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Recently, Andrews and Dastidar introduced the partition function $SOME(n)$, defined as the sum of all the odd parts in the partitions of $n$ minus the sum of all the even parts in the partitions of $n$. They derived its generating function…

Combinatorics · Mathematics 2026-03-16 D. S. Gireesh , B. Hemanthkumar

In this paper we present an extension of Stanley's theorem related to partitions of positive integers. Stanley's theorem states a relation between "the sum of the numbers of distinct members in the partitions of a positive integer $n$" and…

Discrete Mathematics · Computer Science 2010-12-30 Manosij Ghosh Dastidar , Sourav Sen Gupta

We continue our study of a basic but seemingly intractable problem in integer partition theory, namely the conjecture that $p(n)$ is odd exactly $50\%$ of the time. Here, we greatly extend on our previous paper by providing a…

Combinatorics · Mathematics 2018-03-28 Samuel D. Judge , Fabrizio Zanello

Andrews investigated parity conditions in the Rogers-Ramanujan-Gordon theorem. Under the conditions that even parts or odd parts appear an even number of times, Andrews discovered two Rogers-Ramanujan-Gordon type partition theorems and…

Combinatorics · Mathematics 2026-05-07 Robert X. J. Hao , Xiaorui Niu , Doris D. M. Sang , Diane Y. H. Shi

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

In this paper we give a combinatorial proof and refinement of a Rogers-Ramanujan type partition identity of Siladi\'c arising from the study of Lie algebras. Our proof uses generating functions and $q$-difference equations.

Combinatorics · Mathematics 2013-07-12 Jehanne Dousse

Extending the partition function multiplicatively to a function on partitions, we show that it has a unique maximum at an explicitly given partition for any $n\neq 7$. The basis for this is an inequality for the partition function which…

Combinatorics · Mathematics 2014-04-08 Christine Bessenrodt , Ken Ono

We prove and conjecture some new symmetric function identities, which equate the generating series of 1. Plane partitions, subject to certain restrictions and weightings, and 2. Alternating sign matrices, subject to certain symmetry…

Combinatorics · Mathematics 2015-09-18 Dan Betea , Michael Wheeler

The original Beck conjecture, now a theorem due to Andrews, states that the difference in the number of parts in all partitions into odd parts and the number of parts in all strict partitions is equal to the number of partitions whose set…

Combinatorics · Mathematics 2021-01-21 Cristina Ballantine , Amanda Welch

The study of partitions with parts separated by parity was initiated by Andrews in connection with Ramanujan's mock theta functions, and his variations on this theme have produced generating functions with a large variety of different…

Combinatorics · Mathematics 2024-03-04 Kathrin Bringmann , William Craig , Caner Nazaroglu

Recently, Hirschhorn and Sellers defined the partition function $a_r(n)$, which counts the number of partitions of $n$ wherein even parts come in only one color, while the odd parts may appear in one of $r$-colors for fixed $r\ge1$. The aim…

Number Theory · Mathematics 2025-11-19 M. P. Thejitha , S. N. Fathima

It is observed that the conjugacy growth series of the infinite fini-tary symmetric group with respect to the generating set of transpositions is the generating series of the partition function. Other conjugacy growth series are computed,…

Group Theory · Mathematics 2016-06-16 Roland Bacher , Pierre De La Harpe

We prove a partition identity conjectured by Lassalle (Adv. in Appl. Math. 21 (1998), 457-472).

Combinatorics · Mathematics 2007-05-23 Theresia Eisenkölbl

Recently, Wang and Ma propose a conjecture associated with the possible generalization of Andrews-Warnaar identities. It is confirmed in this paper. As the applications of this conjecture, we prove that a family of series can be expressed…

Combinatorics · Mathematics 2019-09-26 Chuanan Wei

This paper has a two-fold purpose. First, by considering a reformulation of a deep theorem of G\"ollnitz, we obtain a new weighted partition identity involving the Rogers-Ramanujan partitions, namely, partitions into parts differing by at…

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

In this note, we present a curious $q$-series identity with applications to certain partitions with bounded part differences.

Combinatorics · Mathematics 2018-05-23 Shane Chern

Basis partitions are minimal partitions corresponding to successive rank vectors. We show combinatorially how basis partitions can be generated from primary partitions which are equivalent to the Rogers-Ramanujan partitions. This leads to…

Combinatorics · Mathematics 2025-11-21 Krishnaswami Alladi

For a positive integer $r$, George Andrews proved that the set of partitions of $n$ in which odd multiplicities are at least $2r + 1$ is equinumerous with the set of partitions of $n$ in which odd parts are congruent to $2r + 1$ modulo $4r…

Combinatorics · Mathematics 2022-12-29 Darlison Nyirenda

In this paper, we show that the difference between the number of parts in the odd partitions of $n$ and the number of parts in the distinct partitions of $n$ satisfies Euler's recurrence relation for the partition function $p(n)$ when $n$…

Combinatorics · Mathematics 2020-05-08 Mircea Merca

A new combinatorial object is introduced, the part-frequency matrix sequence of a partition, which is elementary to describe and is naturally motivated by Glaisher's bijection. We prove results that suggest surprising usefulness for such a…

Combinatorics · Mathematics 2016-01-06 William J. Keith
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