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Related papers: Whittaker modules for $U_q(\mathfrak{sl}_3)$

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The Askey--Wilson algebras were used to interpret the algebraic structure hidden in the Racah--Wigner coefficients of the quantum algebra $U_q(\mathfrak{sl}_2)$. In this paper, we display an injection of a universal analog $\triangle_q$ of…

Quantum Algebra · Mathematics 2017-09-13 Hau-Wen Huang

Let $\mathcal{L}$ be the derivation Lie algebra of ${\mathbb C}[t_1^{\pm 1},t_2^{\pm 1}]$. Given a triangle decomposition $\mathcal{L} =\mathcal{L}^{+}\oplus\mathfrak{h}\oplus\mathcal{L}^{-}$, we define a nonsingular Lie algebra…

Representation Theory · Mathematics 2019-08-19 Haifeng Lian , Xiufu Zhang

We study the universal integrable modules W_q(m) of level zero for quantum affine sl_2 and a family of maximal finite--dimensional quotients of these modules. We show that these all have dimension 2^m. Using this, we are able to realize…

Quantum Algebra · Mathematics 2007-05-23 Vyjayanthi Chari , Andrew Pressley

We use the theory of vertex operator algebras and intertwining operators to obtain systems of q-difference equations satisfied by the graded dimensions of the principal subspaces of certain level k standard modules for \hat{\goth{sl}(3)}.…

Quantum Algebra · Mathematics 2008-02-28 Corina Calinescu

Galilean $W_3$ vertex operator algebra $\mathcal GW_3(c_L,c_M)$ is constructed as a universal enveloping vertex algebra of certain non-linear Lie conformal algebra. It is proved that this algebra is simple by using determinant formula of…

Quantum Algebra · Mathematics 2021-08-13 Gordan Radobolja

Let ${\mathfrak{g}}$ be a complex semisimple Lie algebra with Borel subalgebra ${\mathfrak{b}}$ and corresponding nilradical ${\mathfrak{n}}$. We show that singular Whittaker modules $M$ are simple if and only if the space $\hbox{Wh}\,M$ of…

Representation Theory · Mathematics 2023-12-29 Karthik Dulam , Hrishikesh Ghate , Michael Lau , Suyash Pathak

In this paper, we construct families of irreducible representations for a class of quantum groups $U_{q}(f_{m}(K))$. First, we give a natural construction of irreducible weight representations for $U_{q}(f_{m}(K))$ using methods in spectral…

Representation Theory · Mathematics 2008-03-27 Xin Tang

We extend the notion of generalized Whittaker models by allowing them to be built upon smooth irreducible representations of unipotent subgroups of a $p$-adic reductive group that are not necessarily characters, nor induced from Weil…

Representation Theory · Mathematics 2025-08-13 Gyujin Oh

In arXiv:1811.04649, we extended the Dong-Mason theorem on irreducibility of modules for cyclic orbifold vertex algebras to the entire category weak modules and applied this result to Whittaker modules. In this paper we present further…

Quantum Algebra · Mathematics 2024-09-04 Drazen Adamovic , Ching Hung Lam , Veronika Pedic Tomic , Nina Yu

Let $\mathfrak{g}$ be a complex simple Lie algebra and $U_q(\hat{\mathfrak{g}})$ the corresponding quantum affine algebra. We prove that every irreducible finite-dimensional $U_q(\hat{\mathfrak{g}})$-module gives rise to a family of…

Representation Theory · Mathematics 2025-11-04 Andrea Appel , Bart Vlaar

In this paper, we define and study Whittaker modules for the super-Viraoro algebras, including the Neveu-Schwarz algebra and the Ramond algebra. We classify the simple Whittaker modules and obtain necessary and sufficient conditions for…

Representation Theory · Mathematics 2018-10-31 Dong Liu , Yufeng Pei , Limeng Xia

In this paper, we study non-weight modules over gap-$p$ Virasoro algebras, including Whittaker modules, $\mathcal{U}(\mathbb{C} L_0)$-free modules and their tensor products. We establish necessary and sufficient conditions for universal…

Representation Theory · Mathematics 2025-05-22 Chengkang Xu , Fulin Chen , Shaobin Tan

Since the introduction of Askey-Wilson algebras by Zhedanov in 1991, the classification of the finite-dimensional irreducible modules of Askey-Wilson algebras remains open. A universal analog $\triangle_q$ of the Askey-Wilson algebras was…

Rings and Algebras · Mathematics 2015-07-14 Hau-wen Huang

Let $\cl{M}$ be a Hilbert module of holomorphic functions over a natural function algebra $\mathcal{A}(\Omega)$, where $\Omega \subseteq \bb{C}^m$ is a bounded domain. Let $\cl{M}_0\subseteq \cl{M}$ be the submodule of functions vanishing…

Functional Analysis · Mathematics 2007-05-23 Ronald G. Douglas , Gadadhar Misra

The simple integrable modules with finite dimensional weight spaces are classified for the quantum affine special linear superalgebra $\U_q(\hat{\mathfrak{sl}}(M|N))$ at generic $q$. Any such module is shown to be a highest weight or lowest…

Representation Theory · Mathematics 2014-10-16 Yuezhu Wu , R. B. Zhang

An integral presentation for the scalar products of nested Bethe vectors for the quantum integrable models associated with the quantum affine algebra $U_q(\hat{\mathfrak{gl}}_3)$ is given. This result is obtained in the framework of the…

Mathematical Physics · Physics 2010-12-15 Samuel Belliard , Stanislav Pakuliak , Eric Ragoucy

For any open, connected and bounded set $\Omega \subseteq \mathbb C^m$, let $\mathcal A$ be a natural function algebra consisting of functions holomorphic on $\Omega$. Let $\mathcal M$ be a Hilbert module over the algebra $\mathcal A$ and…

Functional Analysis · Mathematics 2007-05-23 Ronald G. Douglas , Gadadhar Misra

In this paper, the property and the classification the simple Whittaker modules for the schr\"{o}dinger algebra are studied. A quasi-central element plays an important role in the study of Whittaker modules of level zero. For the Whittaker…

Representation Theory · Mathematics 2013-11-12 Xiufu Zhang , Yongsheng Cheng

The ``local'' structure of a quantum group G_q is currently considered to be an infinite-dimensional object: the corresponding quantum universal enveloping algebra U_q(g), which is a Hopf algebra deformation of the universal enveloping…

Quantum Algebra · Mathematics 2009-11-13 E. Celeghini , A. Ballesteros , M. A. del Olmo

We define Whittaker modules for the twisted Heisenberg-Virasoro algebra and obtain analogues to several results from the classical setting, including a classification of simple Whittaker modules by central characters.

Representation Theory · Mathematics 2015-05-13 Dong Liu , Yuzhu Wu , Linsheng Zhu