Hamming distance between the strings generated by adjacency matrix of a subgraph complementary graph and their sum

Let A(G) be the adjacency matrix of a graph G. Let s(v) denote the row entries of A(G) corresponding to the vertex v of G. The Hamming distance between the strings s(u) and s(v) is the number of positions in which s(u) and s(v) differ. In this paper, we study the Hamming distance between the strings generated by the adjacency matrix of subgraph complement of a graph. We also compute sum of Hamming distances between all pairs of strings generated by the adjacency matrix of G ⊕ S.