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Related papers: Self-conjugate $t$-core partitions and application…

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Tewodros Amdeberhan and Armin Straub initiated the study of enumerating subfamilies of the set of (s,t)-core partitions. While the enumeration of (n+1,n+2)-core partitions into distinct parts is relatively easy (in fact it equals the…

Combinatorics · Mathematics 2018-03-05 Anthony Zaleski , Doron Zeilberger

Partitions, the partition function $p(n)$, and the hook lengths of their Ferrers-Young diagrams are important objects in combinatorics, number theory and representation theory. For positive integers $n$ and $t$, we study $p_t^e(n)$ (resp.…

Number Theory · Mathematics 2022-04-19 William Craig , Anna Pun

In this work, we analyze the behavior of the self-conjugate 6-core partition numbers $sc_{6}(n)$ by utilizing the theory of quadratic and modular forms. In particular, we explore when $sc_{6}(n) > 0$. Positivity of $sc_{t}(n)$ has been…

Number Theory · Mathematics 2022-11-09 Michael Hanson , Marie Jameson

The Borel-Weil-Bott theorem can be used to decompose the cohomology of twisted sheaves of holomorphic forms on the complex Grassmannian into irreducible representations of the general linear group. By analyzing this decomposition, we…

Combinatorics · Mathematics 2026-05-11 Fern Gossow , Andrew Huchala

Let $\ell,k$ be fixed positive integers. In an earlier work, the first and third authors established a bijection between $\ell$-cores with first part equal to $k$ and $(\ell-1)$-cores with first part less than or equal to $k$. This paper…

Combinatorics · Mathematics 2008-04-10 Chris Berg , Brant Jones , Monica Vazirani

In this paper, we study $(s,s+1)$-core partitions with $d$-distinct parts. We obtain results on the number and the largest size of such partitions, so we extend Xiong's paper in which the results are obtained about $(s,s+1)$-core partitions…

Combinatorics · Mathematics 2019-11-26 Murat Sahin

For each positive integer $n$, we construct a bijection between the odd partitions and the distinct partitions of $n$ which extends Bressoud's bijection between the odd-and-distinct partitions of $n$ and the splitting partitions of $n$. We…

Combinatorics · Mathematics 2018-03-30 John Murray

Motivated by Amdeberhan's conjecture on $(t,t+1)$-core partitions with distinct parts, various results on the numbers, the largest sizes and the average sizes of simultaneous core partitions with distinct parts were obtained by many…

Combinatorics · Mathematics 2017-09-05 Huan Xiong

In this paper, we construct a bijection from a set of bounded free Motzkin paths to a set of bounded Motzkin prefixes that induces a bijection from a set of bounded free Dyck paths to a set of bounded Dyck prefixes. We also give bijections…

Combinatorics · Mathematics 2022-06-01 Hyunsoo Cho , JiSun Huh , Hayan Nam , Jaebum Sohn

For a positive integer $t$, let $b_{t}(n)$ denote the number of $t$-regular partitions of a nonnegative integer $n$. In a recent paper, Keith and Zanello established infinite families of congruences and self-similarity results modulo $2$…

Number Theory · Mathematics 2022-01-19 Ajit Singh , Rupam Barman

The study of integer partitions and their congruences dates back to 1919 when Ramanujan discovered his famous congruences for the partition function, $p(n)$. Since then, many other kinds of partition functions have been discovered, as well…

Number Theory · Mathematics 2026-03-23 Samuel Wilson

Refined versions, analytic and combinatorial, are given for classical integer partition theorems. The examples include the Rogers-Ramanujan identities, the Gollnitz-Gordon identities, Euler's odd=distinct theorem, and the Andrews-Gordon…

Combinatorics · Mathematics 2018-09-11 Kathleen O'Hara , Dennis Stanton

For positive integers $k, l \geq 2$, the set of $k$-regular partitions in which parts appear at most $l$ times has attracted a lot of interest in that a composition of Glaisher's mapping can be used to prove the associated partition…

Combinatorics · Mathematics 2023-10-31 Darlison Nyirenda , Molatelo Rapudi

This article is an extensive study of partitions with fixed number of odd and even-indexed odd parts. We use these partitions to generalize recent results of C. Savage and A. Sills. Moreover, we derive explicit formulas for generating…

Number Theory · Mathematics 2016-04-12 Alexander Berkovich , Ali Kemal Uncu

We develop a geometric approach to the study of $(s,ms-1)$-core and $(s,ms+1)$-core partitions through the associated $ms$-abaci. This perspective yields new proofs for results of H. Xiong and A. Straub (originally proposed by T.…

Combinatorics · Mathematics 2024-05-31 Rishi Nath , James A. Sellers

Using a combinatorial bijection with certain abaci diagrams, Nath and Sellers have enumerated $(s, m s \pm 1)$-core partitions into distinct parts. We generalize their result in several directions by including the number of parts of these…

Combinatorics · Mathematics 2019-10-15 Hannah E. Burson , Simone Sisneros-Thiry , Armin Straub

In this paper, we study the $n$-point function of $t$-core partitions. The main tool is the topological vertex, originally developed to study the topological string theory for toric Calabi--Yau 3-folds. By virtue of the topological vertex,…

Mathematical Physics · Physics 2026-04-17 Chenglang Yang

We prove a theorem which add a new member to Rogers-Ramanujan identities. This new member counts partitions with different type of constraints on even and odd parts. Generalizing this theorem, we obtain two family of partition identities of…

Algebraic Geometry · Mathematics 2021-11-11 Pooneh Afsharijoo

In this paper, we are mainly concerned with the enumeration of $(2k+1, 2k+3)$-core partitions with distinct parts. We derive the number and the largest size of such partitions, confirming two conjectures posed by Straub.

Combinatorics · Mathematics 2016-04-14 Sherry H. F. Yan , Guizhi Qin , Zemin Jin , Robin D. P. Zhou

Recently Andrews and Bachraoui proved identities relating certain restricted partitions into distinct even parts with restricted 4-regular partitions by the theory of basic hypergeometric series. They also posed a question regarding…

Combinatorics · Mathematics 2025-09-01 Dandan Chen , Ziyin Zou