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Andrews recently introduced k-marked Durfee symbols which are connected to moments of Dyson's rank. By these connections, Andrews deduced their generating functions and some combinatorial properties and left their purely combinatorial…

Combinatorics · Mathematics 2008-06-17 Kathy Qing Ji

In this note, we introduce monoidal subcategories of the tensor category of finite-dimensional representations of a simply-laced quantum affine algebra, parametrized by arbitrary Dynkin quivers. For linearly oriented quivers of types A and…

Quantum Algebra · Mathematics 2013-03-07 David Hernandez , Bernard Leclerc

In this work, we give combinatorial proofs for generating functions of two problems, i.e., flushed partitions and concave compositions of even length. We also give combinatorial interpretation of one problem posed by Sylvester involving…

Combinatorics · Mathematics 2011-12-13 Xiaochuan Liu

Any moduli space of representations of a quiver (possibly with oriented cycles) has an embedding as a dense open subvariety into a moduli space of representations of a bipartite quiver having the same type of singularities. A connected…

Representation Theory · Mathematics 2009-11-18 M. Domokos

We prove two identities of Hall-Littlewood polynomials, which appeared recently in a paper by two of the authors. We also conjecture, and in some cases prove, new identities which relate infinite sums of symmetric polynomials and partition…

Combinatorics · Mathematics 2015-09-18 D. Betea , M. Wheeler , P. Zinn-Justin

We describe a closed immersion from each representation space of a type A quiver with bipartite (i.e., alternating) orientation to a certain opposite Schubert cell of a partial flag variety. This "bipartite Zelevinsky map" restricts to an…

Algebraic Geometry · Mathematics 2015-09-18 Ryan Kinser , Jenna Rajchgot

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

Berkovich-Uncu have recently proved a companion of the well-known Capparelli's identities as well as refinements of Savage-Sills' new little G\"ollnitz identities. Noticing the connection between their results and Boulet's earlier…

Combinatorics · Mathematics 2018-10-16 Shishuo Fu , Jiang Zeng

We study certain bijection between plane partitions and $\mathbb{N}$-matrices. As applications, we prove a Cauchy-type identity for generalized dual Grothendieck polynomials. We introduce two statistics on plane partitions, whose generating…

Combinatorics · Mathematics 2020-11-20 Damir Yeliussizov

Let $\Lambda$ be the set of partitions of length $\geq 0$. We introduce an $\mathbb{N}$-graded algebra $\mathbb{A}_q^d(\Lambda)$ associated to $\Lambda$, which can be viewed as a quantization of the algebra of partitions defined by Reineke.…

Combinatorics · Mathematics 2021-06-08 Neil J. Y. Fan , Changjian Fu , Liangang Peng

This paper presents a geometric model of the Auslander-Reiten quiver of a type A quiver together with a stability function for which all indecomposable modules are stable. We also introduce a new Catalan object which we call a maximal…

Representation Theory · Mathematics 2022-10-11 Emily Barnard , Emily Gunawan , Emily Meehan , Ralf Schiffler

We give some higher dimensional analogues of the Durfee square formula and point out their relation to dissections of multipartitions. We apply the results to write certain affine Lie algebra characters in terms of Universal Chiral…

Combinatorics · Mathematics 2007-05-23 Peter Bouwknegt

In this note, we present a curious $q$-series identity with applications to certain partitions with bounded part differences.

Combinatorics · Mathematics 2018-05-23 Shane Chern

We prove a family of factorization formulas for the combinatorial Donaldson--Thomas invariant for an acyclic quiver. A quantum dilogarithm identity due to Reineke, later interpreted by Rimanyi by counting codimensions of quiver loci, gives…

Representation Theory · Mathematics 2019-03-05 Justin Allman

We show how certain suitably modified N-modular diagrams of integer partitions provide a nice combinatorial interpretation for the general term of Zeilberger's KOH identity. This identity is the reformulation of O'Hara's famous proof of the…

Combinatorics · Mathematics 2015-03-17 Fabrizio Zanello

We study the Grothendieck classes of quiver cycles, i.e. invariant closed subvarieties of the representation space of a quiver. For quivers without oriented loops we show that the class of a quiver cycle is determined by quiver…

Algebraic Geometry · Mathematics 2007-08-28 Anders Skovsted Buch

Representation theory, for the classical binary polyhedral groups is encoded by the affine Dynkin diagrams E6^{(1)}, E7^{(1)} and E8^{(1)} (McKay correspondance). The quantum versions of these classical geometries are associated with…

High Energy Physics - Theory · Physics 2009-11-07 Robert Coquereaux

We generalize type $A$ quivers to continuous type $A$ quivers and prove initial results about pointwise finite-dimensional (pwf) representations. We classify the indecomosable pwf representations and provide a decomposition theorem,…

Representation Theory · Mathematics 2025-06-19 Kiyoshi Igusa , Job D. Rock , Gordana Todorov

We translate Uchimura's identity for the divisor function and whose generalizations into combinatorics of partitions, and give a combinatorial proof of them. As a by-product of their proofs, we obtain some combinatorial results.

Combinatorics · Mathematics 2012-01-23 Masanori Ando

We give "hybrid" proofs of the $q$-binomial theorem and other identities. The proofs are "hybrid" in the sense that we use partition arguments to prove a restricted version of the theorem, and then use analytic methods (in the form of the…

Number Theory · Mathematics 2019-01-17 Dennis Eichhorn , James Mc Laughlin , Andrew V. Sills