Show that a sequence d1, d2...,dn of nonnegative integers
Chapter , Problem 45E(choose chapter or problem)
Problem 45E
Show that a sequence d1, d2...,dn of nonnegative integers in nonincreasing order is a graphic sequence if and only if the sequence obtained by reordering the terms of the sequence d2 – 1,...,dd1+1,–. dd1+2,...,dn so that the terms are in nonincreasing order is a graphic sequence.
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