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In 2023, Li, Du, Yi proved a uniqueness theorem for L functions in the extended Selberg class under the assumptions of positive degree, a shared functional equation, and the sharing of three complex values. This was later strengthened by…

Complex Variables · Mathematics 2026-04-02 Arpita Kundu , Abhijit Banerjee

We define an axiomatic class of L-functions extending the Selberg class. We show in particular that one can recast the traditional conditions of an Euler product, analytic continuation and functional equation in terms of distributional…

Number Theory · Mathematics 2015-02-16 Andrew R. Booker

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

We prove that the complete L-functions of classical holomorphic newforms have infinitely many simple zeros.

Number Theory · Mathematics 2012-11-30 Andrew R. Booker

We give a full description of the functions $F$ of degree 2 and conductor 1 in the general framework of the extended Selberg class. This is performed by means of a new numerical invariant $\chi_F$, which is easily computed from the data of…

Number Theory · Mathematics 2022-02-08 J. Kaczorowski , A. Perelli

$L$-functions can be viewed axiomatically, such as in the formulation due to Selberg, or they can be seen as arising from cuspidal automorphic representations of $\textrm{GL}(n)$, as first described by Langlands. Conjecturally these two…

Number Theory · Mathematics 2017-11-29 David W. Farmer , Ameya Pitale , Nathan C. Ryan , Ralf Schmidt

It is proved that under some suitable conditions, the degree two functions in the Selberg class have infinitely many zeros on the critical line.

Number Theory · Mathematics 2011-02-08 Anirban Mukhopadhyay , Kotyada Srinivas , Krishnan Rajkumar

As automorphic $L$-functions or Artin $L$-functions, several classes of $L$-functions have Euler products and functional equations. In this paper we study the zeros of $L$-functions which have the Euler products and functional equations. We…

Number Theory · Mathematics 2007-05-23 Masatoshi Suzuki

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

The main objects of study in this article are two classes of Rankin-Selberg L-unctions, namely L(s, f \times g) and L(s, sym^2(g) \times sym^2(g)), where f, g are newforms, holomorphic or of Maass type, on the upper half plane, and sym^2(g)…

Number Theory · Mathematics 2007-05-23 Dinakar Ramakrishnan , Song Wang

We study, on average over f, zeros of the L-functions of primitive weight two forms of level q (fixed). We prove, on the one hand, density theorems for the zeros (similar to the results of Bombieri, Jutila, Motohashi, Selberg in the case of…

Number Theory · Mathematics 2008-02-03 Emmanuel Kowalski , Philippe Michel

We prove that the complete $L$-function associated to any cuspidal automorphic representation of $GL_2(\mathbb{A}_{\mathbb Q})$ has infinitely many simple zeros.

Number Theory · Mathematics 2019-06-05 Andrew R. Booker , Peter J. Cho , Myoungil Kim

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 show that central zeros of $L$-functions in the Selberg class have a probabilistic interpretation by stating an equivalence condition of the Riemann hypothesis for the $L$-functions in terms of infinitely divisible distributions.

Number Theory · Mathematics 2023-07-06 Takashi Nakamura , Masatoshi Suzuki

For a wide class of Dirichlet series associated to automorphic forms, we show that those without Euler products must have zeros within the region of absolute convergence. For instance, we prove that if f is a classical holomorphic modular…

Number Theory · Mathematics 2018-06-19 Andrew R. Booker , Frank Thorne

Assuming the generalized Riemann hypothesis, we prove quantitative estimates for the number of simple zeros on the critical line for the L-functions attached to classical holomorphic newforms.

Number Theory · Mathematics 2021-08-06 Micah B. Milinovich , Nathan Ng

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

In this work, we establish a zero density result for the Rankin-Selberg $L$-functions. As an application, we apply it to distinguish the holomorphic Hecke eigenforms for $\operatorname{SL}_2(\mathbb{Z}).$

Number Theory · Mathematics 2023-01-31 Zhining Wei

We present an overview of bounds on zeros of $L$-functions and obtain some improvements under weak conjectures related to the Goldbach problem.

Number Theory · Mathematics 2020-11-04 Gautami Bhowmik , Karin Halupczok

The (Deuring-Heilbronn-) Linnik phenomenon is extended to L-functions associated with real analytic automorphic forms. The repelling effect of exceptional zeros of Dirichlet L-functions are felt not only by those L-functions themselves but…

Number Theory · Mathematics 2012-09-14 Yoichi Motohashi
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