Question: Let A be an n x n adjacency matrix for a digraph -: (V,E). Let be a column vector with n entries, all ones. That

Let A be an n x n adjacency matrix for a

Let A be an n x n adjacency matrix for a digraph -: (V,E). Let be a column vector with n entries, all ones. That is to say What information about the graph do the vectors Au and AT represent?? How about the numbers (Ai)Tu and (ATi)Ti

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