Problem

The k-SPANNING TREE problem is the following.Input: An undirected graph G = (V, E)Output:...

The k-SPANNING TREE problem is the following.

Input: An undirected graph G = (V, E)

Output: A spanning tree of G in which each node has degree ≤ k, if such

a tree exists.

Show that for any k ≥ 2:

(a) k-SPANNING TREE is a search problem.


(b) k-SPANNING TREE is NP-complete. (Hint: Start with k = 2 and consider the relation between this problem and RUDRATA PATH.)

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Solutions For Problems in Chapter 8