# Selberg Zeta function proof

1. ### zetafunction

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Does anyone know where can i find the proof that the Selberg Zeta function has ALL its zeros on the critical line ??

since the Riemann Zeta function can be regarded as the INVERSE of a Selberg Zeta function whose Geodesic are the log of primes could this proof also be applied to Riemann zeta ?=?