Nobel laureate economist Richard Thaler famously quipped: People aren’t dumb, the world is hard. Indeed, we routinely encounter problems in our everyday lives that feel complex – from choosing the ...

Early on in the study of quantum computers, computer scientists posed a question whose answer, they knew, would reveal something deep about the power of these futuristic machines. Twenty-five years ...

This graduate course is an introduction to computational complexity. Computational complexity studies the limits and capabilities of efficient computation, as well as tradeoffs between different ...