4. Let n eN with n >1, V = Z and set E = {{x, y} : x, y E Z and |r – y| =n}. Define G, = (V, E). (a) Prove that Gn is a simple graph. (b) For which values of n is Gn a connected graph? (c) Determine the connected components of Gn.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.7: Applications
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This question is from the subject Discrete Mathematics 2, where it involves basic set theory, combinatorics, graph theory etc.

4. Let n eN with n >1, V = Z and set
E = {{x, y} : x, y E Z and |r – y| =n}.
Define G, = (V, E).
(a) Prove that Gn is a simple graph.
(b) For which values of n is Gn a connected graph?
(c) Determine the connected components of Gn.
Transcribed Image Text:4. Let n eN with n >1, V = Z and set E = {{x, y} : x, y E Z and |r – y| =n}. Define G, = (V, E). (a) Prove that Gn is a simple graph. (b) For which values of n is Gn a connected graph? (c) Determine the connected components of Gn.
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