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
expand_more
expand_more
format_list_bulleted
Question
Chapter 13.2, Problem 2E
(a)
To determine
To graph: Corresponding to the map shown below and find the coloring requires the least number of colors and the chromatic number of the graph.
(b)
To determine
Whether the given statement is true or false.” The 4-color Theorem says that the chromatic number of a planar graph is 4.”
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
For the graph shown below, find a 2-coloring of the vertices or explain why a 2-coloring is impossible.
Construct a graph for the map given below. Determine the minimum number of colors required for the coloring of the map below (which is the chromatic number of the corresponding graph).
6.b. Determine whether the following statements are true or false. Explain why the true statements are true and give counterexamples to the false statements.(i) Each bipartite graph is planar.(ii) Each bipartite has a chromatic number equal to 2.
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...
Knowledge Booster
Similar questions
- Qw.120.please find a coloring using the minimum possible number of colors. what is the chromatic numbers of the following graphs. Show the coloring by labeling the vertices with numbers (do not use colors). 1)arrow_forwardDirections: Show that the graph is 2-colorable by findings a 2-coloring. If the graph is not 2-colorable, explain why?arrow_forwardDefine Mycielski’s construction. Use this to obtain a graph with chromatic number4 from K2.arrow_forward
- I tried asking this in seperate questions but no body answered . b) Prove that G = K2,12 is planar by drawing G without any edge crossings. (c) Give an example of a graph G whose chromatic number is 3, but that contains no K3 as a subgraph. You must prove that your graph actually has chromatic number 3.arrow_forwardB . Determine if the graph and , shown below, are isomorphic or not. Be sure to justify why they are or are not isomorphic.arrow_forwardFor the graph below determine the minimum number of colors necessary to colorits vertices. Justify your answer, by (i) giving a coloring and (ii) explaining why it is not possibleto use fewer colors. You can represent colors by letters a, b, c, .... To show the coloring, mark eachvertex with its color.arrow_forward
- what is an example of: i) an edge e of a 2-connected graph G such that G/e is not 2-connected ii) an edge e of a 2-connected graph G such that G∖e is not 2-connectedarrow_forwardWhat is the chromatically number of this graph? Find a coloring of the graph using that many colors. Explain why there is no coloring using fewer colors.arrow_forward(Discrete Math-Graph Theory) Let G=(V,E₁∪E₂∪E₃) be a simple graph such that G₁=(V,E₁) is planar, G₂=(V,E₂) is a forest, and G₃=(V,E₃) is a matching. Prove G is 9-colourable, i.e. its chromatic number satisfies χ(G)≤9.arrow_forward
- What is the chromatic number of this graph?arrow_forwardQuestion 15 Determine and say whether or not the following pairs of graphs are isomorphicarrow_forwardDirections: Show that the graph is 2-colorable by findings a 2-coloring. If the graph is not 2-colorable, explain why? Show step-by-step solution.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Discrete Mathematics and Its Applications ( 8th I...MathISBN:9781259676512Author:Kenneth H RosenPublisher:McGraw-Hill Education
Mathematics for Elementary Teachers with Activiti...MathISBN:9780134392790Author:Beckmann, SybillaPublisher:PEARSON
Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSON
Discrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,
Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education
Discrete Mathematics and Its Applications ( 8th I...
Math
ISBN:9781259676512
Author:Kenneth H Rosen
Publisher:McGraw-Hill Education
Mathematics for Elementary Teachers with Activiti...
Math
ISBN:9780134392790
Author:Beckmann, Sybilla
Publisher:PEARSON
Thinking Mathematically (7th Edition)
Math
ISBN:9780134683713
Author:Robert F. Blitzer
Publisher:PEARSON
Discrete Mathematics With Applications
Math
ISBN:9781337694193
Author:EPP, Susanna S.
Publisher:Cengage Learning,
Pathways To Math Literacy (looseleaf)
Math
ISBN:9781259985607
Author:David Sobecki Professor, Brian A. Mercer
Publisher:McGraw-Hill Education