Beneath every perfect wave is a formula of wind, swell, and seafloor. But for those who chase them, the ideal ride is part science, part soul. Carson’s words reflect something surfers have long ...

A while back, [Chris Lu] was studying how analog circuits, specifically op-amps can be used to perform mathematical operations and wondered if they could be persuaded to solve differential equations, ...

The authors prove global existence of small solutions to a semilinear wave equation outside of convex obstacles. This extends results of Christodoulou and Klainerman who handled the Minkowski space ...