English
Related papers

Related papers: Integrable Modules For Graded Lie Tori With Finite…

200 papers

We investigate the structure and representation theory of finite-dimensional $\mathbb{Z}$-graded Lie algebras, including the corresponding root systems and Verma, irreducible, and Harish-Chandra modules. This extends the familiar theory for…

Representation Theory · Mathematics 2025-07-02 Mark D. Gould , Phillip S. Isaac , Ian Marquette , Jorgen Rasmussen

We construct a family of exact functors from the BGG category of representations of the Lie algebra sl to the category of finite-dimensional representations of the degenerate (or graded) affine Hecke algebra H of GL. These functors…

q-alg · Mathematics 2007-05-23 T. Arakawa , T. Suzuki

We classify the finite dimensional irreducible representations with integral central character of finite $W$-algebras $U(\mathfrak g,e)$ associated to standard Levi nilpotent orbits in classical Lie algebras of types B and C. This…

Representation Theory · Mathematics 2016-01-20 Jonathan Brown , Simon M. Goodwin

In this paper, we continue the study on toroidal vertex algebras initiated in \cite{LTW}, to study concrete toroidal vertex algebras associated to toroidal Lie algebra $L_{r}(\hat{\frak{g}})=\hat{\frak{g}}\otimes L_r$, where…

Quantum Algebra · Mathematics 2014-08-05 Fei Kong , Haisheng Li , Shaobin Tan , Qing Wang

Using certain results for the vertex operator algebras associated with affine Lie algebras we obtain recurrence relations for the characters of integrable highest weight irreducible modules for an affine Lie algebra. As an application we…

Quantum Algebra · Mathematics 2007-05-23 William J. Cook , Haisheng Li , Kailash C. Misra

We study the vertex algebras associated with modular invariant representations of affine Kac-Moody algebras at fractional levels, whose simple highest weight modules are classified by Joseph's characteristic varieties. We show that an…

Quantum Algebra · Mathematics 2016-02-10 Tomoyuki Arakawa

We define regular Kac-Moody superalgebras and classify them using integrable modules. We give conditions for irreducible highest weight modules of regular Kac-Moody superalgebras to be integrable. This paper is a major part of the proof for…

Representation Theory · Mathematics 2010-11-08 Crystal Hoyt

We introduce 3-irreducible modules, even roots and odd roots for Leibniz algebras, produce a basis for a root space of a Leibniz algebra with a semisimple Lie factor, and classify finite dimensional simple Leibniz algebras with Lie factor…

Rings and Algebras · Mathematics 2007-05-23 Keqin Liu

It is proved that uniformly bounded simple modules over higher rank super-Virasoro algebras are modules of the intermediate series, and that simple modules with finite dimensional weight spaces are either modules of the intermediate series…

Quantum Algebra · Mathematics 2007-05-23 Yucai Su

We apply the general theory of tensor products of modules for a vertex operator algebra developed in our papers hep-th/9309076, hep-th/9309159, hep-th/9401119, q-alg/9505018, q-alg/9505019 and q-alg/9505020 to the case of the…

q-alg · Mathematics 2008-02-03 Yi-Zhi Huang , James Lepowsky

We study irreducible representations for the Lie algebra of vector fields on a 2-dimensional torus constructed using the generalized Verma modules. We show that for a certain choice of parameters these representations remain irreducible…

Representation Theory · Mathematics 2007-07-05 Yuly Billig , Alexander Molev , Ruibin Zhang

We complete the classification of the finite dimensional irreducible representations of finite W-algebras associated to even multiplicity nilpotent elements in classical Lie algebras. This extends earlier work where this classification is…

Representation Theory · Mathematics 2011-12-30 Jonathan S. Brown , Simon M. Goodwin

We classify the quasi-finite irreducible highest weight modules over the infinite rank Lie superalgebras $\hgltwo$, $\hC$ and $\hD$, and determine the necessary and sufficient conditions for quasi-finite irreducible highest weight modules…

Quantum Algebra · Mathematics 2007-05-23 N. Lam , R. B. Zhang

In this paper we construct a class of new irreducible modules over untwisted affine Kac-Moody algebras $\widetilde{\mathfrak{g}}$, generalizing and including both highest weight modules and Whittaker modules. These modules allow us to…

Representation Theory · Mathematics 2015-12-23 Xiangqian Guo , Kaiming Zhao

We use induction from parabolic subalgebras with infinite-dimensional Levi factor to construct new families of irreducible representations for arbitrary Affine Kac-Moody algebra. Our first construction defines a functor from the category of…

Representation Theory · Mathematics 2022-06-14 Maria Clara Cardoso , Vyacheslav Futorny

For any finite-dimensional simple Lie algebra $\mathfrak{g}$ and commutative associative algebra $S$ of finite type, we give a complete classification of the simple weight modules of $\mathfrak{g}\otimes S$ with bounded weight…

Representation Theory · Mathematics 2014-11-17 Daniel Britten , Michael Lau , Frank Lemire

We provide a classification and explicit bases of tableaux of all irreducible generic Gelfand-Tsetlin modules for the Lie algebra $\mathfrak{gl}(n)$.

Representation Theory · Mathematics 2015-03-03 Vyacheslav Futorny , Dimitar Grantcharov , Luis Enrique Ramirez

In this paper, we study Virasoro vertex algebras and affine vertex algebras over a general field of characteristic $p>2$. More specifically, we study certain quotients of the universal Virasoro and affine vertex algebras by ideals related…

Quantum Algebra · Mathematics 2017-11-07 Xiangyu Jiao , Haisheng Li , Qiang Mu

In this paper, we classify all finite irreducible conformal modules over a class of Lie conformal algebras $\mathcal{W}(b)$ with $b\in\mathbb{C}$ related to the Virasoro conformal algebra. Explicitly, any finite irreducible conformal module…

Rings and Algebras · Mathematics 2017-04-26 Henan Wu , Lamei Yuan

In this paper, we study the representation theory for the affine Lie algebra $\H$ associated to the Nappi-Witten model $H_{4}$. We classify all the irreducible highest weight modules of $\H$. Furthermore, we give a necessary and sufficient…

Quantum Algebra · Mathematics 2011-04-21 Yixin Bao , Cuipo Jiang , Yufeng Pei