Discrete Mathematics with Graph Theory (Classic Version) (3rd Edition) (Pearson Modern Classics for Advanced Mathematics Series)
3rd Edition
ISBN: 9780134689555
Author: Edgar Goodaire, Michael Parmenter
Publisher: PEARSON
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Chapter 13.1, Problem 13E
To determine
To prove:
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Let G be a simple graph with nonadjacent vertices v and w, and let G+e denote the simple graph
obtained from G by creating a new edge, e, joining v and w. Prove that
x(G) = min{x(G+e), x((G+e) 4e)}.
Give an example of
a non-planar graph that is not homeomorphic to K5or K3,3.
2. Let G be a graph and e € E(G). Let H be the graph with V(H) = V(G) and
E(H) = E(G)\{e}. Then e is a bridge of G if H has a greater number of connected
components than G.
=
(a) Let G be the simple graph with V(G) {u, v, w, x, y, z) and E(G)
{uy, vx, vz, wx, xz}. For each e € E(G), state whether e is a bridge of G.
Justify your answer.
=
Chapter 13 Solutions
Discrete Mathematics with Graph Theory (Classic Version) (3rd Edition) (Pearson Modern Classics for Advanced Mathematics Series)
Ch. 13.1 - Prob. 1TFQCh. 13.1 - Prob. 2TFQCh. 13.1 - Prob. 3TFQCh. 13.1 - Prob. 4TFQCh. 13.1 - Prob. 5TFQCh. 13.1 - Prob. 6TFQCh. 13.1 - Prob. 7TFQCh. 13.1 - Prob. 8TFQCh. 13.1 - Prob. 9TFQCh. 13.1 - Prob. 10TFQ
Ch. 13.1 - [BB] Show that the graph is planar by drawing an...Ch. 13.1 - Prob. 2ECh. 13.1 - Prob. 3ECh. 13.1 - 4. One of the two graphs is planar; the other is...Ch. 13.1 - Prob. 5ECh. 13.1 - Prob. 6ECh. 13.1 - Prob. 7ECh. 13.1 - Prob. 8ECh. 13.1 - Prob. 9ECh. 13.1 - Prob. 10ECh. 13.1 - Prob. 11ECh. 13.1 - Prob. 12ECh. 13.1 - Prob. 13ECh. 13.1 - Prob. 14ECh. 13.1 - Prob. 15ECh. 13.1 - Discover what you can about Kazimierz Kuratowski...Ch. 13.1 - Prob. 17ECh. 13.1 - Prob. 18ECh. 13.1 - Prob. 19ECh. 13.1 - [BB] Prove that every planar graph V2 vertices has...Ch. 13.1 - Prob. 21ECh. 13.1 - [BB] suppose G is a connected planar graph in...Ch. 13.1 - Prob. 23ECh. 13.1 - Prob. 24ECh. 13.1 - Prob. 25ECh. 13.2 - Prob. 1TFQCh. 13.2 - Prob. 2TFQCh. 13.2 - Prob. 3TFQCh. 13.2 - Prob. 4TFQCh. 13.2 - Prob. 5TFQCh. 13.2 - Prob. 6TFQCh. 13.2 - Prob. 7TFQCh. 13.2 - Prob. 8TFQCh. 13.2 - Prob. 9TFQCh. 13.2 - Prob. 10TFQCh. 13.2 - Prob. 1ECh. 13.2 - Prob. 2ECh. 13.2 - Prob. 3ECh. 13.2 - Prob. 4ECh. 13.2 - Prob. 5ECh. 13.2 - Prob. 6ECh. 13.2 - Prob. 7ECh. 13.2 - Prob. 8ECh. 13.2 - Prob. 9ECh. 13.2 - Prob. 10ECh. 13.2 - Prob. 11ECh. 13.2 - Prob. 12ECh. 13.2 - Prob. 13ECh. 13.2 - Prob. 14ECh. 13.2 - Prob. 15ECh. 13.2 - Prob. 16ECh. 13.2 - Prob. 17ECh. 13.2 - Prob. 18ECh. 13.2 - Prob. 19ECh. 13.2 - Prob. 20ECh. 13.2 - [BB] The following semester, all the students in...Ch. 13.2 - Prob. 22ECh. 13.2 - 23. The local day care center has a problem...Ch. 13.2 - Prob. 24ECh. 13.2 - Prob. 25ECh. 13.2 - (a) [BB] Draw the dual graph of the cube...Ch. 13.2 - [BB] is it possible for a plane graph, considered...Ch. 13.3 - Prob. 1TFQCh. 13.3 - Prob. 2TFQCh. 13.3 - Prob. 3TFQCh. 13.3 - Prob. 4TFQCh. 13.3 - Prob. 5TFQCh. 13.3 - Prob. 6TFQCh. 13.3 - Prob. 7TFQCh. 13.3 - Prob. 8TFQCh. 13.3 - Prob. 9TFQCh. 13.3 - Prob. 10TFQCh. 13.3 - Prob. 1ECh. 13.3 - Prob. 2ECh. 13.3 - [BB] True or False? A line-of-sight graph is...Ch. 13.3 - Prob. 4ECh. 13.3 - Prob. 5ECh. 13.3 - Prob. 6ECh. 13.3 - Prob. 7ECh. 13.3 - Prob. 8ECh. 13.3 - [BB] Assume that the only short circuits in a...Ch. 13.3 - Prob. 10ECh. 13.3 - 11. Find a best possible feasible relationship...Ch. 13.3 - Prob. 12ECh. 13.3 - Prob. 13ECh. 13.3 - Prob. 14ECh. 13.3 - Prob. 15ECh. 13.3 - [BB] Apply Brookss Theorem (p. 422 ) to find the...Ch. 13 - (a) Show that the graph below is planar by drawing...Ch. 13 - Prob. 2RECh. 13 - Prob. 3RECh. 13 - Prob. 4RECh. 13 - Prob. 5RECh. 13 - Prob. 6RECh. 13 - Prob. 7RECh. 13 - Prob. 8RECh. 13 - Prob. 9RECh. 13 - Prob. 10RECh. 13 - Prob. 11RECh. 13 - Prob. 12RECh. 13 - Prob. 13RECh. 13 - 14. Suppose that in one particular semester there...Ch. 13 - Prob. 15RECh. 13 - 16. Draw the line-of-sight graph associated with...Ch. 13 - Prob. 17RECh. 13 - Prob. 18RECh. 13 - Prob. 19RECh. 13 - A contractor is building a single house for a...Ch. 13 - 23. The Central Newfoundland Hospital Board would...
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