Suppose that d 1 , d2 ,…, dn are n positive integers with
Chapter , Problem 6E(choose chapter or problem)
Problem 6E
Suppose that d 1 , d2 ,…, dn are n positive integers with sum 2n − 2. Show that there is a tree that has n vertic es such that the degrees of these vertices are d1 , d2 ,.... ,. dn.
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