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Recently, MacMahon's generalized sum-of-divisor functions were shown to link partitions, quasimodular forms, and q-multiple zeta values. In this paper, we explore many further properties and extensions of these. Firstly, we address a…

Number Theory · Mathematics 2024-07-15 Kathrin Bringmann , William Craig , Jan-Willem van Ittersum , Badri Vishal Pandey

In this short note, we prove several new congruences for the overcubic partition triples function, using both elementary techniques and the theory of modular forms. These extend the recent list of such congruences given by Nayaka,…

Number Theory · Mathematics 2025-09-10 Manjil P. Saikia , Abhishek Sarma

Generating functions for plane overpartitions are obtained using various methods such as nonintersecting paths, RSK type algorithms and symmetric functions. We extend some of the generating functions to cylindric partitions. Also, we show…

Combinatorics · Mathematics 2010-09-17 Sylvie Corteel , Cyrille Savelief , Mirjana Vuletić

Elementary proofs are given for sums of Schur functions over partitions into at most n parts each less than or equal to m for which i) all parts are even, ii) all parts of the conjugate partition are even. Also, an elementary proof of a…

Combinatorics · Mathematics 2007-05-23 David M. Bressoud

We extend partition-theoretic work of Andrews, Bressoud, and Burge to overpartitions, defining the notions of successive ranks, generalized Durfee squares, and generalized lattice paths, and then relating these to overpartitions defined by…

Combinatorics · Mathematics 2007-05-23 Sylvie Corteel , Olivier Mallet

It is known that partial spreads is a class of bent partitions. In \cite{AM2022Be,MP2021Be}, two classes of bent partitions whose forms are similar to partial spreads were presented. In \cite{AKM2022Ge}, more bent partitions $\Gamma_{1},…

Information Theory · Computer Science 2023-01-03 Jiaxin Wang , Fang-Wei Fu , Yadi Wei

At the 1987 Ramanujan Centenary meeting Dyson asked for a coherent group-theoretical structure for Ramanujan's mock theta functions analogous to Hecke's theory of modular forms. Many of Ramanujan's mock theta functions can be written in…

Number Theory · Mathematics 2023-08-22 F. G. Garvan , Rishabh Sarma

In a recent paper, Carrell and Goulden found a combinatorial identity of the Bernstein operators that they then used to prove Bernstein's Theorem. We show that this identity is a straightforward consequence of the classical result. We also…

Combinatorics · Mathematics 2020-09-08 J. T. Hird , Naihuan Jing , Ernest Stitzinger

In this paper, motivated by the work of Mahlburg, we find congruences for a large class of modular forms. Moreover, we generalize the generating function of the Andrews-Garvan-Dyson crank on partition and establish several new infinite…

Number Theory · Mathematics 2022-10-05 Hao Zhang , Helen W. J. Zhang

Bessenrodt and Ono, Chen, Wang and Jia, DeSalvo and Pak were the first to discover the log-subadditivity, log-concavity, and the third-order Tur\'{a}n inequality of partition function, respectively. Many other important partition statistics…

Number Theory · Mathematics 2023-08-10 Yi Peng , Helen W. J. Zhang , Ying Zhong

We give short elementary expositions of combinatorial proofs of some variants of Euler's partitition problem that were first addressed analytically by George Andrews, and later combinatorially by others. Our methods, based on ideas from a…

Combinatorics · Mathematics 2021-07-19 Aritro Pathak

In this paper, we introduce the generating functions of partition sequences. Partition sequences have a one-to-one correspondence with partitions. Therefore, the generating function has no multiplicity and appears meaningless initially.…

Combinatorics · Mathematics 2025-04-16 Masanori Ando

We compute the Moore-Witten regularized u-plane integral on CP^2, and we confirm their conjecture that it is the generating function for the SO(3)-Donaldson invariants of CP^2. We prove this conjecture using the theory of mock theta…

Differential Geometry · Mathematics 2015-04-13 Andreas Malmendier , Ken Ono

Bringmann and Lovejoy introduced a rank for overpartition pairs and investigated its role in congruence properties of $\bar{pp}(n)$, the number of overpartition pairs of n. In particular, they applied the theory of Klein forms to show that…

Combinatorics · Mathematics 2010-09-28 William Y. C. Chen , Bernard L. S. Lin

The mock theta conjectures are ten identities involving Ramanujan's fifth-order mock theta functions. The conjectures were proven by Hickerson in 1988 using q-series methods. Using methods from the theory of harmonic Maass forms,…

Number Theory · Mathematics 2016-04-19 Nickolas Andersen

In this Ph.D. thesis, written under the direction of D.B. Zagier and R.W. Bruggeman, we study the mock theta functions, that were introduced by Ramanujan. We show how they can be interpreted in the theory of (real-analytic) modular forms.…

Number Theory · Mathematics 2008-07-31 Sander Zwegers

In this paper, we use a branch of polyhedral geometry, Ehrhart theory, to expand our combinatorial understanding of congruences for partition functions. Ehrhart theory allows us to give a new decomposition of partitions, which in turn…

Combinatorics · Mathematics 2015-08-04 Felix Breuer , Dennis Eichhorn , Brandt Kronholm

The problem of counting ramified covers of a Riemann surface up to homeomorphism was proposed by Hurwitz in the late 1800's. This problem translates combinatorially into factoring a permutation of specified cycle type, with certain…

Combinatorics · Mathematics 2007-05-23 I. P. Goulden , Luis G. Serrano

For all positive integers $k,l,n$, the Little Glaisher theorem states that the number of partitions of $n$ into parts not divisible by $k$ and occurring less than $l$ times is equal to the number of partitions of $n$ into parts not…

Combinatorics · Mathematics 2022-07-26 Isaac Konan

We prove several congruences satisfied by the generalized cubic and generalized overcubic partition functions, recently introduced by Amdeberhan, Sellers, and Singh. We also prove infinite families of congruences modulo powers of $2$ and…

Number Theory · Mathematics 2026-04-29 Hirakjyoti Das , Saikat Maity , Manjil P. Saikia