What makes Riemann hypothesis so much harder to prove than its analogue for curves over finite fields












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The analogue of the Riemann hypothesis for curves over finite fields has been shown by André Weil (see also Roadmap to Riemann hypothesis for curves over finite fields) and further deep results (Weil conjectures) are known to hold for the zeta function in this case.



What I want to know is: what makes proving the Riemann hypothesis so much harder than its analogue for curves over finite fields? What makes it hard (probably impossible) to generalize the ideas that were used in the finite field case to a proof of the Riemann hypthesis?










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  • 1




    $begingroup$
    let me guess: infiniteness?
    $endgroup$
    – Masacroso
    Jan 8 at 0:20






  • 2




    $begingroup$
    It should be possible to say on the $mathbb{Z}$ case we need to approximate $sum_{p^k le x} log(p) = sum_{n le x}sum_{d | n} mu(n/d)log(d)$ on the $C/mathbb{F}_q$ case it is $ sum_{n le x}sum_{d | n} mu(n/d)(q^d + O(q^{d/2}))$. The latter is obviously $sum_{n le x} (q^n+ O(q^{n(1/2+epsilon)}))= frac{q^{x+1}}{q-1}+O(q^{x(1/2+epsilon)})$. So to go from Weil to RH you'd need to let $q to 1$ and it doesn't behave well arithmetically and wrt asymptotics.
    $endgroup$
    – reuns
    Jan 8 at 1:40


















1












$begingroup$


The analogue of the Riemann hypothesis for curves over finite fields has been shown by André Weil (see also Roadmap to Riemann hypothesis for curves over finite fields) and further deep results (Weil conjectures) are known to hold for the zeta function in this case.



What I want to know is: what makes proving the Riemann hypothesis so much harder than its analogue for curves over finite fields? What makes it hard (probably impossible) to generalize the ideas that were used in the finite field case to a proof of the Riemann hypthesis?










share|cite|improve this question









$endgroup$








  • 1




    $begingroup$
    let me guess: infiniteness?
    $endgroup$
    – Masacroso
    Jan 8 at 0:20






  • 2




    $begingroup$
    It should be possible to say on the $mathbb{Z}$ case we need to approximate $sum_{p^k le x} log(p) = sum_{n le x}sum_{d | n} mu(n/d)log(d)$ on the $C/mathbb{F}_q$ case it is $ sum_{n le x}sum_{d | n} mu(n/d)(q^d + O(q^{d/2}))$. The latter is obviously $sum_{n le x} (q^n+ O(q^{n(1/2+epsilon)}))= frac{q^{x+1}}{q-1}+O(q^{x(1/2+epsilon)})$. So to go from Weil to RH you'd need to let $q to 1$ and it doesn't behave well arithmetically and wrt asymptotics.
    $endgroup$
    – reuns
    Jan 8 at 1:40
















1












1








1





$begingroup$


The analogue of the Riemann hypothesis for curves over finite fields has been shown by André Weil (see also Roadmap to Riemann hypothesis for curves over finite fields) and further deep results (Weil conjectures) are known to hold for the zeta function in this case.



What I want to know is: what makes proving the Riemann hypothesis so much harder than its analogue for curves over finite fields? What makes it hard (probably impossible) to generalize the ideas that were used in the finite field case to a proof of the Riemann hypthesis?










share|cite|improve this question









$endgroup$




The analogue of the Riemann hypothesis for curves over finite fields has been shown by André Weil (see also Roadmap to Riemann hypothesis for curves over finite fields) and further deep results (Weil conjectures) are known to hold for the zeta function in this case.



What I want to know is: what makes proving the Riemann hypothesis so much harder than its analogue for curves over finite fields? What makes it hard (probably impossible) to generalize the ideas that were used in the finite field case to a proof of the Riemann hypthesis?







number-theory riemann-zeta riemann-hypothesis






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share|cite|improve this question











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asked Jan 8 at 0:17









NubokNubok

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  • 1




    $begingroup$
    let me guess: infiniteness?
    $endgroup$
    – Masacroso
    Jan 8 at 0:20






  • 2




    $begingroup$
    It should be possible to say on the $mathbb{Z}$ case we need to approximate $sum_{p^k le x} log(p) = sum_{n le x}sum_{d | n} mu(n/d)log(d)$ on the $C/mathbb{F}_q$ case it is $ sum_{n le x}sum_{d | n} mu(n/d)(q^d + O(q^{d/2}))$. The latter is obviously $sum_{n le x} (q^n+ O(q^{n(1/2+epsilon)}))= frac{q^{x+1}}{q-1}+O(q^{x(1/2+epsilon)})$. So to go from Weil to RH you'd need to let $q to 1$ and it doesn't behave well arithmetically and wrt asymptotics.
    $endgroup$
    – reuns
    Jan 8 at 1:40
















  • 1




    $begingroup$
    let me guess: infiniteness?
    $endgroup$
    – Masacroso
    Jan 8 at 0:20






  • 2




    $begingroup$
    It should be possible to say on the $mathbb{Z}$ case we need to approximate $sum_{p^k le x} log(p) = sum_{n le x}sum_{d | n} mu(n/d)log(d)$ on the $C/mathbb{F}_q$ case it is $ sum_{n le x}sum_{d | n} mu(n/d)(q^d + O(q^{d/2}))$. The latter is obviously $sum_{n le x} (q^n+ O(q^{n(1/2+epsilon)}))= frac{q^{x+1}}{q-1}+O(q^{x(1/2+epsilon)})$. So to go from Weil to RH you'd need to let $q to 1$ and it doesn't behave well arithmetically and wrt asymptotics.
    $endgroup$
    – reuns
    Jan 8 at 1:40










1




1




$begingroup$
let me guess: infiniteness?
$endgroup$
– Masacroso
Jan 8 at 0:20




$begingroup$
let me guess: infiniteness?
$endgroup$
– Masacroso
Jan 8 at 0:20




2




2




$begingroup$
It should be possible to say on the $mathbb{Z}$ case we need to approximate $sum_{p^k le x} log(p) = sum_{n le x}sum_{d | n} mu(n/d)log(d)$ on the $C/mathbb{F}_q$ case it is $ sum_{n le x}sum_{d | n} mu(n/d)(q^d + O(q^{d/2}))$. The latter is obviously $sum_{n le x} (q^n+ O(q^{n(1/2+epsilon)}))= frac{q^{x+1}}{q-1}+O(q^{x(1/2+epsilon)})$. So to go from Weil to RH you'd need to let $q to 1$ and it doesn't behave well arithmetically and wrt asymptotics.
$endgroup$
– reuns
Jan 8 at 1:40






$begingroup$
It should be possible to say on the $mathbb{Z}$ case we need to approximate $sum_{p^k le x} log(p) = sum_{n le x}sum_{d | n} mu(n/d)log(d)$ on the $C/mathbb{F}_q$ case it is $ sum_{n le x}sum_{d | n} mu(n/d)(q^d + O(q^{d/2}))$. The latter is obviously $sum_{n le x} (q^n+ O(q^{n(1/2+epsilon)}))= frac{q^{x+1}}{q-1}+O(q^{x(1/2+epsilon)})$. So to go from Weil to RH you'd need to let $q to 1$ and it doesn't behave well arithmetically and wrt asymptotics.
$endgroup$
– reuns
Jan 8 at 1:40












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