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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 a recent work, Andrews gave analytic proofs of two conjectures concerning some variations of two combinatorial identities between partitions of a positive integer into odd parts and partitions into distinct parts discovered by Beck.…

Combinatorics · Mathematics 2018-10-09 Jane Y. X. Yang

In this paper, we generalize Andrews' partitions separated by parity to overpartitions in two ways. We investigate the generating functions for 16 overpartition families whose parts are separated by parity, and we prove various $q$-series…

Number Theory · Mathematics 2026-01-14 Kathrin Bringmann , Catherine Cossaboom , William Craig

The paper introduce a new type of partitions where the largest part appears exactly once, and the remaining parts constitute a partition of that largest part. We derive the generating function associated with these partitions and…

Combinatorics · Mathematics 2025-06-16 H Kaur , M Rana

It is well known that the number of partitions into distinct even parts equals the number of $4$-regular partitions. In this paper we prove identities relating certain restricted partitions into distinct even parts with restricted…

Combinatorics · Mathematics 2024-10-04 George E. Andrews , Mohamed El Bachraoui

We present a dual of a family of partition identities of Andrews involving partitions with no repeated odd parts (among other conditions), along with an overpartition generalization that encapsulates both families. These were discovered…

Combinatorics · Mathematics 2017-03-16 Shashank Kanade , Matthew C. Russell

Based on a bijection due to Fu and Tang, we provide combinatorial proofs of several partition identities of Andrews and Merca. We also introduce two weights for partitions to extend one of these identities.

Combinatorics · Mathematics 2024-11-19 Ji-Cai Liu , Huan Liu

We give a commutative algebra viewpoint on Andrews recursive formula for the partitions appearing in "Gordon's identities", which are a generalization of Rogers-Ramanujan identities. Using this approach and differential ideals we conjecture…

Algebraic Geometry · Mathematics 2021-11-11 Pooneh Afsharijoo

Recently, $4$-regular partitions into distinct parts are connected with a family of overpartitions. In this paper, we provide a uniform extension of two relations due to Andrews for the two types of partitions. Such an extension is made…

Combinatorics · Mathematics 2023-01-27 George E. Andrews , Shane Chern

In this note we give three identities for partitions with parts separated by parity, which were recently introduced by Andrews.

Number Theory · Mathematics 2019-03-19 Kathrin Bringmann , Chris Jennings-Shaffer

We prove analytic and combinatorial identities reminiscent of Schur's classical partition theorem. Specifically, we show that certain families of overpartitions whose parts satisfy gap conditions are equinumerous with partitions whose parts…

Number Theory · Mathematics 2013-11-22 Kathrin Bringmann , Jeremy Lovejoy , Karl Mahlburg

This work follows the spirit of Andrews' series of papers on Partition Analysis. In $2011$, Savage and Sills found new sum sides for the little G\"ollnitz identities and provided their partition interpretations. It turns out that similar…

Combinatorics · Mathematics 2025-10-28 Runqiao Li

We propose and recursively prove polynomial identities which imply Capparelli's partition theorems. We also find perfect companions to the results of Andrews, and Alladi, Andrews and Gordon involving $q$-trinomial coefficients. We follow…

Number Theory · Mathematics 2019-02-18 Alexander Berkovich , Ali K. Uncu

In 2019, Andrews investigated integer partitions in which all parts of a given parity are smaller than those of the opposite parity and introduced eight partition functions based on the parity of the smaller parts and parts of a given…

Combinatorics · Mathematics 2025-12-01 Yan Fan , Ernest X. W. Xia

In this paper, we study various classes of partition functions such as those related to the parity of the number of parts, to differences of partition numbers, and to partitions with a repeated smallest part. We establish identities…

Combinatorics · Mathematics 2026-01-27 Rahul Kumar , Nargish Punia

The G\"ollnitz-Gordon-Andrews identities generalize the partition identities discovered independently by H. G\"ollnitz and B. Gordon. In this article, we present a commutative algebra proof of the G\"ollnitz-Gordon-Andrews identities. More…

Combinatorics · Mathematics 2026-04-24 Rupam Barman , Alapan Ghosh , Gurinder Singh

The restricted partitions in which the largest part is less than or equal to $N$ and the number of parts is less than or equal to $k$ were investigated by Andrews in \cite{Andrews76}. These partitions were extended recently by the author to…

Combinatorics · Mathematics 2020-06-02 Mircea Merca

In this work we define a unified generating functions for 9 different kinds of set partitions including cyclically ordered set partitions. Such generating function depends on 4 parameters. We consider property of this function and provide…

Combinatorics · Mathematics 2022-08-29 Orli Herscovici

Inspired by a number of recent papers by Corteel, Dousse, Foda, Uncu and Welsh on cylindric partitions and Rogers-Ramanujan-type identities, we obtain the $\mathrm{A}_2$ (or $\mathrm{A}_2^{(1)}$) analogues of the celebrated Andrews-Gordon…

Combinatorics · Mathematics 2023-07-04 S. Ole Warnaar

A generalization of a beautiful $q$-series identity found in the unorganized portion of Ramanujan's second and third notebooks is obtained. As a consequence, we derive a new three-parameter identity which is a rich source of…

Combinatorics · Mathematics 2018-06-15 Atul Dixit , Bibekananda Maji