Title: Graph Theory Author: Parag Last modified by: NBMASTER Created Date: 1/6/2005 10:22:41 AM Document presentation format: On-screen Show (4:3) Company
Chapter 9.8 Graph Coloring These class notes are based on material from our textbook, Discrete Mathematics and Its Applications, 6th ed., by Kenneth H. Rosen ...
Assignment of 'colors' to certain objects in a graph subject to certain constraints ... ?(G) 3 if and only if G has an odd cycle (equivalently, if G is not bipartite) ...
Planar Graphs A graph is called planar if it can be drawn in the plane without any edges crossing. ... Such a drawing is called a planar representation of the graph.
Guthrie, in 1853, started to analyze what Mobius first conjectured ... In fact the picture is four-colorable and was proven so by Wagon in 1998. New Proof ...