Chung Graham scribe : Chris Calabro

نویسندگان

  • Fan Chung Graham
  • Chris Calabro
چکیده

Sometimes the edge set of an undirected graph is defined as a collection of doubleton subsets of the vertex set V . To unify the discussion, we will adopt the convention that the edge set E of a digraph G is a subset of V 2 and that G is undirected iff ∀i, j ∈ V ((i, j) ∈ E ↔ (j, i) ∈ E). Let G = (V,E) be a digraph with V = [n] = {1, . . . , n}. We can associate with G its adjacency matrix adj(G) = A where

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تاریخ انتشار 2004