It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. The Quanta ...

Scientists have found what they say is a link between complex number theory and string theory. A mathematician and physicist working together found the connection, which they say is part of plotting ...

Type systems constitute the formal backbone of functional programming languages, providing a static discipline that assigns types to expressions and enforces invariants at compile time. Functional ...