Decades ago, Paul Erdős used randomness to illuminate the vast and weird world of networks. Now mathematicians are making his ...

ECONOMISTS CLAIM to study markets in all their forms. But one, in particular, seems to make them blush: sex work. In a new book, “Sex Work by Numbers”, Stef Adriaenssens of KU Leuven, a university in ...

Inspired by 30 seconds of code, this is a collection of reusable, tested, and copy-pasteable Java 21 compatible code snippets that you can understand in 30 seconds or less. If you're interested in ...

Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child ...

Jim Dolan and I are trying to learn about modular forms and the Modularity Theorem, once known as the Taniyama–Shimura–Weil Conjecture. It’s an irresistible challenge. After all, this result implies ...