P. Horak, L. Stacho eds., Special issue of Discrete Mathematics: Combinatorics 2006, A meeting in celebration of Pavol Hell’s 60th birthday, Vol. 309, 2009. D. Kral ...
Graph colouring remains a central topic in graph theory, providing the mathematical framework for assigning colours to the elements of a graph under specific constraints. In particular, the colouring ...
If true, the following conjecture of Thomassen [Th81] is a planarity criterion for a special class of graphs that involves only K 5. Recall that a planar graph on n vertices contains at most 3n-6 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results