Give an example of a simple connected graph G for which G is planar, has no subgraph isomorphic to K4, and for which χ(G) = 4. You must prove with full and complete details, and a carefully reasoned argument that χ(G) = 4.
Give an example of a simple connected graph G for which G is planar, has no subgraph isomorphic to K4, and for which χ(G) = 4. You must prove with full and complete details, and a carefully reasoned argument that χ(G) = 4.
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter9: Polynomial And Rational Functions
Section9.4: Graphing Polynomial Functions
Problem 54PS
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Give an example of a simple connected graph G for which G is planar, has no subgraph isomorphic to K4, and for which χ(G) = 4. You must prove with full and complete details, and a carefully reasoned argument that χ(G) = 4.
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