Let G be a loop-free undirected graph, where = maxuV{deg(v)}. (a) Prove that x(G) +

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Let G be a loop-free undirected graph, where ∆ = maxu∈V{deg(v)}. (a) Prove that x(G) ∆ + 1. (b) Find two types of graphs G, where x (G) = ∆ + 1.

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Question Posted: Jun 21, 2016 08:50 AM

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Let G be a loop-free undirected graph, where = maxuV{deg(v)}. (a) Prove that x(G) +

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a Select a vertex v V and color it with one of the 1 available c...View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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