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Let $Q$ be a finite quiver without oriented cycles and $k$ an algebraically closed field.In this paper we establish a connection between cluster algebras and the representation theory of the path algebra $kQ$, in terms of the spectral…

Representation Theory · Mathematics 2010-11-29 Elsa Fernández , María Inés Platzeck

A recurrence relation is said to have the Laurent property if all of its iterates are Laurent polynomials in the initial values with integer coefficients. We consider a family of nonlinear recurrences with the Laurent property, which were…

Exactly Solvable and Integrable Systems · Physics 2020-10-28 Andrew N. W. Hone , Joe Pallister

We describe and investigate a connection between the topology of isolated singularities of plane curves and the mutation equivalence, in the sense of cluster algebra theory, of the quivers associated with their morsifications.

Geometric Topology · Mathematics 2022-06-09 Sergey Fomin , Pavlo Pylyavskyy , Eugenii Shustin , Dylan Thurston

We characterize Y/T-system type difference equations arising from cluster algebras by triples of matrices, which we call T-data, that have a certain symplectic property. We show that all mutation loops are essentially obtained from T-data,…

Rings and Algebras · Mathematics 2020-01-06 Yuma Mizuno

Cluster algebras have recently become an important player in mathematics and physics. In this work, we investigate them through the lens of modern data science, specifically with techniques from network science and machine learning. Network…

Combinatorics · Mathematics 2024-02-26 Pierre-Philippe Dechant , Yang-Hui He , Elli Heyes , Edward Hirst

In this paper, we provide a combinatorial interpretation for Laurent polynomials obtained by iteratively mutating a certain periodic quiver that has been framed with frozen vertices. This yields a family of cluster variables with principal…

Combinatorics · Mathematics 2026-02-24 Qiyue Chen , Gregg Musiker

This if the final paper in the seriesContinuous Quivers of Type $A$. In this part, we generalize existing geometric models of type $A$ cluster structures to the new $\mathbf E$-clusters introduced in part (III). We also introduce an…

Representation Theory · Mathematics 2025-06-19 Job Rock

For a rooted cluster algebra $\mathcal{A}(Q)$ over a valued quiver $Q$, a \emph{symmetric cluster variable} is any cluster variable belonging to a cluster associated with a quiver $\sigma (Q)$, for some permutation $\sigma$. The subalgebra…

Representation Theory · Mathematics 2024-03-08 Ibrahim Saleh

A quiver mutation loop is a sequence of mutations and vertex relabelings, along which a quiver transforms back to the original form. For a given mutation loop, we introduce a quantity called a partition q-series. The partition q-series are…

Mathematical Physics · Physics 2015-06-01 Akishi Kato , Yuji Terashima

We give a precise definition of mutation of skew symmetrizable matrices over group rings and relate it to folding and mutation of quivers with symmetries. These matrices can have non-zero diagonal entries and we explain a mutation rule in…

Combinatorics · Mathematics 2026-01-23 Dani Kaufman , Carmen Alves Sabin

We show that a reddening sequence exists for any quiver which is Banff. Our proof is combinatorial and relies on the triangular extension construction for quivers. The other facts needed are that the existence of a reddening sequence is…

Commutative Algebra · Mathematics 2020-06-09 Eric Bucher , John Machacek

In [LP] we introduced Laurent phenomenon algebras, a generalization of cluster algebras. Here we give an explicit description of Laurent phenomenon algebras with a linear initial seed arising from a graph. In particular, any graph…

Representation Theory · Mathematics 2012-10-19 Thomas Lam , Pavlo Pylyavskyy

Recent articles have shown the connection between representation theory of quivers and the theory of cluster algebras. In this article, we prove that some cluster algebras of type ADE can be recovered from the data of the corresponding…

Representation Theory · Mathematics 2007-05-23 Philippe Caldero , Frederic Chapoton

We define three families of quivers in which the braid relations of the symmetric group $S_n$ are realized by mutations and automorphisms. A sequence of eight braid moves on a reduced word for the longest element of $S_4$ yields three…

Mathematical Physics · Physics 2024-06-11 Xiaoyue Sun , Junya Yagi

We realize a family of generalized cluster algebras as Caldero-Chapoton algebras of quivers with relations. Each member of this family arises from an unpunctured polygon with one orbifold point of order 3, and is realized as a…

Representation Theory · Mathematics 2019-04-24 Daniel Labardini-Fragoso , Diego Velasco

The dynamics of a 1-parameter family of cluster maps $\varphi_r$ associated to mutation-periodic quivers in dimension 4, is studied in detail. The use of presymplectic reduction leads to a globally periodic symplectic map, and this enables…

Dynamical Systems · Mathematics 2015-12-23 Inês Cruz , Helena Mena-Matos , M. Esmeralda Sousa-Dias

We continue the study of cluster algebras initiated in math.RT/0104151 and math.RA/0208229. We develop a new approach based on the notion of an upper cluster algebra, defined as an intersection of certain Laurent polynomial rings.…

Representation Theory · Mathematics 2007-05-23 Arkady Berenstein , Sergey Fomin , Andrei Zelevinsky

We show that many cluster-theoretic properties of the Markov quiver hold also for adjacency quivers of triangulations of once-punctured closed surfaces of arbitrary genus. Along the way we consider the class P of quivers introduced by…

Representation Theory · Mathematics 2013-10-17 Sefi Ladkani

Acyclic cluster algebras have an interpretation in terms of tilting objects in a Calabi-Yau category defined by some hereditary algebra. For a given quiver $Q$ it is thus desirable to decide if the cluster algebra defined by $Q$ is acyclic.…

Rings and Algebras · Mathematics 2011-11-09 Andre Beineke , Thomas Brüstle , Lutz Hille

We consider a class of map, recently derived in the context of cluster mutation. In this paper we start with a brief review of the quiver context, but then move onto a discussion of a related Poisson bracket, along with the Poisson algebra…

Exactly Solvable and Integrable Systems · Physics 2011-05-17 Allan P Fordy