The traveling salesperson problem is so difficult that practical solutions can never be perfect – only good enough. The challenge is coming up with the best approximations.
Every year, school districts across the U.S. try to plan out a bus schedule that works for all students while keeping costs and emissions low. Our mathematical models can help.
The 2016 election made clear that the Electoral College does not weigh votes from all states equally. A new analysis suggests the power of your vote is closely linked to voter turnout in your state.