The graph colouring problem, a classic NP-hard challenge, is central to many practical applications such as scheduling, resource allocation and network management. Recent advances have seen the ...

The study of graph colouring has long been a central topic in discrete mathematics, with a prominent focus on optimising the assignment of labels or colours to vertices such that adjacent vertices are ...

It's difficult to determine just how much money you'll need in retirement when you can't predict the future. Some people worry they'll outlive their savings, while others may fear they're living too ...