Fig. 10

\(AG'\) after the paths of AG(A, B) are extended. AG(A, B) is a subgraph of \(AG'\). Newly added vertices end edges are white and dashed respectively
\(AG'\) after the paths of AG(A, B) are extended. AG(A, B) is a subgraph of \(AG'\). Newly added vertices end edges are white and dashed respectively