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We construct all fundamental modules for the two parameter quantum affine algebra of type $A$ using a combinatorial model of Young diagrams. In particular we also give a fermionic realization of the two-parameter quantum affine algebra.

Quantum Algebra · Mathematics 2015-05-18 Naihuan Jing , Honglian Zhang

We construct the Fock space representations for the quantum affine algebra of type $C_2^{(1)}$ in terms of Young walls. Using this construction, we give a generalized Lascoux-Leclerc-Thibon algorithm for computing the global bases of the…

Quantum Algebra · Mathematics 2007-05-23 Seok-Jin Kang , Jae-Hoon Kwon

The two-parameter quantum vertex operator representation of level-one is explicitly constructed for $U_{r,s}(C^{(1)}_n)$ based on its two-parameter Drinfeld realization we give. This construction will degenerate to the one-parameter case…

Representation Theory · Mathematics 2015-09-09 Naihong Hu , Honglian Zhang

In this paper, we give a unified construction of two-parameter quantum groups $U_{r,s}(\mathfrak{g})$, two-parameter Kashiwara algebras $B_{r,s}(\mathfrak{g})$, two-parameter quantized Weyl algebras $W_{r,s}(\mathfrak{g})$ and the action of…

Quantum Algebra · Mathematics 2014-05-20 Weideng Cui

We establish an explicit correspondence between the Drinfeld current algebra presentation for the two-parameter quantum affine algebra $U_{r, s}(\mathrm{C}_n^{(1)})$ and the $R$-matrix realization \'a la Faddeev, Reshetikhin and Takhtajan.

Quantum Algebra · Mathematics 2026-04-24 Xin Zhong , Naihong Hu , Naihuan Jing

We introduce the two-parameter quantum affine algebra $U_{r,s}(\widehat{gl}_n)$ via the RTT realization. The Drinfeld realization is given and the type A quantum affine algebra is proved to be a special subalgebra of our extended algebra.

Quantum Algebra · Mathematics 2017-08-10 Naihuan Jing , Ming Liu

The fermionic Fock space admits two different actions of the quantized enveloping algebra of $\hat\sln$> The first one is a q-deformation of the well-known level-one representation of the affine Lie algebra and the second one is a new…

q-alg · Mathematics 2008-02-03 M. Varagnolo , E. Vasserot

We further define two-parameter quantum affine algebra $U_{r,s}(\widehat{\frak {sl}_n})$ $(n>2)$ after the work on the finite cases (see [BW1], [BGH1], [HS] & [BH]), which turns out to be a Drinfel'd double. Of importance for the quantum…

Quantum Algebra · Mathematics 2009-11-13 Naihong Hu , Marc Rosso , Honglian Zhang

We obtain the basic $R$-matrix of the two-parameter Quantum group $U=U_{r,s}\mathcal(\mathfrak{so}_{2n})$ via its weight representation theory and determine its $R$-matrix with spectral parameters for the two-parameter quantum affine…

Quantum Algebra · Mathematics 2024-07-10 Rushu Zhuang , Naihong Hu , Xiao Xu

Let $C$ be a symmetrizable generalized Cartan Matrix, and $q$ an indeterminate. ${\fg}(C)$ is the Kac-Moody Lie algebra and $U=U_q({\fg}(C))$ the associated quantum enveloping algebra over $ k={\Bbb Q}(q)$. The quantum function algebra…

Quantum Algebra · Mathematics 2007-05-23 Bharath Narayanan

We give a realization of the quantum affine Lie algebras $\uqa$ and $\uqc$ in terms of anyons defined on a one-dimensional chain (or on a two-dimensional lattice), the deformation parameter $q$ being related to the statistical parameter…

q-alg · Mathematics 2008-11-26 L. Frappat , A. Sciarrino , S. Sciuto , P. Sorba

We construct explicitly the quantum symplectic affine algebra $U_q(\widehat{sp}_{2n})$ using bosonic fields. The Fock space decomposes into irreducible modules of level -1/2, quantizing the Feingold-Frenkel construction for q=1.

q-alg · Mathematics 2008-02-03 Naihuan Jing , Yoshitaka Koyama , Kailash C. Misra

A Fock representation of the quantum affine algebra $U_q(\widehat{\sl}_2)$ is constructed by three bosonic fields for an arbitrary level with the help of the Drinfeld realization.

High Energy Physics - Theory · Physics 2009-10-22 A. Matsuo

We construct the Fock space representations of classical quantum affine algebras using combinatorics of Young walls. We also show that the crystal graphs of the Fock space representations can be realized as the abstract crystal consisting…

Quantum Algebra · Mathematics 2007-05-23 Seok-Jin Kang , Jae-Hoon Kwon

Finite dimensional irreducible modules of the two-parameter quantum enveloping algebra $U_{r,s}(\mathfrak{sl}_n)$ are explicitly constructed using the fusion procedure when $rs^{-1}$ is generic. This provides an alternative and…

Quantum Algebra · Mathematics 2019-03-12 Naihuan Jing , Ming Liu

A one-parameter generalized fermion algebra ${\cal B}_{\kappa}(1)$ is introduced. The Fock representation is studied. The associated coherent states are constructed and the polynomial representation, in the Bargmann sense, is derived. A…

Mathematical Physics · Physics 2014-12-12 Won Sang Chung , Mohammed Daoud

In this paper we describe certain homological properties and representations of a two-parameter quantum enveloping algebra $U_{g,h}$ of ${\frak {sl}}(2)$, where $g,h$ are group-like elements.

Quantum Algebra · Mathematics 2013-03-05 Zhixiang Wu

We give a realization of quantum affine Lie algebra $U_q(\hat A_{N-1})$ in terms of anyons defined on a two-dimensional lattice, the deformation parameter $q$ being related to the statistical parameter $\nu$ of the anyons by $q =…

High Energy Physics - Theory · Physics 2008-11-26 L. Frappat , A. Sciarrino , S. Sciuto , P. Sorba

We write the fermionic $q$-Fock space representation of $U_q(\hat{sl_n})$ as an infinite extended braided tensor product of finite-dimensional fermionic $U_q(sl_n)$-quantum planes or exterior algebras. Using braided geometrical techniques…

q-alg · Mathematics 2008-02-03 S. Majid

Bosons and fermions are described by using canonical generators of Cuntz algebras on any permutative representation. According to branching laws associated with these descriptions, a certain representation of the Cuntz algebra $\co{2}$…

Operator Algebras · Mathematics 2009-11-13 Katsunori Kawamura
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