An institution has offered a $1 million prize to anyone who can solve a famous math problem that has puzzled mathematicians for more than a century. The Riemann hypothesis, first proposed by German ...

I. The 1859 paper “On the Number of Prime Numbers Less Than a Given Quantity” was Bernhard Riemann’s only publication on number theory, and the only one of his productions that contained no ...

The Basel problem 25 is named from the Swiss city in whose university two of the Bernoulli brothers successively served as professor of mathematics (Jakob, 1687–1705, Johann, 1705–1748). I mentioned ...