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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

Using the tensor identity, we obtain decomposition results for the tensor product of a generalized Verma module with a module $M$ in the category $\mathcal{O}^{\mathfrak{p}}$, based on the decomposition of the restriction of $M$ to the…

Representation Theory · Mathematics 2025-09-18 Antoine Merceron

We classify all simple supermodules over the queer Lie superalgebra $\mathfrak{q}_{2}$ up to classification of equivalence classes of irreducible elements in a certain Euclidean ring.

Representation Theory · Mathematics 2009-04-09 Volodymyr Mazorchuk

The aim of this paper is to unify classification theories of torsion classes of finite dimensional algebras and commutative Noetherian rings. For a commutative Noetherian ring $R$ and a module-finite $R$-algebra $\Lambda$, we study the set…

Representation Theory · Mathematics 2023-05-30 Osamu Iyama , Yuta Kimura

In this paper, we classify simple smooth modules over the superconformal current algebra $\frak g$. More precisely, we first classify simple smooth modules over the Heisenberg-Clifford algebra, and then prove that any simple smooth $\frak…

Representation Theory · Mathematics 2023-05-30 Dong Liu , Yufeng Pei , Limeng Xia , Kaiming Zhao

In this work, we begin studying the classification, up to isomorphism, of unstable H*V-A-modules E such that the tensor product of F_2 and E over H*V is isomorphic to a given unstable A-module.

Algebraic Topology · Mathematics 2009-04-21 Dorra Bourguiba

Over an arbitrary field, we prove that the relative 2-Deligne tensor product of two separable module 2-categories over a compact semisimple tensor 2-category exists. This allows us to consider the Morita 4-category of compact semisimple…

Category Theory · Mathematics 2024-11-08 Thibault D. Décoppet

We show that the category of $C_1$-cofinite modules for the universal $N=1$ super Virasoro vertex operator superalgebra $\mathcal{S}(c,0)$ at any central charge $c$ is locally finite and admits the vertex algebraic braided tensor category…

Quantum Algebra · Mathematics 2026-01-23 Thomas Creutzig , Robert McRae , Florencia Orosz Hunziker , Jinwei Yang

Let $G$ be a connected reductive algebraic group defined over an algebraically closed field %$k$ of characteristic $p > 0$. Our first aim in this note is to give concise and uniform proofs for two fundamental and deep results in the context…

Representation Theory · Mathematics 2011-03-29 M. Bate , S. Herpel , B. Martin , G. Roehrle

In this article we classify indecomposable objects of the derived categories of finitely-generated modules over certain infinite-dimensional algebras. The considered class of algebras (which we call nodal algebras) contains such well-known…

Representation Theory · Mathematics 2007-05-23 Igor Burban , Yuriy Drozd

We use ideas from the Strominger--Yau--Zaslow conjecture and microlocal sheaf theory to define graded modules associated with permissible $C^{\infty}$-divisors on compact tropical manifolds. A $C^{\infty}$-divisor is a generalization of a…

Algebraic Geometry · Mathematics 2023-06-22 Yuki Tsutsui

We classify indecomposable commutative separable (special Frobenius) algebras and their local modules in (untwisted) group-theoretical modular categories. This gives a description of modular invariants for group-theoretical modular data. As…

Quantum Algebra · Mathematics 2009-08-10 Alexei Davydov

For a connected semisimple algebraic group $G$, we consider some special infinite series of tensor products of simple $G$-modules whose $G$-fixed point spaces are at most one-dimensional. We prove that their existence is closely related to…

Representation Theory · Mathematics 2007-06-13 Vladimir L. Popov

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

We study (relative) K-Mittag-Leffler modules, with emphasis on the class K of absolutely pure modules. A final goal is to describe the K-Mittag-Leffler abelian groups as those that are, modulo their torsion part, aleph_1-free, Cor.6.12.…

Rings and Algebras · Mathematics 2013-01-08 Philipp Rothmaler

In this paper, we study the combinatorics of congruence subgroups of the modular group by generalizing results obtained in the non-modular case. For this, we define a notion of irreducible solutions from which we can build all the…

Combinatorics · Mathematics 2021-12-08 Flavien Mabilat

The problem of classification of infinite subalgebras of Cend_N and of gc_N that acts irreducibly on $\Bbb C[\partial]^N$ is discussed in this paper.

Mathematical Physics · Physics 2007-05-23 C. Boyallian , V. G. Kac , J. I. Liberati

We provide a classification and an explicit realization of all irreducible Gelfand-Tsetlin modules of the complex Lie algebra sl(3). The realization of these modules uses regular and derivative Gelfand-Tsetlin tableaux. In particular, we…

Representation Theory · Mathematics 2020-01-22 Vyacheslav Futorny , Dimitar Grantcharov , Luis Enrique Ramirez

We generalize the construction of tensor categories of endomorphisms of a type III factor $M$ associated with a $G$-kernel, from the case of a discrete group $G$ to that of a compact second countable group. Our approach is based on the…

Operator Algebras · Mathematics 2026-05-19 Marcel Bischoff , Pradyut Karmakar

In this paper, we obtain a class of Virasoro modules by taking tensor products of the irreducible Virasoro modules $\Omega(\lambda,\alpha,h)$ defined in \cite{CG}, with irreducible highest weight modules $V(\theta,h)$ or with irreducible…

Representation Theory · Mathematics 2017-09-01 Xiangqian Guo , Xuewen Liu , Jing Wang