Hilbert and Polya suggested a physical way to verify the Riemann hypotesis about $\zeta(x)$. If the Riemann hypotesis is true, we can state all eigenvalues of physical problems are real. What is the connection between the eigenvalues and the $\zeta$ function?
This post imported from StackExchange Physics at 2014-07-03 17:56 (UCT), posted by SE-user Riccardo.Alestra