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We establish sharp upper bounds for the $2k$th moment of the Riemann zeta function on the critical line, for all real $0 \leqslant k \leqslant 2$. This improves on earlier work of Ramachandra, Heath-Brown and Bettin-Chandee-Radziwi\l\l

Number Theory · Mathematics 2019-01-25 Winston Heap , Maksym Radziwiłł , Kannan Soundararajan

We obtain the approximate functional equation for the Rankin-Selberg zeta-function on the 1/2-line.

Number Theory · Mathematics 2013-05-14 Aleksandar Ivić

We consider the partial theta function $\theta (q,z):=\sum _{j=0}^{\infty}q^{j(j+1)/2}z^j$, where $(q,z)\in \mathbb{C}^2$, $|q|<1$. We show that for any $0<\delta _0<\delta <1$, there exists $n_0\in \mathbb{N}$ such that for any $q$ with…

Complex Variables · Mathematics 2019-05-10 Vladimir Petrov Kostov

In this paper, we obtain explicit bounds for the real part of the logarithmic derivative of the Riemann zeta-function on the line $\re s=1$, assuming the Riemann hypothesis. The proof combines the Guinand--Weil explicit formula with…

Number Theory · Mathematics 2026-02-09 Andrés Chirre , Blas Molero Ravines

The finite Dirichlet series from the title are defined by the condition that they vanish at as many initial zeroes of the zeta function as possible. It turned out that such series can produce extremely good approximations to the values of…

Number Theory · Mathematics 2021-10-26 Gleb Beliakov , Yuri Matiyasevich

In order to well understand the behaviour of the Riemann zeta function inside the critical strip, we show; among other things, the Fourier expansion of the $\zeta^k(s)$ ($k \in \mathbb{N}$) in the half-plane $\Re s > 1/2$ and we deduce a…

Number Theory · Mathematics 2025-04-16 Lahoucine Elaissaoui

For most values of parameters $\lambda$ and $\alpha$, the zeros of the Lerch zeta-function $L(\lambda, \alpha, s)$ are distributed very chaotically. In this paper we consider the special case of equal parameters $L(\lambda, \lambda, s)$ and…

Number Theory · Mathematics 2019-01-31 Ramūnas Garunkštis , Rokas Tamošiūnas

In this paper we give criteria about estimation of derivatives of the Riemann Zeta Function on the line $\sigma=1$.

Number Theory · Mathematics 2020-05-06 Yoshihiro Koya

The Riemann hypothesis states that all nontrivial zeros of the zeta function lie on the critical line $\Re(s)=1/2$. Hilbert and P\'olya suggested a possible approach to prove it, based on spectral theory. Within this context, some authors…

Mathematical Physics · Physics 2013-07-12 G. Menezes , N. F. Svaiter

By using new power inequalities we give an elementary proof of an important relation for the Riemann zeta-function |\zeta(1-s)| <= |\zeta(s)| in the strip 0< Re s<1/2,\ |\Im s| >= 12. Moreover, we establish a sufficient condition of the…

Classical Analysis and ODEs · Mathematics 2012-06-11 Sadegh Nazardonyavi , Semyon Yakubovich

We prove the Riemann Hypothesis via an analytically regulated surface integral over the critical strip of the Riemann zeta function. The key idea is that the convergence of this normalized integral is equivalent to the condition that all…

General Mathematics · Mathematics 2025-08-11 Dennis-Magnus Welz

We give a short Wiener measure proof of the Riemann hypothesis based on a surprising, unexpected and deep relation between the Riemann zeta $\zeta(s)$ and the trivial zeta $\zeta_{t}(s):=Im(s)(2Re(s)-1)$.

General Mathematics · Mathematics 2007-09-11 Andrzej Madrecki

We provide explicit upper bounds of the order $\log t/\log\log t$ for $|\zeta'(s)/\zeta(s)|$ and $|1/\zeta(s)|$ when $\sigma$ is close to $1$. These improve existing bounds for $\zeta(s)$ on the $1$-line.

Number Theory · Mathematics 2024-06-27 Michaela Cully-Hugill , Nicol Leong

We use expansions with functions related to some special functions such as Hermite or Laguerre to get some conjectural expansions of the Riemann Zeta function in the critical strip involving a set of polynomials which have their zeros on…

Number Theory · Mathematics 2018-05-25 B. Candelpergher

We show that there are an infinite number of Riemann zeros on the critical line, enumerated by the positive integers $n=1,2,\dotsc$, whose ordinates can be obtained as the solution of a new transcendental equation that depends only on $n$.…

Number Theory · Mathematics 2014-03-12 Guilherme França , André LeClair

The properties of several functions are employed to investigate the zeros of the Riemann zeta function $\zeta(a+bi)$ $(0<a<1, b\neq 0)$. If the zeros of the zeta function have not the form $\frac{1}{2}+ib$ where $i=\sqrt{-1}$, we derive a…

General Mathematics · Mathematics 2024-07-31 Shaoyong Lai

It is commonly believed that the normalized gaps between consecutive ordinates $t_n$ of the zeros of the Riemann zeta function on the critical line can be arbitrarily large. In particular, drawing on analogies with random matrix theory, it…

Number Theory · Mathematics 2017-05-29 André LeClair

The main aim of this paper is twofold. First we generalize, in a novel way, most of the known non-vanishing results for the derivatives of the Riemann zeta function by establishing the existence of an infinite sequence of regions in the…

Number Theory · Mathematics 2023-02-13 Thomas Binder , Sebastian Pauli , Filip Saidak

By employing the assessment of the asymptotic size of various sums of G\'{a}l studied by La Bret\`eche and Tenenbaum, we provide an improvement on the recent result of A. Bondarenko, P. Darbar, M. V. Hagen, W. Heap, and K. Seip regarding…

Number Theory · Mathematics 2023-07-17 Patrick Nyadjo Fonga

In 1970, based on newly available empiric evidence, a remarkable monotonicity property for $| \zeta(z) |$ was conjectured by R. Spira. The $\zeta$-monotonicity property can be written as follows: $$ | \zeta (x_2 + y i ) | < | \zeta \left (…

General Mathematics · Mathematics 2017-08-31 Yochay Jerby