The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

Nash equilibria represent a cornerstone in game theory, defining strategy profiles wherein no player can benefit by unilaterally deviating. This concept underpins a myriad of applications, ranging ...

APPROACHING cancer treatment as a game has doubled the survival time of men with advanced prostate cancer. This achievement could mark the start of using game theory to target a range of cancers more ...