Prove Lemma 12.3. Let G = (V, E) be a loop-free connected undirected graph with z
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Let G = (V, E) be a loop-free connected undirected graph with z ∈ V. The vertex z is an articulation point of G if and only if there exist distinct x, y ∈ V with x ≠ z, y ≠ z, and such that every path in G connecting x and y contains the vertex z.
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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