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 ...

Graph theory has long provided a robust mathematical framework for investigating networks, relations and connectivity in both abstract and applied settings. Recent advances have markedly refined our ...

Maria you are giving the annual Hamilton Lecture soon in Dublin, what will you talk about? I will talk about simple problems or puzzles that relate to parties, doughnuts and colouring and explain how ...