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Related papers: An Addendum to Plouffe's Ramanujan Identities

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We define a new kind of classical digamma function, and establish its some fundamental identities. Then we apply the formulas obtained, and extend tools developed by Flajolet and Salvy to study more general Euler type sums. The main results…

Number Theory · Mathematics 2020-09-03 Ce Xu

We introduce a method that is based on Fourier series expansions related to Jacobi elliptic functions and that we apply to determine new identities for evaluating hyperbolic infinite sums in terms of the complete elliptic integrals $K$ and…

Number Theory · Mathematics 2023-01-11 John M. Campbell

The polynomial Ramanujan sum was first introduced by Carlitz [7], and a generalized version by Cohen [10]. In this paper, we study the arithmetical and analytic properties of these sums, derive various fundamental identities, such as H…

Number Theory · Mathematics 2016-12-28 Zhiyong Zheng

In this paper, we evaluate in closed forms two families of infinite integrals containing hyperbolic and trigonometric functions in their integrands. We call them Berndt-type integrals since he initiated the study of similar integrals. We…

Number Theory · Mathematics 2024-04-23 Ce Xu , Jianqiang Zhao

This paper explores closed-form expressions for some polylogarithm integrals with integrands containing five parameters. These closed form expressions are given in terms of the Lerch transcendent function, which reduces, in some cases, to…

Classical Analysis and ODEs · Mathematics 2025-07-08 Ali Olaikhan

Euler's sum formula and its multi-variable and weighted generalizations form a large class of the identities of multiple zeta values. In this paper we prove a family of identities involving Bernoulli numbers and apply them to obtain…

Number Theory · Mathematics 2015-10-15 Li Guo , Peng Lei , Jianqiang Zhao

We give a simple proof and a multivariable generalization of an identity due to E. Alkan concerning a weighted average of the Ramanujan sums. We deduce identities for other weighted averages of the Ramanujan sums with weights concerning…

Number Theory · Mathematics 2014-09-23 László Tóth

Recently, Simon Plouffe has discovered a number of identities for the Riemann zeta function at odd integer values. These identities are obtained numerically and are inspired by a prototypical series for Apery's constant given by Ramanujan:…

Number Theory · Mathematics 2011-08-09 Linas Vepstas

We establish some new bilateral double-sum Rogers-Ramanujan identities involving parameters. As applications, these identities yield several new multi-sum Rogers-Ramanujan type identities. Our proofs utilize the theory of basic…

Combinatorics · Mathematics 2026-04-21 Dandan Chen , Tianjian Xu

This paper presents an approach to summing a few families of infinite series involving hyperbolic functions, some of which were first studied by Ramanujan. The key idea is based on their contour integral representations and residue…

Number Theory · Mathematics 2024-09-27 Ce Xu , Jianqiang Zhao

A generalization of the classical Lipschitz summation formula is proposed. It involves new polylogarithmic rational functions constructed via the Fourier expansion of certain sequences of Bernoulli--type polynomials. Related families of…

Number Theory · Mathematics 2007-12-16 Stefano Marmi , Piergiulio Tempesta

In this paper, we prove two structural theorems on the general Berndt-type integrals with the denominator having arbitrary positive degrees by contour integrations involving hyperbolic and trigonometric functions, and hyperbolic sums…

Number Theory · Mathematics 2024-01-19 Ce Xu , Jianqiang Zhao

In this paper, we consider a general form of the analogue of Ramanujan's sum in the ring of polynomials over a finite field. We first prove some multiplicative properties of such functions before considering their finite Fourier series and…

Number Theory · Mathematics 2019-09-30 J. C. Andrade , J. R. P. Hanslope

Historically, the polylogarithm has attracted specialists and non-specialists alike with its lovely evaluations. Much the same can be said for Euler sums (or multiple harmonic sums), which, within the past decade, have arisen in…

Classical Analysis and ODEs · Mathematics 2007-06-13 Jonathan M. Borwein , David M. Bradley , David J. Broadhurst , Petr Lisonek

Inspired by a famous identity of Ramanujan, we propose a general formula linearizing the convolution of Dirichlet series as the sum of Dirichlet series with modified weights; its specialization produces new identities and recovers several…

Number Theory · Mathematics 2022-02-04 Parth Chavan , Sarth Chavan , Christophe Vignat , Tanay Wakhare

We introduce the multivariable connected sum which is a generalization of Seki-Yamamoto's connected sum and prove the fundamental identity for these sums by series manipulation. This identity yields explicit procedures for evaluating…

Number Theory · Mathematics 2021-10-28 Hanamichi Kawamura , Takumi Maesaka , Shin-ichiro Seki

We study an elementary series that can be considered a relative of a series studied by Ramanujan in Part 1 of his Lost Notebooks. We derive a closed form for this series in terms of the inverse hyperbolic arctangent and the polylogarithm.…

Number Theory · Mathematics 2023-05-30 Kunle Adegoke , Robert Frontczak

In the present paper, we introduce a multiple Ramanujan sum for arithmetic functions, which gives a multivariable extension of the generalized Ramanujan sum studied by D. R. Anderson and T. M. Apostol. We then find fundamental arithmetic…

Number Theory · Mathematics 2012-12-07 Yoshinori Yamasaki

We define the generalized Dirichlet beta and Riemann zeta functions in terms of the integrals, involving powers of the hyperbolic secant and cosecant functions. The corresponding functional equations are established. Some consequences of…

Classical Analysis and ODEs · Mathematics 2024-05-07 Semyon Yakubovich

The classical Dedekind sums appear in the transformation behavior of the logarithm of the Dedekind eta-function under substitutions from the modular group. The Dedekind sums and their generalizations are defined in terms of Bernoulli…

Number Theory · Mathematics 2020-12-02 Yuankui Ma , Dae san Kim , Hyunseok Lee , Hanyoung Kim , Taekyun Kim
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