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 ...

Combinatorics and discrete mathematics form a vibrant and expansive branch of modern mathematics, dedicated to the study of finite or countable structures and the methods used to count, classify ...

D. Kral, J-S. Sereni, L. Stacho, Min-max relations for odd cycles in planar graphs, SIAM J. Discrete Mathematics 26 ... L. Stacho, A sufficient condition guaranteeing large cycles in graphs, Discrete ...

Norman L. Biggs, Discrete Mathematics, Oxford University Press; T H Cormen, C E Leiserson & R Rivest and C Stein, Introduction to Algorithms, Cambridge University Press; R Diestel, Graph Theory, ...

He was pre-eminent in the field of discrete mathematics, coming up with “some really pretty cool stuff.” (He was also a world-class juggler.) By Kenneth Chang Ronald L. Graham, who gained ...