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We prove that the quantum and classical cluster algebras for all members of the axiomatically defined classes of symmetric quantum and Poisson Cauchon-Goodearl-Letzter extensions possess maximal green sequences in the sense of Keller.…

Combinatorics · Mathematics 2026-03-17 Milen Yakimov

We provide a cluster-algebraic approach to the computation of the recently introduced generalised biadjoint scalar amplitudes related to Grassmannians ${\rm Gr}(k,n)$. A finite cluster algebra provides a natural triangulation for the…

High Energy Physics - Theory · Physics 2021-01-26 James Drummond , Jack Foster , Ömer Gürdoğan , Chrysostomos Kalousios

We consider GLq(N)-covariant quantum algebras with generators satisfying quadratic polynomial relations. We show that, up to some inessential arbitrariness, there are only two kinds of such quantum algebras, namely, the algebras with…

High Energy Physics - Theory · Physics 2010-11-01 A. P. Isaev , P. N. Pyatov

We provide a complete classification of the singularities of cluster algebras of finite type with trivial coefficients. Alongside, we develop a constructive desingularization of these singularities via blowups in regular centers over fields…

Algebraic Geometry · Mathematics 2022-06-01 Angelica Benito , Eleonore Faber , Hussein Mourtada , Bernd Schober

We consider two algebras of curves associated to an oriented surface of finite type - the cluster algebra from combinatorial algebra, and the skein algebra from quantum topology. We focus on generalizations of cluster algebras and…

Geometric Topology · Mathematics 2025-03-18 Hiroaki Karuo , Han-Bom Moon , Helen Wong

We establish a quantum cluster algebra structure on the quantum Grothendieck ring of a certain monoidal subcategory of the category of finite-dimensional representations of a simply-laced quantum affine algebra. Moreover, the…

Quantum Algebra · Mathematics 2019-12-02 Léa Bittmann

In this paper, we introduce and study the quantum deformations of the cluster superalgebra. Then we prove the quantum version of the Laurent phenomenon for the super-case.

Representation Theory · Mathematics 2016-12-01 Haitao Ma , Yanmin Yang , Zhu-Jun Zheng

We formulate a $q$-Schur algebra associated to an arbitrary $W$-invariant finite set $X_{\texttt f}$ of integral weights for a complex simple Lie algebra with Weyl group $W$. We establish a $q$-Schur duality between the $q$-Schur algebra…

Representation Theory · Mathematics 2022-02-17 Li Luo , Weiqiang Wang

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

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

We construct, using the quantum dilogarithm, a series of *-representations of quantized cluster varieties. This includes a construction of infinite dimensional unitary projective representations of their discrete symmetry groups - the…

Quantum Algebra · Mathematics 2009-11-13 V. V. Fock , A. B. Goncharov

It is known that a generalized $q$-Schur algebra may be constructed as a quotient of a quantized enveloping algebra $\UU$ or its modified form $\dot{\UU}$. On the other hand, we show here that both $\UU$ and $\dot{\UU}$ may be constructed…

Quantum Algebra · Mathematics 2008-08-29 Stephen Doty

The objective of the present paper is to prove cluster multiplication theorem in the quantum cluster algebra of type $A_{2}^{(2)}$. As corollaries, we obtain bar-invariant $\mathbb{Z}[q^{\pm\frac{1}{2}}]$-bases established in [6], and…

Quantum Algebra · Mathematics 2018-04-17 Liqian Bai , Xueqing Chen , Ming Ding , Fan Xu

Cluster algebras are a recent topic of study and have been shown to be a useful tool to characterize structures in several knowledge fields. An important problem is to establish whether or not a given cluster algebra is of finite type.…

Commutative Algebra · Mathematics 2015-07-15 Elisângela Silva Dias , Diane Castonguay

In this paper the authors investigate the $q$-Schur algebras of type B that were constructed earlier using coideal subalgebras for the quantum group of type A. The authors present a coordinate algebra type construction that allows us to…

Representation Theory · Mathematics 2019-06-25 Chun-Ju Lai , Daniel K. Nakano , Ziqing Xiang

In this paper is discussed description of some algebraic structures in quantum theory by using formal recursive constructions with "complex Poincar\'e group" ISO(4,C).

Mathematical Physics · Physics 2007-05-23 Alexander Yu. Vlasov

This paper continues the study of cluster algebras initiated in math.RT/0104151. Its main result is the complete classification of the cluster algebras of finite type, i.e., those with finitely many clusters. This classification turns out…

Rings and Algebras · Mathematics 2015-06-26 Sergey Fomin , Andrei Zelevinsky

In this paper, the module-algebra structures of $U_q(sl(m+1))$ on the quantum $n$-space $A_q(n)$ are studied. We characterize all module-algebra structures of $U_q(sl(m+1))$ on $A_q(2)$ and $A_q(3)$ when $m\geq 2$. The module-algebra…

Quantum Algebra · Mathematics 2014-08-26 Steven Duplij , Yanyong Hong , Fang Li

We define a quantum analogue of a class of generalized cluster algebras which can be viewed as a generalization of quantum cluster algebras defined in \cite{berzel}. In the case of rank two, we extend some structural results from the…

Quantum Algebra · Mathematics 2017-01-23 Liqian Bai , Xueqing Chen , Ming Ding , Fan Xu

We consider continuous structures which are obtained from finite dimensional Hilbert spaces over $\mathbb{C}$ by adding some unitary operators. Quantum automata and quantum circuits are naturally interpretable in such structures. We…

Logic · Mathematics 2014-06-19 Aleksander Ivanov
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