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For $n$ and $k$ integers we introduce the notion of some partition of $n$ being able to generate another partition of $n$. We solve the problem of finding the minimum size partition for which the set of partitions this partition can…

Combinatorics · Mathematics 2019-09-23 Bo Jones , John Gunnar Carlsson

We investigate some weighted integer partitions whose generating functions are double-series. We will establish closed formulas for these $q$-double series and deduce that their coefficients are non-negative. This leads to inequalities…

Number Theory · Mathematics 2025-07-15 George E. Andrews , Mohamed El Bachraoui

This work is about a partition problem which is an instance of the distance magic graph labeling problem. Given positive integers $n,k$ and $p_1\le p_2\le \cdots\le p_k$ such that $p_1+\cdots+p_k=n$ and $k$ divides $\sum_{i=1}^ni$, we study…

Combinatorics · Mathematics 2024-01-03 Ehab Ebrahem , Shlomo Hoory , Dani Kotlar

Let $r\geq 1$ be an integer, $\mathbf a=(a_1,\ldots,a_r)$ a vector of positive integers and let $D\geq 1$ be a common multiple of $a_1,\ldots,a_r$. In a continuation of a previous paper we prove that, if $D=1$ or $D$ is a prime number, the…

Number Theory · Mathematics 2024-05-01 Mircea Cimpoeas

Motivated by a partition inequality of Bessenrodt and Ono, we obtain analogous inequalities for $k$-colored partition functions $p_{-k}(n)$ for all $k\geq2$. This enables us to extend the $k$-colored partition function multiplicatively to a…

Combinatorics · Mathematics 2017-12-21 Shane Chern , Shishuo Fu , Dazhao Tang

Let $B_{k,i}(n)$ be the number of partitions of $n$ with certain difference condition and let $A_{k,i}(n)$ be the number of partitions of $n$ with certain congruence condition. The Rogers-Ramanujan-Gordon theorem states that…

Combinatorics · Mathematics 2014-02-26 William Y. C. Chen , Doris D. M. Sang , Diane Y. H. Shi

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

Answering a question of Cameron, Pretzel and Siemons proved that every integer partition of $n\ge 2(k+3)(k+1)$ can be reconstructed from its set of $k$-deletions. We describe a new reconstruction algorithm that lowers this bound to $n\ge…

Combinatorics · Mathematics 2008-06-24 Vincent Vatter

In this work, we study type B set partitions for a given specific positive integer $k$ defined over $\langle n\rangle=\{-n, -(n-1),\cdots -1,0,1,\cdots n-1,n\}$. We found a few generating functions of type B analogue for some of the set…

Combinatorics · Mathematics 2024-04-24 Amrita Acharyya

Andrews, Lewis and Lovejoy introduced the partition function PD(n) as the number of partitions of $n$ with designated summands, where we assume that among parts with equal size, exactly one is designated. They proved that PD(3n+2) is…

Combinatorics · Mathematics 2012-08-13 William Y. C. Chen , Kathy Q. Ji , Hai-Tao Jin , Erin Y. Y. Shen

In his important 1920 paper on partitions, MacMahon defined the partition generating functions \begin{align*} A_k(q)=\sum_{n=1}^{\infty}\mathfrak{m}(k;n)q^n&:=\sum_{0< s_1<s_2<\cdots<s_k}…

Combinatorics · Mathematics 2024-05-20 Ken Ono , Ajit Singh

The generating function for the number of purely crossing partitions of {1,...,n} is found in terms of the generating function for Bell numbers. Further results about generating functions for asymptotic moments of certain random Vandermonde…

Combinatorics · Mathematics 2016-02-16 Kenneth J. Dykema

The restricted partition function $p_{N}(n)$ counts the partitions of $n$ into at most $N$ parts. In the nineteenth century Sylvester showed that these partitions can be expressed as a sum of $k$-periodic quasi-polynomials ($1\leq k\leq N$)…

Number Theory · Mathematics 2023-02-22 N. Uday Kiran

We investigate the number $N_{d,r}(s)$ of $(s, s+r)$-core integer partitions with $d$-distinct parts. Our first main result is a proof of a recurrence relation conjectured by Sahin in 2018. We also derive generating functions, asymptotics,…

Combinatorics · Mathematics 2019-08-19 Noah Kravitz

We present several conjectures on the behavior and clustering properties of Jack polynomials at \emph{negative} parameter $\alpha=-\frac{k+1}{r-1}$, of partitions that violate the $(k,r,N)$ admissibility rule of Feigin \emph{et. al.}…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 B. Andrei Bernevig , F. D. M. Haldane

It was shown by V. Bergelson that any set B with positive upper multiplicative density contains nicely intertwined arithmetic and geometric progressions: For each positive integer k there exist integers a,b,d such that $ {b(a+id)^j:i,j…

Combinatorics · Mathematics 2014-02-26 Mathias Beiglböck

MacMahon showed that the generating function for partitions into at most $k$ parts can be decomposed into a partial fractions-type sum indexed by the partitions of $k$. In this present work, a generalization of MacMahon's result is given,…

Combinatorics · Mathematics 2019-12-23 Andrew V. Sills

We describe a generating tree approach to the enumeration and exhaustive generation of k-nonnesting set partitions and permutations. Unlike previous work in the literature using the connections of these objects to Young tableaux and…

Combinatorics · Mathematics 2014-02-11 Sophie Burrill , Sergi Elizalde , Marni Mishna , Lily Yen

Partition of unities appear in many places in analysis. Typically they are generated by compactly supported functions with a certain regularity. In this paper we consider partition of unities obtained as integer-translates of entire…

Functional Analysis · Mathematics 2013-08-27 Ole Christensen , Hong Oh Kim , Rae Young Kim

The number of parts in the partitions (resp. distinct partitions) of $n$ with parts from a set were considered. Its generating functions were obtained. Consequently, we derive several recurrence identities for the following functions: the…

Number Theory · Mathematics 2025-09-29 A. David Christopher