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Let $Q$ be the affine quiver of type $\widetilde{A}_{2n-1,1}$ and $\mathcal{A}_{q}(Q)$ be the quantum cluster algebra associated to the valued quiver $(Q,(2,2,\dots,2))$. We prove some cluster multiplication formulas, and deduce that the…

Representation Theory · Mathematics 2020-11-17 Ming Ding , Fan Xu , Xueqing Chen

In \cite{CK2005} and \cite{SZ}, the authors constructed the bases of cluster algebras of finite types and of type $\widetilde{A}_{1,1}$, respectively. In this paper, we will deduce $\mathbb{Z}$-bases for cluster algebras of affine types.

Representation Theory · Mathematics 2010-05-18 Ming Ding , Jie Xiao , Fan Xu

The canonical bases of cluster algebras of finite types and rank 2 are given explicitly in \cite{CK2005} and \cite{SZ} respectively. In this paper, we will deduce $\mathbb{Z}$-bases for cluster algebras for affine types…

Representation Theory · Mathematics 2008-12-15 Ming Ding , Jie Xiao , Fan Xu

We construct quantized versions of generic bases in quantum cluster algebras of finite and affine types. Under the specialization of $q$ and coefficients to 1, these bases are generic bases of finite and affine cluster algebras.

Representation Theory · Mathematics 2015-05-28 Ming Ding , Fan Xu

We generalize the construction of the bracelet and bangle bases defined by Musiker, Schiffler and Williams, and the band basis defined by D. Thurston to cluster algebras arising from orbifolds. We prove that the bracelet bases are positive,…

Combinatorics · Mathematics 2019-10-25 Anna Felikson , Pavel Tumarkin

We construct two bases for each cluster algebra coming from a triangulated surface without punctures. We work in the context of a coefficient system coming from a full-rank exchange matrix, for example, principal coefficients.

Representation Theory · Mathematics 2019-02-20 Gregg Musiker , Ralf Schiffler , Lauren Williams

We introduce the notion of a lower bound cluster algebra generated by projective cluster variables as a polynomial ring over the initial cluster variables and the so-called projective cluster variables. We show that under an acyclicity…

Representation Theory · Mathematics 2023-08-29 Karin Baur , Alireza Nasr-Isfahani

We classify mutation-finite cluster algebras with arbitrary coefficients of geometric type.

Combinatorics · Mathematics 2023-08-29 Anna Felikson , Pavel Tumarkin

The cluster multiplication formulas for a generalized quantum cluster algebra of Kronecker type are explicitly given. Furthermore, a positive bar-invariant $\mathbb{Z}[q^{\pm\frac{1}{2}}]$-basis of this algebra is constructed.

Quantum Algebra · Mathematics 2023-04-04 Liqian Bai , Xueqing Chen , Ming Ding , Fan Xu

Let $Q$ be a finite quiver without oriented cycles and $\mathcal A(Q)$ be the coefficient-free cluster algebra with initial seed $(Q,\textbf u)$. Using the Caldero-Chapoton map, we introduce and investigate a family of generic variables in…

Representation Theory · Mathematics 2010-06-02 G. Dupont

Let $Q$ be an affine quiver of type $A_2^{(1)}$. We explicitly construct the cluster multiplication formulas for the quantum cluster algebra of $Q$ with principal coefficients. As applications, we obtain: (1)\ an exact expression for every…

Quantum Algebra · Mathematics 2025-04-15 Danting Yang , Xueqing Chen , Ming Ding , Fan Xu

We give a uniform geometric realization for the cluster algebra of an arbitrary finite type with principal coefficients at an arbitrary acyclic seed. This algebra is realized as the coordinate ring of a certain reduced double Bruhat cell in…

Rings and Algebras · Mathematics 2008-05-19 Shih-Wei Yang , Andrei Zelevinsky

We establish basic properties of cluster algebras associated with oriented bordered surfaces with marked points. In particular, we show that the underlying cluster complex of such a cluster algebra does not depend on the choice of…

Rings and Algebras · Mathematics 2010-03-15 Sergey Fomin , Michael Shapiro , Dylan Thurston

We extend a T-path expansion formula for arcs on an unpunctured surface to the case of arcs on a once-punctured polygon and use this formula to give a combinatorial proof that cluster monomials form the atomic basis of a cluster algebra of…

Combinatorics · Mathematics 2015-07-29 Emily Gunawan , Gregg Musiker

We prove that the basis of cluster monomials of a skew-symmetric cluster algebra A of finite type is the atomic basis of A. This means that an element of A is positive if and only if it has a non-negative expansion in the basis of cluster…

Rings and Algebras · Mathematics 2011-02-21 Giovanni Cerulli Irelli

Let C be the category of finite-dimensional representations of a quantum affine algebra of simply-laced type. We introduce certain monoidal subcategories C_l (l integer) of C and we study their Grothendieck rings using cluster algebras.

Quantum Algebra · Mathematics 2019-12-19 David Hernandez , Bernard Leclerc

We construct common triangular bases for almost all the known (quantum) cluster algebras from Lie theory. These bases provide analogs of the dual canonical bases, long anticipated in cluster theory. In cases where the generalized Cartan…

Representation Theory · Mathematics 2025-03-27 Fan Qin

We develop and prove the analogs of some results shown in [Berenstein A., Fomin S., Zelevinsky A., Duke Math. J. 126 (2005), 1-52] concerning lower and upper bounds of cluster algebras to the generalized cluster algebras of geometric type.…

Rings and Algebras · Mathematics 2020-09-29 Liqian Bai , Xueqing Chen , Ming Ding , Fan Xu

We study the cluster automorphism group of a skew-symmetric cluster algebra with geometric coefficients. For this, we introduce the notion of gluing free cluster algebra, and show that under a weak condition the cluster automorphism group…

Representation Theory · Mathematics 2016-11-03 Wen Chang , Bin Zhu

We study quantum cluster algebras from unpunctured surfaces with arbitrary coefficients and quantization. We first give a new proof of the Laurent expansion formulas for commutative cluster algebras from unpunctured surfaces, we then give…

Representation Theory · Mathematics 2022-01-11 Min Huang
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