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This article begins the study of irreducible maps involving finite-dimensional uniserial modules over finite-dimensional associative algebras. We work on the classification of irreducible maps between two uniserials over triangular…

Representation Theory · Mathematics 2007-11-26 Axel Boldt , Ahmad Mojiri

The aim of this paper is to extend the structure theory for infinitely generated modules over tame hereditary algebras to the more general case of modules over concealed canonical algebras. Using tilting, we may assume that we deal with…

Representation Theory · Mathematics 2007-05-23 Idun Reiten , Claus Michael Ringel

We explain the precise relationship between two module-theoretic descriptions of sheaves on an involutive quantale, namely the description via so-called Hilbert structures on modules and that via so-called principally generated modules. For…

Category Theory · Mathematics 2009-06-11 Hans Heymans , Isar Stubbe

Let $G$ be a simple, simply connected algebraic group over an algebraically closed field of positive characteristic $p$. In recent work, the authors have studied a graded analogue of the category of rational $G$-modules. These gradings are…

Representation Theory · Mathematics 2013-05-28 Brian J. Parshall , Leonard L. Scott

We show that in characteristic zero all irreducible symmetrically braided Hopf algebras are of PBW type. Consequently, we obtain conditions for a braided Hopf algebra to be of PBW type as module over a braided Hopf subalgebra containing the…

Quantum Algebra · Mathematics 2015-03-17 Bogdan Ion

We consider algebras and Frobenius algebras, internal to a monoidal category, that are graded over a finite abelian group. For the case that A is a twisted group algebra in a linear abelian monoidal category we obtain a graded…

Quantum Algebra · Mathematics 2025-06-06 Jürgen Fuchs , Tobias Grøsfjeld

The paper is to classify irreducible integrable modules for the twisted full toroidal Lie algebra with some technical conditions. The twisted full toroidal Lie algebra are extensions of multiloop algebra twisted by sevaral finite order…

Representation Theory · Mathematics 2015-09-10 S. Eswara Rao , Punita Batra

We show that modular operads are equivalent to modules over a certain simple properad which we call the Brauer properad. Furthermore, we show that, in this setting, the Feynman transform corresponds to the cobar construction for modules of…

Quantum Algebra · Mathematics 2022-12-21 Robin Stoll

It is shown the construction of a module structure [2] with universe over a set of a particular kind of mathematical proofs, the base ring of this module will be built on a maximal consistent extension of a set of propositions, this…

Logic · Mathematics 2013-07-25 Kevin Davila Castellar , Ismael Gutierrez Garcia

We give a definition of an amenable fusion module over a fusion algebra. A notion of relative integrability for the `coduals' of coideals of compact quantum groups was recently introduced in the joint work of de Commer and Dzokou Talla. We…

Quantum Algebra · Mathematics 2023-11-21 Benjamin Anderson-Sackaney , Leonid Vainerman

In this paper, a general setting is proposed to define a class of modules over nonsemisimple Lie algebras $\mathfrak{g}$ induced by a nonperfect ideal $\mathfrak{p}$. This class of Lie algebras includes many well-known Lie algebras, and…

Representation Theory · Mathematics 2025-08-11 Cunguang Cheng , Wenting Gao , Shiyuan Liu , Kaiming Zhao , Yueqiang Zhao

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

Let $\mathbb K$ be an algebraically closed field of characteristic zero. Let $V$ be a module over the polynomial ring $\mathbb K[x,y]$. The actions of $x$ and $y$ determine linear operators $P$ and $Q$ on $V$ as a vector space over $\mathbb…

Rings and Algebras · Mathematics 2017-01-16 A. P. Petravchuk , K. Ya. Sysak

In this paper, we study the representation theory of the universal central extension $\mathcal{G}$ of the infinite-dimensional Galilean conformal algebra, introduced by Bagchi-Gopakumar, in $(2+1)$ dimensional space-time, which was named…

Representation Theory · Mathematics 2025-06-13 Dongfang Gao

Let $A$ be the one point extension of an algebra $B$ by a projective $B$-module. We prove that the extension of a given support $\tau$-tilting $B$-module is a support $\tau$-tilting $A$-module; and, conversely, the restriction of a given…

Representation Theory · Mathematics 2017-05-23 Pamela Suarez

Let $\Lambda$ be a finite dimensional algebra. In this paper we show that there is a natural bijection between cosilting modules in Mod$\Lambda$ and semibricks in Mod$\Lambda$ satisfying some condition. Also this bijection restricts to a…

Representation Theory · Mathematics 2024-03-19 Ramin Ebrahimi , Alireza Nasr-Isfahani

Suppose that $Q$ is a connected quiver without oriented cycles and $\sigma$ is an automorphism of $Q$. Let $k$ be an algebraically closed field whose characteristic does not divide the order of the cyclic group $\langle\sigma\rangle$. The…

Representation Theory · Mathematics 2014-07-07 Mianmian Zhang , Fang Li

We examine the quantum symmetric and exterior algebras of finite-dimensional \uqg-modules first systematically studied by Berenstein and Zwicknagl, and resolve some questions that they raised. We show that the difference (in the…

Quantum Algebra · Mathematics 2012-12-06 Alexandru Chirvasitu , Matthew Tucker-Simmons

This paper is lead by the question whether there is a nice structure theory of finitely generated modules over the Iwasawa algebra, i.e. the completed group algebra, R of a p-adic analytic group G. For G without any p-torsion element we…

Number Theory · Mathematics 2007-05-23 Otmar Venjakob

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
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