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We give a series of recursive identities for the number of partitions with exactly $k$ parts and with constraints on both the minimal difference among the parts and the minimal part. Using these results we demonstrate that the number of…

Combinatorics · Mathematics 2014-01-29 Ivica Martinjak , Dragutin Svrtan

In this paper, by applying a range of classic summation and transformation formulas for basic hypergeometric series, we obtain a three-term identity for partial theta functions. It extends the Andrews-Warnaar partial theta function…

Combinatorics · Mathematics 2019-07-22 Lisa Hui Sun

We propose a method to construct a variety of partition identities at once. The main application is an all-moduli generalization of some of Andrews' results in [5]. The novelty is that the method constructs solutions to functional equations…

Combinatorics · Mathematics 2013-02-28 Kağan Kurşungöz

In 1968 and 1969, Andrews proved two partition theorems of the Rogers-Ramanujan type which generalise Schur's celebrated partition identity (1926). Andrews' two generalisations of Schur's theorem went on to become two of the most…

Combinatorics · Mathematics 2015-01-30 Jehanne Dousse

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

Given integers i,j,k,L,M, we establish a new double bounded q-series identity from which the three parameter (i,j,k) key identity of Alladi-Andrews-Gordon for Goellnitz's (big) theorem follows if L, M tend to infinity. When L = M, the…

Combinatorics · Mathematics 2007-05-23 K. Alladi , A. Berkovich

We obtain a finite analogue of a recent generalization of an identity in Ramanujan's Notebooks. Differentiating it with respect to one of the parameters leads to a result whose limiting case gives a finite analogue of Andrews' famous…

Number Theory · Mathematics 2018-12-05 Atul Dixit , Pramod Eyyunni , Bibekananda Maji , Garima Sood

In this paper we give an analytic proof of the identity $A_{5,3,3}(n) =B^0_{5,3,3}(n)$, where $A_{5,3,3}(n)$ counts the number of partitions of $n$ subject to certain restrictions on their parts, and $B^0_{5,3,3}(n)$ counts the number of…

Combinatorics · Mathematics 2008-02-12 Padmavathamma , B. M. Chandrashekara , R. Raghavendra , C. Krattenthaler

In 1984, Bressoud and Subbarao obtained an interesting weighted partition identity for a generalized divisor function, by means of combinatorial arguments. Recently, the last three named authors found an analytic proof of the aforementioned…

Combinatorics · Mathematics 2022-10-10 Archit Agarwal , Subhash Chand Bhoria , Pramod Eyyunni , Bibekananda Maji

We use the $q$-binomial theorem, the $q$-Gauss sum, and the ${}_2\phi_1 \rightarrow {}_2\phi_2$ transformation of Jackson to discover and prove many new weighted partition identities. These identities involve unrestricted partitions,…

Number Theory · Mathematics 2016-11-15 Alexander Berkovich , Ali Kemal Uncu

We find an involution as a combinatorial proof of a Ramanujan's partial theta identity. Based on this involution, we obtain a Franklin type involution for squares in the sense that the classical Franklin involution provides a combinatorial…

Combinatorics · Mathematics 2009-11-30 William Y. C. Chen , Eric H. Liu

The $k$-measure of an integer partition was recently introduced by Andrews, Bhattacharjee and Dastidar. In this paper, we establish trivariate generating function identities counting both the length and the $k$-measure for partitions and…

Combinatorics · Mathematics 2021-05-06 George E. Andrews , Shane Chern , Zhitai Li

We study a generalized class of weighted $k$-regular partitions defined by \[ \sum_{n=0}^{\infty} c_{k, r_1, r_2}(n) q^n = \prod_{n=1}^{\infty} \frac{(1 - q^{nk})^{r_1}}{(1 - q^n)^{r_2}}, \] which extends the classical $k$-regular partition…

Number Theory · Mathematics 2025-12-05 Debika Banerjee , Ben Kane

Ramanujan proved three famous congruences for the partition function modulo 5, 7, and 11. The first author and Boylan proved that these congruences are the only ones of this type. In 1984 Andrews introduced the $m$-colored Frobenius…

Number Theory · Mathematics 2025-09-16 Scott Ahlgren , Cruz Castillo

In this paper, we generalize a few important results in Integer Partitions; namely the results known as Stanley's theorem and Elder's theorem, and the congruence results proposed by Ramanujan for the partition function. We generalize the…

Discrete Mathematics · Computer Science 2011-11-02 Manosij Ghosh Dastidar , Sourav Sen Gupta

We give a new proof of Chan's identity involving the cubic partition function and we also give a new identity for the cubic partition function which is analogues to the Zuckerman's identity for the ordinary partition function.

Number Theory · Mathematics 2010-06-23 Xinhua , xiong

Ramanujan presented four identities for third order mock theta functions in his Lost Notebook. In 2005, with the aid of complex analysis, Yesilyurt first proved these four identities. Recently, Andrews et al. provided different proofs by…

Combinatorics · Mathematics 2018-12-04 Su-Ping Cui , Nancy S. S. Gu , Chen-Yang Su

We use the method of tiling to give elementary combinatorial proofs of some celebrated $q$-series identities, such as Jacobi triple product identity, Rogers-Ramanujan identities, and some identities of Rogers. We give a tiling proof of the…

Combinatorics · Mathematics 2022-05-17 Alok Shukla

By considering a limiting form of the q-Dixon_4\phi_3 summation, we prove a weighted partition theorem involving odd parts differing by >= 4. A two parameter refinement of this theorem is then deduced from a quartic reformulation of…

Combinatorics · Mathematics 2007-05-23 Krishnaswami Alladi , Alexander Berkovich

We study cylindric partitions with two-element profiles using MacMahon's partition analysis. We find explicit formulas for the generating functions of the number of cylindric partitions by first finding the recurrences using partition…

Combinatorics · Mathematics 2025-02-03 Runqiao Li , Ali K. Uncu