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2006 Artin's Conjecture, Turing's Method, and the Riemann Hypothesis
Andrew R. Booker
Experiment. Math. 15(4): 385-408 (2006).


We present a group-theoretic criterion under which one may verify the Artin conjecture for some (nonmonomial) Galois representations, up to finite height in the complex plane. In particular, the criterion applies to $S_5$ and $A_5$ representations. Under more general conditions, the technique allows for the possibility of verifying the Riemann hypothesis for Dedekind zeta functions of nonabelian extensions of $\Q$.

In addition, we discuss two methods for locating zeros of arbitrary $L$-functions. The first uses the explicit formula and techniques developed in A. R. Booker and A. Strömbergsson,“Numerical Computations with the Trace Formula and the Selberg Eigenvalue Conjecture,” for computing with trace formulas. The second method generalizes that of Turing for verifying the Riemann hypothesis. In order to apply it we develop a rigorous algorithm for computing general $L$-functions on the critical line via the fast Fourier transform.

Finally, we present some numerical results testing Artin's conjecture for $S_5$ representations, and the Riemann hypothesis for Dedekind zeta functions of $S_5$ and $A_5$ fields.


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Andrew R. Booker. "Artin's Conjecture, Turing's Method, and the Riemann Hypothesis." Experiment. Math. 15 (4) 385 - 408, 2006.


Published: 2006
First available in Project Euclid: 5 April 2007

zbMATH: 1169.11019
MathSciNet: MR2293591

Primary: 11F80
Secondary: 11M26 , 11Y35 , 20C15

Keywords: $L$-functions , Artin's conjecture , Galois representations , Riemann hypothesis , Turing's method

Rights: Copyright © 2006 A K Peters, Ltd.


Vol.15 • No. 4 • 2006
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