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An interplay between the Lambert series and Euler's Pentagonal Number Theorem gives an Euler-type recurrence relation for any given arithmetical function. As consequences of this, we present Euler-type recurrence relations for some…

Number Theory · Mathematics 2025-10-03 A. David christopher

In this work we investigate the asymptotics for Euler's $q$-Exponential $E_{q}(z)$, $q$-Gamma function $\Gamma_{q}(z)$, Ramanujan's function $A_{q}(z)$, Jackson's $q$-Bessel function $J_{\nu}^{(2)}$(z;q) of second kind, Stieltjes-Wigert…

Classical Analysis and ODEs · Mathematics 2007-05-23 Ruiming Zhang

In this paper we obtain some new transformation formula for Ramanujan summation formula and also establish some eta-function identities. we also deduce a q-Gamma function identity, n q-integral and some interesting series representation.

Number Theory · Mathematics 2007-05-23 C. Adiga , N. Anitha , T. Kim

The main purpose of this paper is to introduce and investigate a class of generalized Bernoulli polynomials and Euler polynomials based on the generating function. we unify all forms of q-exponential functions by one more parameter. we…

Complex Variables · Mathematics 2018-10-24 N. I. Mahmudov , Mohammad Momenzadeh

We prove new exact formulas for the generalized sum-of-divisors functions, $\sigma_{\alpha}(x) := \sum_{d|x} d^{\alpha}$. The formulas for $\sigma_{\alpha}(x)$ when $\alpha \in \mathbb{C}$ is fixed and $x \geq 1$ involves a finite sum over…

Number Theory · Mathematics 2019-04-23 Maxie D. Schmidt

In the first part we establish a connection between the Euler-Maclaurin summation formula and the Rota-Baxter functional equation. In the second part we give a simple proof of a formula, due to Ramanujan, on the summation of certain…

Classical Analysis and ODEs · Mathematics 2007-11-14 Oleg Ogievetsky , Vadim Schechtman

We prove new variants of the Lambert series factorization theorems studied by Merca and Schmidt (2017) which correspond to a more general class of Lambert series expansions of the form $L_a(\alpha, \beta, q) := \sum_{n \geq 1} a_n q^{\alpha…

Number Theory · Mathematics 2017-12-05 Mircea Merca , Maxie D. Schmidt

In this paper we define the generalized q-analogues of Euler sums and present a new family of identities for q-analogues of Euler sums by using the method of Jackson q-integral rep- resentations of series. We then apply it to obtain a…

Number Theory · Mathematics 2017-10-24 Zhonghua Li , Ce Xu

In this paper we introduce and study a family $\Phi_k$ of arithmetic functions generalizing Euler's totient function. These functions are given by the number of solutions to the equation $\gcd(x_1^2+\ldots +x_k^2, n)=1$ with $x_1,\ldots,x_k…

Number Theory · Mathematics 2014-06-26 Catalina Calderon , Jose Maria Grau , A. Oller-Marcen , László Tóth

In this article we generalize the $q$-difference operator due to Carlitz in order to derive explicit sum formulae for several extensions of Stirling numbers of the second kind, including complete homogeneous symmetric functions,…

Combinatorics · Mathematics 2024-04-29 Josef Küstner

We consider relationships between classical Lambert series, multiple Lambert series and classical $q$-series of the Rogers-Ramanujan type. We conclude with a contemplation on the Andrews-Dixit-Schultz-Yee conjecture.

Number Theory · Mathematics 2025-06-24 Tewodros Amdeberhan , George E. Andrews , Cristina Ballantine

We give a complete and elementary proofs of "Jordan's sums" and study Euler's types sums. In particular we give a formula for the sum of series with same weight, which is similar to this one of classical 2-Euler's sums.

Number Theory · Mathematics 2013-02-01 Guy Bastien

In the present work, we introduce the Lambert-Tsallis Wq function. It is a generalization of the Lambert W function, that solves the equation Wq(x)expq(Wq(x)) = x, where expq(x) is the q-exponential used by Tsallis in nonextensive…

Statistical Mechanics · Physics 2019-05-01 G. B. da Silva , R. V. Ramos

The purpose of this paper is to give some explicit formulas involving M\"obius functions, which may be known under the generalized Riemann Hypothesis, but unconditional in this paper. Concretely, we prove explicit formulas of partial sums…

Number Theory · Mathematics 2018-05-15 Shōta Inoue

We obtain an upper bound for the sum $\sum_{n\leq N} (a_{n}/\varphi (a_{n}))^{s}$, where $\varphi$ is Euler's totient function, $s\in \mathbb{N}$, and $a_{1},\ldots, a_{N}$ are positive integers (not necessarily distinct) with some…

Number Theory · Mathematics 2026-03-09 Artyom Radomskii

Using a general $q$-series expansion, we derive some nontrivial $q$-formulas involving many infinite products. A multitude of Hecke--type series identities are derived. Some general formulas for sums of any number of squares are given. A…

Number Theory · Mathematics 2018-05-15 Zhi-Guo Liu

We use a generalized Lambert series identity due to the first author to present q-series proofs of recent results of Imamoglu, Raum and Richter concerning recursive formulas for the coefficients of two 3rd order mock theta functions.…

Number Theory · Mathematics 2021-02-04 Song Heng Chan , Renrong Mao , Robert Osburn

Recently, Juyal, Maji, and Sathyanarayana have studied a Lambert series associated with a cusp form over the full modular group and the M\"{o}bius function. In this paper, we investigate the Lambert series…

Number Theory · Mathematics 2021-09-27 Bibekananda Maji , Sumukha Sathyanarayana , B. R. Shankar

We give explicit expressions (or at least an algorithm of obtaining such expressions) of the coefficients of the Laurent series expansions of the Euler-Zagier multiple zeta-functions at any integer points. The main tools are the…

Number Theory · Mathematics 2016-01-25 Kohji Matsumoto , Tomokazu Onozuka , Isao Wakabayashi

In this paper, we obtain some formulas for double nonlinear Euler sums involving harmonic numbers and alternating harmonic numbers. By using these formulas, we give new closed form sums of several quadratic Euler series through Riemann zeta…

Number Theory · Mathematics 2017-01-16 Ce Xu