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 ...

This is a preview. Log in through your library . Abstract We introduce a new lower bound for the quadratic assignment problem based on a sequence of equivalent formulations of the problem. We present ...

Reviewer assignment algorithms and systems have emerged as critical tools in modern academic publishing and research evaluation, ensuring that submitted manuscripts are matched with expert reviewers ...