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Max flow/min cut Suppose that the max flow value of a graph G is greater than zero. An edge (u, v) of G is called
Max flow/min cut
Suppose that the max flow value of a graph G is greater than zero. An edge (u, v) of G is called essential if decreasing c(u, v) by any small amount results in a decrease in the maximum flow value. (a) Show that G has an essential edge. (b) Design an efficient algorithm for finding an essential edge in G
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