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We establish a central limit theorem for the central values of Dirichlet $L$-functions with respect to a weighted measure on the set of primitive characters modulo $q$ as $q \rightarrow \infty$. Under the Generalized Riemann Hypothesis…

Number Theory · Mathematics 2021-09-30 Hung M. Bui , Natalie Evans , Stephen Lester , Kyle Pratt

We study the question of when two functions L_1,L_2 in the extended Selberg class are identical in terms of the zeros of L_i-h(i=1,2). Here, the meromorphic function h is called moving target. With the assumption on the growth order of h,…

Complex Variables · Mathematics 2025-02-14 Jun Wang , Qiongyan Wang , Xiao Yao

In the paper we introduce the new approach how to use an orthonormality relation of coefficients of Dirichlet series defining given L-functions from the Selberg class to prove joint universality.

Number Theory · Mathematics 2015-04-09 Yoonbok Lee , Takashi Nakamura , Łukasz Pańkowski

Let $\mathcal{L}(s) = \sum_{n=1}^{\infty} a_n n^{-s}$ be an $L$-function in the Selberg class, and $q_{\mathcal{L}}$ its conductor. Let $\ell_0(\mathcal{L})$ be the constant term of the Laurent expansion of $\mathcal{L}'/\mathcal{L}$ at…

Number Theory · Mathematics 2026-03-03 Christian Táfula

We find an asymptotic expansion of Selberg's central limit theorem for the Riemann zeta function on $\sigma = \frac12 + ( \log T)^{-\theta}$ and $t \in [T, 2T]$, where $ 0 < \theta < \frac12$ is a constant.

Number Theory · Mathematics 2021-06-04 Yoonbok Lee

In the present paper, we show that, for every $\delta>0$, the function $(\log {\mathcal{L}}(s))^{(m)}$, where $m\in {\mathbb{N}} \cup \{ 0\}$ and ${\mathcal{L}} (s) := \sum_{n=1}^\infty a(n) n^{-s}$ is an element of the Selberg class…

Number Theory · Mathematics 2015-08-04 Takashi Nakamura , Łukasz Pańkowski

When it comes to partial numerical verification of the Riemann Hypothesis, one crucial part is to verify the completeness of a list of pre-computed zeros. Turing developed such a method, based on an explicit version of a theorem of…

Number Theory · Mathematics 2015-11-09 Jan Büthe

We propose analogs of the classical Generalized Riemann Hypothesis and the Generalized Simplicity Conjecture for the characteristic p L-series associated to function fields over a finite field. These analogs are based on the use of absolute…

Number Theory · Mathematics 2007-05-23 David Goss

We substantially apply the Li criterion for the Riemann hypothesis to hold. Based upon a series representation for the sequence \{\lambda_k\}, which are certain logarithmic derivatives of the Riemann xi function evaluated at unity, we…

Mathematical Physics · Physics 2009-11-11 Mark W. Coffey

In this article, we study the logarithm of the central value $L\left(\frac{1}{2}, \chi_D\right)$ in the symplectic family of Dirichlet $L$-functions associated with the hyperelliptic curve of genus $\delta$ over a fixed finite field…

Number Theory · Mathematics 2021-05-25 Pranendu Darbar , Allysa Lumley

For the Riemann zeta-function, we introduce a function such that it is a characteristic function of an infinitely divisible distribution on the real line if and only if the Riemann Hypothesis is true.

Number Theory · Mathematics 2023-06-16 Takashi Nakamura , Masatoshi Suzuki

Assuming a conjecture on distinct zeros of Dirichlet L-functions we get asymptotic results on the average number of representations of an integer as the sum of two primes in arithmetic progression. On the other hand the existence of good…

Number Theory · Mathematics 2019-02-20 Gautami Bhowmik , Karin Halupczok , Kohji Matsumoto , Yuta Suzuki

We study a subtle inequity in the distribution of unnormalized differences between imaginary parts of zeros of the Riemann zeta function. We establish a precise measure which explains the phenomenon, that the location of each Riemann zero…

Number Theory · Mathematics 2019-02-20 Kevin Ford , Alexandru Zaharescu

The GUE Hypothesis, which concerns the distribution of zeros of the Riemann zeta-function, is used to evaluate some integrals involving the logarithmic derivative of the zeta-function. Some connections are shown between the GUE Hypothesis…

Number Theory · Mathematics 2009-09-25 David W. Farmer

In previous work it was shown that if certain series based on sums over primes of non-principal Dirichlet characters have a conjectured random walk behavior, then the Euler product formula for its $L$-function is valid to the right of the…

Number Theory · Mathematics 2021-10-28 André LeClair

We make explicit a result of Selberg on the argument of Dirichlet $L$-functions averaged over non-principal characters modulo a prime $q$. As a corollary, we show for all sufficiently large prime $q$ that the height of the lowest…

Number Theory · Mathematics 2026-04-14 Ghaith Hiary , Tianyu Zhao

We present a streamlined account of a recent theorem on the classification of the $L$-functions of degree 2 and conductor 1 from the extended Selberg class. We also present a more general new result dealing with functional equations…

Number Theory · Mathematics 2025-03-05 Jerzy Kaczorowski , Alberto Perelli

We prove an analogue of Selberg's zero density estimate for $\zeta(s)$ that holds for any $\mathrm{GL}_2$ $L$-function. We use this estimate to study the distribution of the vector of fractional parts of $\gamma\mathbf{\alpha}$, where…

Number Theory · Mathematics 2023-05-03 Olivia Beckwith , Di Liu , Jesse Thorner , Alexandru Zaharescu

We show that if the derivative of the Riemann zeta function has sufficiently many zeros close to the critical line, then the zeta function has many closely spaced zeros. This gives a condition on the zeros of the derivative of the zeta…

Number Theory · Mathematics 2010-02-09 David W. Farmer , Haseo Ki

We give new contributions on the distribution of the zeros of the Riemann zeta function by using the techniques of the Malliavin calculus. In particular, we obtain the error bound in the multidimensional Selberg' s central limit theorem…

Probability · Mathematics 2016-01-12 Ciprian Tudor