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Related papers: Bounds for double $L$-functions

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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

In this article, we study the distribution of values of Dirichlet $L$-functions, the distribution of values of the random models for Dirichlet $L$-functions, and the discrepancy between these two kinds of distributions. For each question,…

Number Theory · Mathematics 2022-09-23 Zikang Dong , Weijia Wang , Hao Zhang

We consider a sum of the derivatives of Dirichlet $L$-functions over the zeros of Dirichlet $L$-functions. We give an asymptotic formula for the sum.

Number Theory · Mathematics 2021-06-04 Hirotaka Kobayashi

We establish sharp upper bounds on shifted moments of quadratic Dirichlet $L$-functions over function fields. As an application, we prove some bounds for moments of quadratic Dirichlet character sums over function fields.

Number Theory · Mathematics 2025-04-10 Peng Gao , Liangyi Zhao

The problem of finding upper bounds for L-functions at the edge of the critical strip has a long and interesting history. Here, the situation for classical L-functions such as Dirichlet L-functions is relatively well understood. The reason…

Number Theory · Mathematics 2009-09-19 Xiannan Li

We establish sharp lower bounds for shifted (with two shifts) moments of Dirichlet $L$-function of fixed modulus under the generalized Riemann hypothesis.

Number Theory · Mathematics 2025-04-30 Peng Gao , Liangyi Zhao

In this paper, we establish sharp upper bounds on shifted moments of the family of Dirichlet $L$-functions to a fixed modulus over function fields. We apply the result to obtain upper bounds on moments of Dirichlet character sums over…

Number Theory · Mathematics 2025-05-02 Stephan Baier , Peng Gao

We prove a lower bound of the correct order of magnitude in the conductor aspect for small rational moments of Drichlet $L$-functions. Such bounds require new techniques, which is visible from the relationship to non-vanishing results for…

Number Theory · Mathematics 2012-01-30 Vorrapan Chandee , Xiannan Li

We derive explicit bounds for two general classes of $L$-functions, improving and generalizing earlier known estimates. These bounds can be used, for example, to apply Turing's method for determining the number of zeros up to a given…

Number Theory · Mathematics 2025-08-06 Neea Palojärvi , Tianyu Zhao

We prove two unconditional upper bounds on the gaps between ordinates of consecutive non-trivial zeros of a general $L$-function $L(s)$. This extends previous work of Hall and Hayman (2000) on the Riemann zeta-function and work of Siegel…

Number Theory · Mathematics 2026-05-20 Tianyu Zhao

We give a sharp convexity estimate for L-functions which have a functional equation and an Euler product.

Number Theory · Mathematics 2015-05-13 D. R. Heath-Brown

We study the $2k$-th moment of central values of the family of Dirichlet $L$-functions to a fixed prime modulus. We establish sharp lower bounds for all real $k \geq 0$ and sharp upper bounds for $k$ in the range $0 \leq k \leq 1$.

Number Theory · Mathematics 2021-03-02 Peng Gao

We give an explicit upper bound for non-principal Dirichlet $L$-functions on the line $s=1+it$. This result can be applied to improve the error in the zero-counting formulae for these functions.

Number Theory · Mathematics 2014-09-09 Adrian Dudek

We look at the values of two Dirichlet $L$-functions at the Riemann zeros (or a horizontal shift of them). Off the critical line we show that for a positive proportion of these points the pairs of values of the two $L$-functions are…

Number Theory · Mathematics 2015-05-05 Niko Laaksonen , Yiannis N. Petridis

We study the $2k$-th moment of central values of the family of Dirichlet $L$-functions to a fixed prime modulus and establish sharp upper bounds for all real $k \in [0,2]$.

Number Theory · Mathematics 2025-11-25 Peng Gao , Liangyi Zhao

We establish upper bounds for shifted moments of cubic and quartic Dirichlet $L$-functions under the generalized Riemann hypothesis. As an application, we prove bounds for moments of cubic and quartic Dirichlet character sums.

Number Theory · Mathematics 2025-08-21 Peng Gao , Liangyi Zhao

We prove a Weyl-exponent subconvex bound for any Dirichlet $L$-function of cube-free conductor. We also show a bound of the same strength for certain $L$-functions of self-dual $\mathrm{GL}_2$ automorphic forms that arise as twists of forms…

Number Theory · Mathematics 2022-05-17 Ian Petrow , Matthew P. Young

We prove that the Dirichlet $L$-functions associated with Dirichlet characters in $\mathbb{F}_{q}[x]$ are universal. That is, given a modulus of high enough degree, $L$-functions with characters to this modulus can be found that approximate…

Number Theory · Mathematics 2023-01-12 J. C. Andrade , S. M. Gonek

We establish sharp upper bounds for shifted moments of quadratic Dirichlet $L$-function under the generalized Riemann hypothesis. Our result is then used to prove bounds for moments of quadratic Dirichlet character sums.

Number Theory · Mathematics 2025-11-26 Peng Gao , Liangyi Zhao

The Dirichlet divisor problem is used as a model to give a conjecture concerning the conditional convergence of the Dirichlet series of an L-function.

Number Theory · Mathematics 2009-03-05 Michael O. Rubinstein
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