In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of nodes connected by links, or edges. Often, these ...

On March 15, intriguing seminar announcements sent rumblings through the field of combinatorics, the mathematical study of counting. Three collaborators planned to give coordinated talks the following ...

An app that helps people and teams in the working world simplify their to-do lists — ideally by organizing and doing some of the work for them — has remained one of the unsolved goals in business ...