Airport gate assignment optimisation is a multifaceted challenge central to modern airport operations. This problem involves the systematic allocation of arriving and departing flights to a limited ...

For the distance matrix of symmetric traveling salesman problems a simple transformation into an equivalent asymmetric one is given. Assignment algorithms yield sharper lowerbounds and less subtours ...

Business managers face an endless list of complex issues every day. They must make decisions about financing, where to build a plant, how much of a product to manufacture, how many people to hire, and ...