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Related papers: Some Separable integer partition classes

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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

We provide a bijective map from the partitions enumerated by the series side of the Rogers-Selberg mod 7 identities onto partitions associated with a special case of Basil Gordon's combinatorial generalization of the Rogers-Ramanujan…

Combinatorics · Mathematics 2018-12-14 Andrew V. Sills

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

In his paper, "On a Partition Function of Richard Stanley," George Andrews proves a certain partition identity analytically and asks for a combinatorial proof. This paper provides the requested combinatorial proof.

Combinatorics · Mathematics 2018-11-29 Andrew V. Sills

In a recent paper, Andrews and Newman extended the mex-function to integer partitions and proved many partition identities connected with these functions. In this paper, we present parity considerations of one of the families of functions…

Number Theory · Mathematics 2024-05-31 Robson da Silva , James A. Sellers

We propose and prove a new polynomial identity that implies Schur's partition theorem. We give combinatorial interpretations of some of our expressions in the spirit of Kur\c{s}ung\"oz. We also present some related polynomial and $q$-series…

Combinatorics · Mathematics 2019-03-05 Ali K. Uncu

Integer partitions express the different ways that a positive integer may be written as a sum of positive integers. Here we explore the analytic properties of a new polynomial $f_\lambda(x)$ that we call the partition polynomial for the…

Number Theory · Mathematics 2022-06-14 Madeline Locus Dawsey , Tyler Russell , Dannie Urban

This article investigates structural connections between unrefinable partitions into distinct parts and numerical semigroups. By analysing the hooksets of Young diagrams associated with numerical sets, new criteria for recognising…

Combinatorics · Mathematics 2026-01-16 Lorenzo Campioni

Recently, Pankaj Jyoti Mahanta and Manjil P. Saikika proved some identities relating certain restricted partitions into distinct odd parts with the partition whose odd parts are distinct combinatorially. They asked for the q-series proofs.…

Combinatorics · Mathematics 2025-04-29 Yong-Chao Shen

In 2002, Andrews, Lewis, and Lovejoy introduced the combinatorial objects which they called \emph{partitions with designated summands}. These are built by taking unrestricted integer partitions and designating exactly one of each occurrence…

Number Theory · Mathematics 2025-05-28 Shane Chern , James A. Sellers

We study a family of inhomogeneous Ising chain models along with an equivalent family of nearest neighbour particle systems. By the correspondence between the two families we prove identities of combinatorial significance relating to…

Probability · Mathematics 2024-01-30 Jessica Jay , Benjamin Lees

Ramanujan (and others) proved that the partition function satisfies a number of striking congruences modulo powers of 5, 7 and 11. A number of further congruences were shown by the works of Atkin, O'Brien, and Newman. In this paper we prove…

Number Theory · Mathematics 2007-05-23 Ken Ono

We construct an evidently positive multiple series as a generating function for partitions satisfying the multiplicity condition in Schur's partition theorem. Refinements of the series when parts in the said partitions are classified…

Combinatorics · Mathematics 2019-02-21 Kağan Kurşungöz

The injective polynomial modules for a general linear group $G$ of degree $n$ are labelled by the partitions with at most $n$ parts. Working over an algebraically closed field of characteristic $p$, we consider the question of which…

Representation Theory · Mathematics 2017-04-11 Stephen Donkin , Haralampos Geranios

In a series of papers the first author and Ono connected the rank, a partition statistic introduced by Dyson, to weak Maass forms, a new class of functions which are related to modular forms. Naturally it is of wide interest to find other…

Number Theory · Mathematics 2007-08-07 Kathrin Bringmann , Jeremy Lovejoy

We introduce a family of univariate polynomials indexed by integer partitions. At prime powers, they count the number of subspaces in a finite vector space that transform under a regular diagonal matrix in a specified manner. This…

Combinatorics · Mathematics 2024-09-17 Amritanshu Prasad , Samrith Ram

We consider sequences counting integer partitions in two colors (red and blue) in which the even parts occur only in blue color. We focus on subsequences defined by constraints on the parity and color of the summands. We establish formulas…

Number Theory · Mathematics 2026-05-25 George E. Andrews , Mohamed El Bachraoui

We continue a series of papers studying the parity of families of eta-quotients, which provide implications for the parity of the partition function as well as an overarching conjecture on related $q$-series. The present article focuses on…

Combinatorics · Mathematics 2026-05-22 William J. Keith , Fabrizio Zanello

In 2003, Maroti showed that one could use the machinery of l-cores and l-quotients of partitions to establish lower bounds for p(n), the number of partitions of n. In this paper we explore these ideas in the case l=2, using them to give a…

Combinatorics · Mathematics 2007-05-23 Mark Wildon

Integer partitions are one of the most fundamental objects of combinatorics (and number theory), and so is enumerating objects avoiding patterns. In the present paper we describe two approaches for the systematic counting of classes of…

Combinatorics · Mathematics 2019-10-29 Mingjia Yang , Doron Zeilberger
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