X-Nico

3 unusual facts about graph coloring


Art gallery problem

The vertices of the polygon are then 3-colored in such a way that every triangle has all three colors.

Graph coloring

For his accomplishment Kempe was elected a Fellow of the Royal Society and later President of the London Mathematical Society.

Guthrie’s brother passed on the question to his mathematics teacher Augustus de Morgan at University College, who mentioned it in a letter to William Hamilton in 1852.


Cavity method

The cavity method has played and is playing a major role in the solution of optimization problems like the K-satisfiability and the graph coloring in present days.


see also