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This paper introduces calibrated representations for affine Hecke algebras and classifies and constructs all finite dimensional irreducible calibrated representations. The primary technique is to provide indexing sets for controlling the…

Representation Theory · Mathematics 2007-05-23 Arun Ram

For each integer $t>0$ and each complex simple Lie algebra $\mathfrak{g}$, we determine the least dimension of an irreducible highest weight representation of $\mathfrak{g}$ whose highest weight has height $t$. As a corollary, we classify…

Representation Theory · Mathematics 2016-03-11 Daniel Goldstein , Robert Guralnick , Richard Stong

In this paper we classify all irreducible cuspidal modules over a solenoidal Lie algebra over a rational quantum torus, generalizing the results in [BF2], [Su] and [Xu2].

Representation Theory · Mathematics 2019-04-16 Chengkang Xu

Lie conformal algebras $\mathcal{W}(a,b)$ are the semi-direct sums of Virasoro Lie conformal algebra and its nontrivial conformal modules of rank one. In this paper, we first give a complete classification of all finite nontrivial…

Quantum Algebra · Mathematics 2019-01-25 Lipeng Luo , Yanyong Hong , Zhixiang Wu

We describe a systematic method to construct arbitrary highest-weight modules, including arbitrary finite-dimensional representations, for any finite dimensional simple Lie algebra $\mathfrak{g}$. The Lie algebra generators are represented…

High Energy Physics - Theory · Physics 2022-02-15 A. Morozov , M. Reva , N. Tselousov , Y. Zenkevich

Let d \subset d' be finite-dimensional Lie algebras, H = U(d), H'=U(d') the corresponding universal enveloping algebras endowed with the cocommutative Hopf algebra structure. We show that if L is a primitive Lie pseudoalgebra over H then…

Quantum Algebra · Mathematics 2020-05-18 Alessandro D'Andrea

We define a filtration indexed by the integers on the tensor product of an integrable highest weight module and a loop module for a quantum affine algebra. We prove that the filtration is either trivial or strictly decreasing and give…

Quantum Algebra · Mathematics 2012-09-05 Vyjayanthi Chari , Jacob Greenstein

We present methods and explicit formulas for describing simple weight modules over twisted generalized Weyl algebras. When a certain commutative subalgebra is finitely generated over an algebraically closed field we obtain a classification…

Representation Theory · Mathematics 2007-05-23 Jonas T. Hartwig

We classify the finite dimensional indecomposable sl(m/n)-modules with at least a typical or singly atypical primitive weight. We do this classification not only for weight modules, but also for generalized weight modules. We obtain that…

Representation Theory · Mathematics 2015-06-26 Yucai Su

We classify finite irreducible conformal modules over a class of infinite Lie conformal algebras ${\frak {B}}(p)$ of Block type, where $p$ is a nonzero complex number. In particular, we obtain that a finite irreducible conformal module over…

Rings and Algebras · Mathematics 2017-12-20 Yucai Su , Chunguang Xia , Lamei Yuan

We show that the irreducible components of any moduli space of semistable representations of a special biserial algebra are always isomorphic to products of projective spaces of various dimensions. This is done by showing that irreducible…

Representation Theory · Mathematics 2020-03-03 Andrew T. Carroll , Calin Chindris , Ryan Kinser , Jerzy Weyman

Consider a finite-dimensional algebra $A$ and any of its moduli spaces $\mathcal{M}(A,\mathbf{d})^{ss}_{\theta}$ of representations. We prove a decomposition theorem which relates any irreducible component of…

Representation Theory · Mathematics 2018-09-25 Calin Chindris , Ryan Kinser

In this paper we classify and give Kazhdan-Lusztig type character formulas for equivariantly irreducible representations of Lie algebras of reductive algebraic groups over a field of large positive characteristic. The equivariance is with…

Representation Theory · Mathematics 2020-11-17 Roman Bezrukavnikov , Ivan Losev

We apply the construction of the universal lower-bounded generalized twisted modules by the author to construct universal lower-bounded and grading-restricted generalized twisted modules for affine vertex (operator) algebras. We prove that…

Quantum Algebra · Mathematics 2020-10-08 Yi-Zhi Huang

We consider the principal subspaces of certain level $k\geqslant 1$ integrable highest weight modules and generalized Verma modules for the untwisted affine Lie algebras in types $D$, $E$ and $F$. Generalizing the approach of G. Georgiev we…

Quantum Algebra · Mathematics 2022-10-17 Marijana Butorac , Slaven Kožić

In this paper, we study a class of infinite simple Lie conformal algebras associated to a class of generalized Block type Lie algebras. The central extensions, conformal derivations and free intermediate series modules of this class of Lie…

Representation Theory · Mathematics 2019-07-01 Yanyong Hong , Yang Pan , Haibo Chen

In this paper, we first show that for an acyclic gentle algebra A, the irreducible components of any moduli space of A-modules are products of projective spaces. Next, we show that the nice geometry of the moduli spaces of modules of an…

Representation Theory · Mathematics 2014-07-30 Andrew T. Carroll , Calin Chindris

In this paper, we construct a class of non-weight modules over the affine-Virasoro algebra of type $A_1$ by taking tensor products of irreducibles defined in [Q. Chen, J. Han, Non-weight modules over the affine-Virasoro algebra of type…

Representation Theory · Mathematics 2021-02-02 Qiu-Fan Chen , Yu-Feng Yao

We classify simple weight modules over infinite dimensional Weyl algebras and realize them using the action on certain localizations of the polynomial ring. We describe indecomposable projective and injective weight modules and deduce from…

Representation Theory · Mathematics 2012-10-22 Vyacheslav Futorny , Dimitar Grantcharov , Volodymyr Mazorchuk

Let $L((n-\tfrac 3 2)\Lambda_0)$, $n \in \Bbb N$, be a vertex operator algebra associated to the irreducible highest weight module $L((n-\tfrac 3 2)\Lambda_0)$ for a symplectic affine Lie algebra. We find a complete set of irreducible…

q-alg · Mathematics 2008-02-03 Drazen Adamovic
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