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We compute the infinitesimal deformations of two families of restricted simple modular Lie algebras of Cartan type: the Witt-Jacobson and the Special Lie algebras.

Rings and Algebras · Mathematics 2009-02-07 Filippo Viviani

In this paper, we study the tensor module $P\otimes M$ over the Witt superalgebra $W_{m,n}^+$ (resp. $W_{m,n}$), where $P$ is a simple module over the Weyl superalgebra $K_{m,n}^+$ (resp. $K_{m,n}$) and $M$ is simple weight module over the…

Representation Theory · Mathematics 2022-07-15 Yaohui Xue , Yan Wang

Let $\mathbb{k}$ be an algebraically closed field of characteristic $ p>0. $ In this short note, we illustrate a class of Lie superalgebras over $ \mathbb{k} $ such that the category of restricted supermodules is of one block. As an…

Representation Theory · Mathematics 2019-07-26 Ke Ou

The maximal graded subalgebras for four families of Lie superalgebras of Cartan type over a field of prime characteristic are studied. All maximal reducible graded subalgebras are described completely and their isomorphism classes,…

Rings and Algebras · Mathematics 2018-07-25 Wei Bai , Wende Liu , Xuan Liu , Hayk Melikyan

In this paper, we construct a large class of new simple modules over the twisted $N=2$ superconformal algebra. These new simple modules are restricted modules based on the simple modules over certain finite-dimensional solvable Lie…

Representation Theory · Mathematics 2025-06-05 Haibo Chen , Yucai Su , Yukun Xiao

In the present paper, a class of new simple modules over the $N=1$ Ramond algebra are constructed, which are induced from simple modules over some finite dimensional solvable Lie superalgebras. These new modules are simple restricted…

Quantum Algebra · Mathematics 2023-02-08 Haibo Chen

We initiate the representation theory of restricted Lie superalgebras over an algebraically closed field of characteristic p>2. A superalgebra generalization of the celebrated Kac-Weisfeiler Conjecture is formulated, which exhibits a…

Representation Theory · Mathematics 2014-02-26 Weiqiang Wang , Lei Zhao

In this paper we initiate the study of the maximal subalgebras of exceptional simple classical Lie algebras \g over algebraically closed fields k of positive characteristic p, such that the prime characteristic is good for \g. In this paper…

Rings and Algebras · Mathematics 2014-11-04 Sebastian Herpel , David I. Stewart

Let $W_n^+$ be the Lie algebra of the Lie algebra of vector fields on $\C^n$. In this paper, we classify all simple bounded weight $W_n^+$ modules. Any such module is isomorphic to the simple quotient of a tensor module $F(P,M)=P\otimes M$…

Representation Theory · Mathematics 2020-01-14 Yaohui Xue , Rencai Lü

We investigate the graded Lie algebras of Cartan type $W$, $S$ and $H$ in characteristic 2 and determine their simple constituents and some exceptional isomorphisms between them. We also consider the graded Lie algebras of Cartan type $K$…

Rings and Algebras · Mathematics 2015-10-09 Tara Brough , Bettina Eick

In this paper, we classify irreducible modules for loop extended Witt algebras with finite dimensional weight spaces. They turn out to be either modules with uniformly bounded weight spaces or highest weight modules. We further prove that…

Representation Theory · Mathematics 2022-12-12 Sachin S. Sharma , Priyanshu Chakraborty , Ritesh Kumar Pandey , S. Eswara Rao

Let $\mathfrak{g}=\mathfrak{g}_{\bar 0}+\mathfrak{g}_{\bar 1}$ be a basic Lie superalgebra over $\mathbb{C}$, and $e$ a minimal nilpotent element in $\mathfrak{g}_{\bar 0}$. Set $W_\chi'$ to be the refined $W$-superalgebra associated with…

Representation Theory · Mathematics 2020-07-02 Yang Zeng , Bin Shu

The complexity of the simple and the Kac modules over the general linear Lie superalgebra $\mathfrak{gl}(m|n)$ of type $A$ was computed by Boe, Kujawa, and Nakano in 2012. A natural continuation to their work is computing the complexity of…

Representation Theory · Mathematics 2017-03-21 Houssein El Turkey

According to V. Kac and J. van de Leur, the superconformal algebras are the simple $\Z$-graded Lie superalgebras of growth one which contains the Witt algebra. We describe an explicit classification of all cuspidal modules over the known…

Representation Theory · Mathematics 2025-05-28 Consuelo Martinez , Olivier Mathieu , Efim Zelmanov

We classify one-dimensional restricted central extensions of the modular Witt Lie algebra in characteristic $p>3$.

Representation Theory · Mathematics 2015-06-16 Tyler J. Evans , Alice Fialowski , Michael Penkava

Let $ W(n) $ be Jacobson-Witt algebra over algebraic closed field $ \mathbb{K} $ with positive characteristic $ p>2. $ It is difficult to classify all Borel subalgebras of $ W(n) $ or non-classical restricted simple Lie algebras. The…

Representation Theory · Mathematics 2019-07-23 Ke Ou , Bin Shu

We classify all simple bounded highest weight modules of a basic classical Lie superalgebra $\mathfrak g$. In particular, our classification leads to the classification of the simple weight modules with finite weight multiplicities over all…

Representation Theory · Mathematics 2019-01-01 Maria Gorelik , Dimitar Grantcharov

A loop-algebraic presentation is given for toroidal Lie superalgebras of classical types. Based on the loop superalgebra presentation free field realizations of toroidal Lie superalgebras are constructed for types $A(m,n)$, $B(m,n)$, C(n)…

Quantum Algebra · Mathematics 2020-08-05 Naihuan Jing , Chongbin Xu

We compute the complexity, z-complexity, and support varieties of the (thick) Kac modules for the Lie superalgebras of type P. We also show the complexity and the z-complexity have geometric interpretations in terms of support and…

Representation Theory · Mathematics 2020-08-12 Brian D. Boe , Jonathan R. Kujawa

Suppose $\mathfrak{g}=\mathfrak{g}_{\bar 0}+\mathfrak{g}_{\bar 1} is a Lie superalgebra of queer type or periplectic type over an algebraically closed field $\textbf{k}$ of characteristic $p>2$. In this article, we initiate preliminarily to…

Representation Theory · Mathematics 2023-07-04 Ye Ren , Bin Shu , Fanlei Yang , An Zhang