With a surprising new proof, two young mathematicians have found a bridge across the finite-infinite divide, helping at the same time to map this strange boundary. The boundary does not pass between ...

It was Jan. 30, 1968, the eve of the Lunar New Year. In Vietnam, this holiday is known as Tet, and tradition on Tet calls for a ceasefire in time of war. However, that tradition served as the cover ...

The original version of this story appeared in Quanta Magazine. All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in ...