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traveling salesperson problem
Computer Scientists Break Traveling Salesperson Record
After 44 years, there’s finally a better way to find approximate solutions to the notoriously difficult traveling salesperson problem.
Mystery Math Whiz and Novelist Advance Permutation Problem
A new proof from the Australian science fiction writer Greg Egan and a 2011 proof anonymously posted online are now being hailed as significant advances on a puzzle mathematicians have been studying for at least 25 years.