A Convex Relaxation Bound for Subgraph Isomorphism

Figure 6

Here the relational structure matrix 𝑄=𝑁_𝐾⊗𝑁_𝐿+𝑁_𝐾⊗𝑁_𝐿 for the example subgraph isomorphism problem that is shown in Figure 5 is depicted.