The given condition is not satisfied, but there is Hamiltonian circuit for the graph given be
A→B→C→D→E→F→G→H→A
10.13 GRAPH COLOURING
Graph colouring problems have gained importance due to their wide practical applications in
which ‘colour’ has different meaning. For example, if the graph represents a connected grid of
cities, each city can be marked with the name of airline having most flights to and from the city.
In this case, vertices are cities and colours are airline names.
The subject of graph colouring can be viewed to have its origin from the map colouring ...
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