. doi: 10.1016/j.ymeth.2019.03.022

Table 1:

Vertex pairs used to generate dual graphs of 2 to 9 vertices from graphs with fewer vertices.

No. of Vertices Vertex Combinations
2 1 and 1
3 1 and 2
4 1 and 3, 2 and 2
5 1 and 4, 2 and 3
6 1 and 5, 2 and 4, 3 and 3
7 1 and 6, 2 and 5, 3 and 4
8 1 and 7, 2 and 6, 3 and 5, 4 and 4
9 1 and 8, 2 and 7, 3 and 6, 4 and 5