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We classify the irreducible integrable modules for the twisted toroidal extended affine Lie algebras with fnite diemnsional weight spaces where the fnite dimensional center acts trivially. We have proved that the entire central extension…

Representation Theory · Mathematics 2021-05-06 Santanu Tantubay , Punita Batra

In this paper we classify the irreducible integrable modules for the twisted toroidal extended affine Lie algebras with center acting non-trivially.

Representation Theory · Mathematics 2020-05-20 S. Eswara Rao , Sachin S. Sharma , Punita Batra

In the last two decades the structure of Extended Affine Lie algebras (EALA) is extensively studied. In explicitly constructing an EALA, the centerless Lie Torus play an important role. In this paper we consider the Universal central…

Representation Theory · Mathematics 2015-01-27 S. Eswara Rao , Sachin S. Sharma

An important problem in the representation theory of affine and toroidal Lie algebras is to classify all possible irreducible integrable modules with finite dimensional weight spaces. Recently the irreducible integrable modules having…

Representation Theory · Mathematics 2021-01-13 Souvik Pal

The main result of the paper establishes the irreducibility of a large family of nonzero central charge induced modules over Affine Lie algebras for any non standard parabolic subalgebra. It generalizes all previously known partial results…

Representation Theory · Mathematics 2018-04-09 Vyacheslav Futorny , Iryna Kashuba

We describe the category of integrable sl(1|n)^ -modules with the positive central charge and show that the irreducible modules provide the full set of irreducible representations for the corresponding simple vertex algebra.

Representation Theory · Mathematics 2018-10-17 Maria Gorelik , Vera Serganova

This work provides the first step toward the classification of irreducible finite weight modules over twisted affine Lie superalgebras. We study all such modules whether the canonical central element acts as a nonzero multiple of the…

Representation Theory · Mathematics 2020-09-30 Malihe Yousofzadeh

Toroidal Lie algebras are universal central extentions of the finite dimensional simple Lie algbera tensored with Laurent Polynomials in several commuteing variables. In this paper we classify irreducible integrable modules for Toroidal Lie…

Representation Theory · Mathematics 2007-05-23 S. Eswara Rao

We study representations of the double affine Lie algebra associated to a simple Lie algebra. We construct a family of indecomposable integrable representations and identify their irreducible quotients. We also give a condition for the…

Quantum Algebra · Mathematics 2007-05-23 Vyjayanthi Chari , Thang Le

In this paper, we introduce the notion of completely non-trivial module of a Lie conformal algebra. By this notion, we classify all finite irreducible modules of a class of $\mathbb{Z}^+$-graded Lie conformal algebras…

Representation Theory · Mathematics 2022-04-07 Maosen Xu , Yanyong Hong

In this paper we classify irreducible integrable representations of loop toroidal Lie algebras with finite dimensional weight spaces. In both the cases we classify modules, when a part of center acts non-trivially and trivially on modules.

Representation Theory · Mathematics 2022-11-09 Priyanshu Chakraborty , Punita Batra

We study irreducible modules for Toroidal Lie-algebras with finite dimensional weight spaces. First note that Toroidal Lie-algebras have infinite dimensional center. In genaral the infinite dimensional center does not act as scalars on an…

Representation Theory · Mathematics 2007-05-23 S. Eswara Rao

Irreducible nonzero level modules with finite-dimensional weight spaces are studied for non-twisted affine Lie superalgebras. A complete classification is obtained for superalgebras A(m,n)^ and C(n)^. In other cases the classification…

Representation Theory · Mathematics 2007-10-20 S. Eswara Rao , Vyacheslav Futorny

In this paper, we consider irreducible quasi-finite (or equivalently weakly integrable) modules, with non-trivial action of the core, over the extended affine Lie algebras (EALAs) whose centerless cores are multiloop algebras. The…

Representation Theory · Mathematics 2025-11-18 Souvik Pal

For a twisted affine Lie superalgebra with nonzero odd part, we study {tight irreducible weight modules} with bounded weight multiplicities and show that if the action of nonzero real vectors of each affine component of the zero part is…

Representation Theory · Mathematics 2021-01-22 Malihe Yousofzadeh

The irreducible integrable representations with finite-dimensional weight spaces of toroidal Lie algebras on which the center acts non-trivially were classified by S.Eswara Rao. In this paper we give a compact proof of the results that lead…

Representation Theory · Mathematics 2016-09-28 Tanusree Khandai

We investigate a class of Lie algebras which we call {\it generalized reductive Lie algebras}. These are generalizations of semi-simple, reductive, and affine Kac-Moody Lie algebras. A generalized reductive Lie algebra which has an…

Quantum Algebra · Mathematics 2007-05-23 Saeid Azam

In this paper, we study the irreducible objects of the category Cf in of integrable representations for Map full Toroidal Lie algebras with finite dimensional weight spaces. These representations turn out to be single point evaluation…

Representation Theory · Mathematics 2024-10-08 Pradeep Bisht , Punita Batra

We construct a new family of irreducible modules over any basic classical affine Kac-Moody Lie superalgebra which are induced from modules over the Heisenberg subalgebra. We also obtain irreducible deformations of these modules for the…

Representation Theory · Mathematics 2022-02-10 Luan Pereira Bezerra , Lucas Calixto , Vyacheslav Futorny , Iryna Kashuba

In this paper we study the representations of loop Affine-Virasoro Algebras. As they have canonical triangular decomposition, we define Verma modules and its irreducible quotients. We give necessary and sufficient condition for an…

Representation Theory · Mathematics 2020-01-29 S. Eswara Rao
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