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The motion in the complex plane of the zeros to various zeta functions is investigated numerically. First the Hurwitz zeta function is considered and an accurate formula for the distribution of its zeros is suggested. Then functions which…

Mathematical Physics · Physics 2007-05-23 Hans Frisk , Serge de Gosson

An extension of two finite trigonometric series is studied to derive closed form formulae involving the Hurwitz-Lerch zeta function. The trigonometric series involves angles with a geometric series involving the powers of 3. These closed…

Number Theory · Mathematics 2025-05-22 Robert Reynolds

We present a unified approach which gives completely elementary proofs of three weighted sum formulae for double zeta values. This approach also leads to new evaluations of sums relating to the harmonic numbers, the alternating double zeta…

Number Theory · Mathematics 2012-06-13 James Wan

Four propositions are considered concerning the relationship between the zeros of two combinations of the Riemann zeta function and the function itself. The first is the Riemann hypothesis, while the second relates to the zeros of a…

Number Theory · Mathematics 2020-03-31 R. C. McPhedran

An explicit identity of sums of powers of complex functions presented via this a closed-form formula of Riemann zeta function produced at any given non-zero complex numbers. The closed-form formula showed us Riemann zeta function has no…

General Mathematics · Mathematics 2020-03-09 Dagnachew Jenber Negash

We prove an estimate for the number of lattice points lying in certain non-convex Euclidean domains of interest in Diophantine approximation. As an application, we generalise a result of Kruse (1964) concerning the almost sure order of…

Number Theory · Mathematics 2025-11-11 Reynold Fregoli

In this paper we improve a result on the order of magnitude of certain cotangent sums associated to the Estermann and the Riemann zeta functions.

Classical Analysis and ODEs · Mathematics 2016-06-27 Helmut Maier , Michael Th. Rassias

Relying on the Hurwitz formula, we find sums of the series over sine and cosine functions through the Hurwitz zeta function. Using another summation formula for these trigonometric series, we find finite sums of some series over the Riemann…

Number Theory · Mathematics 2024-07-19 Slobodan B. Tričković , Miomir S. Stanković

We give an explicit representation for the sums of multiple zeta-star values of fixed weight and height in terms of Riemann zeta values.

Number Theory · Mathematics 2007-05-23 Takashi Aoki , Yasuo Ohno

We derive and prove an explicit formula for the sum of the fractional parts of certain geometric series. Although the proof is straightforward, we have been unable to locate any reference to this result. This summation formula allows us to…

Dynamical Systems · Mathematics 2021-09-15 J. J. P. Veerman , L. S. Fox , P. J. Oberly

In this paper, we focus on the existence of accumulation points of the subset defined by the real projection of the zeros of the partial sums of the Riemann zeta functions. That would imply the existence of an infinite amount of zeros of…

Complex Variables · Mathematics 2011-02-15 Eric Dubon , Gaspar Mora , Juan Matías Sepulcre , Jose Ignacio Úbeda , Tomas Vidal

We evaluate in closed form several classes of finite trigonometric sums. Two general methods are used. The first is new and involves sums of roots of unity. The second uses contour integration and extends a previous method used by two of…

Number Theory · Mathematics 2022-10-04 Bruce C. Berndt , Sun Kim , Alexandru Zaharescu

An asymptotic expansion formula of Riemann sums over lattice polytopes is given. The formula is an asymptotic form of the local Euler-Maclaurin formula due to Berline-Vergne. The proof given here for Delzant lattice polytopes is independent…

Combinatorics · Mathematics 2017-11-15 Tatsuya Tate

This analysis which uses new mathematical methods aims at proving the Riemann hypothesis and figuring out an approximate base for imaginary non-trivial zeros of zeta function at very large numbers, in order to determine the path that those…

General Mathematics · Mathematics 2016-12-09 Murad Ahmad Abu Amr

This paper is divided into two independent parts. The first part presents new integral and series representations of the Riemaan zeta function. An equivalent formulation of the Riemann hypothesis is given and few results on this formulation…

General Mathematics · Mathematics 2015-03-14 Lazhar Fekih-Ahmed

Let $\gamma$ denote the imaginary parts of complex zeros $\rho = \beta+i\gamma$ of $\zeta(s)$. The problem of analytic continuation of the function $G(s) := \sum\limits_{\gamma > 0}\gamma^{-s}$ to the left of the line $\Re s = -1$ is…

Number Theory · Mathematics 2018-08-07 Andriy Bondarenko , Aleksandar Ivić , Eero Saksman , Kristian Seip

Hardy's theorem for the Riemann zeta-function $\zeta(s)$ says that it admits infinitely many complex zeros on the line $\Re({s}) = \frac{1}{2}$. In this note, we give a simple proof of this statement which, to the best of our knowledge, is…

Number Theory · Mathematics 2016-06-03 Usha K. Sangale

Assuming the Riemann Hypothesis we obtain an upper bound for the moments of the Riemann zeta-function on the critical line. Our bound is nearly as sharp as the conjectured asymptotic formulae for these moments. The method extends to moments…

Number Theory · Mathematics 2008-02-09 K. Soundararajan

We prove an explicit integral formula for computing the product of two shifted Riemann zeta functions everywhere in the complex plane. We show that this formula implies the existence of infinite families of exact exponential sum identities…

Number Theory · Mathematics 2023-11-15 Maria Nastasescu , Nicolas Robles , Bogdan Stoica , Alexandru Zaharescu

To obtain the Dirichlet series for complex powers of the Riemann zeta function, we define and study the basic properties of a sequence of polynomials that, used as coefficients of the respective terms of the Dirichlet series of the Riemann…

Number Theory · Mathematics 2021-04-14 Winston Alarcón Athens