Four years ago, the mathematician Maria Chudnovsky faced an all-too-common predicament: how to seat 120 wedding guests, some of whom did not get along, at a dozen or so conflict-free tables. Luckily, ...

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 ...

These days, it seems you can't make it past the lobby of a Barnes & Noble without seeing an adult coloring book. The genre currently holds five of the top 10 spots on Amazon's best-sellers list, and ...