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We present outlines of a general method to reach certain kinds of $q$-multiple sum identities. Throughout our exposition, we shall give generalizations to the results given by Dilcher, Prodinger, Fu and Lascoux, Zeng, and Guo and Zhang…

Combinatorics · Mathematics 2025-06-09 Aung Phone Maw

We give generalizations of a finite version of Euler's pentagonal number theorem and of a q-identity of Gauss.

Combinatorics · Mathematics 2007-05-23 Johann Cigler

We give new generalizations of some q-series identities of Dilcher and Prodinger related to divisor functions. Some interesting special cases are also deduced, including an identity related to overpartitions studied by Corteel and Lovejoy.

Combinatorics · Mathematics 2012-04-10 Victor J. W. Guo , Cai Zhang

We give a Newton type rational interpolation formula (Theorem \ref{theo}). It contains as a special case the original Newton interpolation, as well as the recent interpolation formula of Zhi-Guo Liu, which allows to recover many important…

Combinatorics · Mathematics 2016-09-07 Amy M. Fu , Alain Lascoux

Using basic hypergeometric functions and partial fraction decomposition we give a new kind of generalization of identities due to Uchimura, Dilcher, Van Hamme, Prodinger, and Chen-Fu related to divisor functions. An identity relating…

Combinatorics · Mathematics 2020-08-25 Victor J. W. Guo , Jiang Zeng

We continue the work of S. Tikhonov, E. Liflyand, B. Booton, and others, proving the equivalence of L(p,q)-norms of general monotone functions and of their Fourier transforms. The main tool in this work is the interpolation properties of…

Classical Analysis and ODEs · Mathematics 2014-10-28 S. M. Grigoriev , Y. Sagher , T. R. Savage

We give generalizations and simple proofs of some $q$-identities of Dilcher, Fu and Lascoux related to divisor functions.

Combinatorics · Mathematics 2007-05-23 Jiang Zeng

In this article, a $q$-series examined by Kluyver and Uchimura is generalized. This allows us to find generalization of the identities in the random acyclic digraph studied by Simon, Crippa, and Collenberg in 1993. As one of the corollaries…

Number Theory · Mathematics 2020-12-22 Rajat Gupta , Rahul Kumar

We present several identities with a form of polynomials or rational functions that involve Pochhammer and q-Pochhammer symbols and q-binomials (i.e. Gauss polynomials). All these identities were obtained by some analytical methods based on…

Analysis of PDEs · Mathematics 2025-05-02 Paweł J. Szabłowski

The aim of this short note is to show how can be derived from the properties of fundamental interpolation polynomials some nice identities.

History and Overview · Mathematics 2014-12-23 Sorin G. Gal

We give explicit formulas as well as a quadratic time algorithm to solve (so called) generalized Vandermonde's systems of p linear equations and n variables. It allows in particular to find all (so called Lagrange's) interpolation polynoms…

Numerical Analysis · Mathematics 2007-09-14 Jean-Philippe Preaux , Jacques Raout

In this paper, by the technique of inverse relations and comparing coefficients, we establish some generalized forms of Andrews' q-series identity and two new Bailey pairs and q-identities closely related to Andrews-Warnaar's sum identity…

Combinatorics · Mathematics 2026-03-31 Qi Chen

We establish new product identities involving the $q$-analogue of the Fibonacci numbers. We show that the identities lead to alternate expressions of generating functions for close-packed dimers on non-orientable surfaces.

Statistical Mechanics · Physics 2009-11-07 W. T. Lu , F. Y. Wu

We provide an exposition of q-identities with multiple sums related to divisor functions given by Dilcher, Prodinger, Fu and Lascoux, Zeng, Guo and Zhang. Meanwhile, for each of these identities, a more powerful statement will be derived…

Combinatorics · Mathematics 2024-08-05 Aung Phone Maw

Some generalized multi-sum Chu-Vandermonde identities are presented and proved, generalizing some known multi-sum Chu-Vandermonde identities from literature and adding some quadratic and cubic examples of these identities. Some other…

Combinatorics · Mathematics 2022-02-18 M. J. Kronenburg

We present a generalization of the Newton-Girard identities, along with some applications. As an addendum, we collect many evaluations of symmetric polynomials to which these identities apply.

Number Theory · Mathematics 2019-01-25 Tanay Wakhare

Recently N.Jing discovered a certain combinatorial identity from validity of the Serre relations in some vertex representations of quantum Kac-Moody algebras. We generalize this identity, in particular, extending it from polynomials to…

Quantum Algebra · Mathematics 2007-05-23 Vitaly Tarasov

Given a convergent sequence of nodes we present a one-dimensional-holomorphic-function version of the Newton interpolation method of polynomials. It also generalises the Taylor and the Laurent formula. In other words, we present an…

Complex Variables · Mathematics 2012-02-28 Tomasz Sobieszek

Dumont has conjectured a marvellous identity, which generalizes, in particular, the classical results of Lagrange, Gauss, Jacobi and Kronecker on the sums of two, three and four squares. We give a combinatorial proof of Dumont's conjecture.

Number Theory · Mathematics 2007-05-23 Bodo Lass

We obtain a three-parameter $q$-series identity that generalizes two results of Chan and Mao. By specializing our identity, we derive new results of combinatorial significance in connection with $N(r, s, m, n)$, a function counting certain…

Combinatorics · Mathematics 2022-01-19 Atul Dixit , Ankush Goswami
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