In 1900, David Hilbert outlined 23 unsolved problems in mathematics. Many of these have been solved today, with the notable exception of the Riemann Hypothesis. Today, if we solve any of these, we get $1 million.
In 1900, David Hilbert outlined 23 unsolved problems in mathematics. Many of these have been solved today, with the notable exception of the Riemann Hypothesis. Today, if we solve any of these, we get $1 million.