Chung Graham scribe : Chris Calabro
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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
منابع مشابه
Math 262 Lecture 10 : 4 / 29 / 04 lecturer : Lincoln Lu scribe : Chris Calabro
The partial duplication model with parameters (p, t, t0, Gt0) where p ∈ (0, 1), t, t0 ∈ N, t ≥ t0, and Gt0 is an initial undirected graph is the probability distribution on undirected graphs Gt described by the following recursion: If t = t0, then Gt = Gt0 . Otherwise, select a graph Gt−1 = (Vt−1, Et−1) from the partial duplication model with parameters (p, t − 1, t0, Gt0) and construct Gt, ini...
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تاریخ انتشار 2004