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For a restricted Lie superalgebra g over an algebraically closed field of characteristic p > 2, we generalize the deformation method of Premet and Skryabin to obtain results on the p-power and 2-power divisibility of dimensions of…

Representation Theory · Mathematics 2009-10-13 Lei Zhao

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

Suppose $g=g_0+g_1$ is a finite-dimensional restricted Lie superalgebra over an algebraically closed field $k$ of characteristic $p>2$. In this article, we propose a conjecture for maximal dimensions of irreducible modules over the…

Representation Theory · Mathematics 2024-10-10 Bin Shu

We consider the finite W-superalgebras for a basic classical Lie superalgebra g associated with an even nilpotent element in g both over the field of complex numbers field and and over a filed of positive characteristic. We present the PBW…

Representation Theory · Mathematics 2014-05-13 Yang Zeng , Bin Shu

In 1971 Kac and Weisfeiler made two important conjectures regarding the representation theory of restricted Lie algebras over fields of positive characteristic. The first of these predicts the maximal dimension of the simple modules, and…

Representation Theory · Mathematics 2016-06-10 Lewis Topley

The modular representation theory of the queer Lie superalgebra q(n) over characteristic p>2 is developed. We obtain a criterion for the irreducibility of baby Verma modules with semisimple p-characters and a criterion for the…

Representation Theory · Mathematics 2011-09-29 Weiqiang Wang , Lei Zhao

In this paper we formulate a conjecture about the minimal dimensional representations of the finite $W$-superalgebra $U(\mathfrak{g}_\bbc,e)$ over the field of complex numbers and demonstrate it with examples including all the cases of type…

Representation Theory · Mathematics 2014-12-23 Yang Zeng , Bin Shu

In 1971, Kac and Weisfeiler made two influential conjectures describing the dimensions of simple modules of a restricted Lie algebra $\mathfrak{g}$. The first predicts the maximal dimension of simple $\mathfrak{g}$-modules and in this paper…

Representation Theory · Mathematics 2019-01-29 Benjamin Martin , David Stewart , Akaki Tikaradze , Lewis Topley

We define the notion of a Lie superalgebra over a field $k$ of characteristic $2$ which unifies the two pre-existing ones - $\mathbb{Z}/2$-graded Lie algebras with a squaring map and Lie algebras in the Verlinde category ${\rm Ver}_4^+(k)$,…

Representation Theory · Mathematics 2025-07-24 Pavel Etingof , Serina Hu

Let $\ggg:=\gl_{m|n}$ be a general linear Lie superalgebra over an algebraically closed field $\mathds{k}=\overline{\mathbb{F}}_p$ of characteristic $p>2$. A module of $\ggg$ is said to be of Kac-Weisfeiler if its dimension coincides with…

Representation Theory · Mathematics 2014-12-23 Yang Zeng , Bin Shu

Let g be the Lie superalgebra p(3) of rank 2 over an algebraically closed field K of characteristic p > 3. We classify all irreducible modules of g, and give the character formulae for irreducible modules.

Representation Theory · Mathematics 2026-01-23 Ye Ren

We shall consider nonrestricted representations of $C_l-$ type Lie algebra over an algebraically closed field of characteristic $p\geq7.$ This paper gives some counter examples to important theory relating to the representations of modular…

Representation Theory · Mathematics 2022-03-01 YangGon Kim

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

We establish a direct connection between the representation theories of Lie algebras and Lie superalgebras (of type A) via Fock space reformulations of their Kazhdan-Lusztig theories. As a consequence, the characters of finite-dimensional…

Representation Theory · Mathematics 2008-07-22 Shun-Jen Cheng , Weiqiang Wang , R. B. Zhang

The finite-dimensional restricted simple Lie algebras of characteristic p > 5 are classical or of Cartan type. The classical algebras are analogues of the simple complex Lie algebras and have a well-advanced representation theory with…

Representation Theory · Mathematics 2015-09-23 Georgia Benkart , Jörg Feldvoss

We present an overview of characteristic identities for Lie algebras and superalgebras. We outline methods that employ these characteristic identities to deduce matrix elements of finite dimensional representations. To demonstrate the…

Mathematical Physics · Physics 2015-06-23 Phillip S. Isaac , Jason L. Werry , Mark D. Gould

The generalized p-characters for the restricted Lie color are defined. The simplicity of the induced modules for the FP triples are determined. As applications, we have obtained an analogue of the Kac-Weisfiler theorem for the algebraic Lie…

Representation Theory · Mathematics 2010-11-09 Chaowen Zhang

Let $k$ be a field of positive characteristic $p>2$. We prove a duality property concerning the kernel of coinduced representations of Lie superalgebras. This property was already proved by M. Duflo for Lie algebras in any characteristic…

Representation Theory · Mathematics 2026-02-10 Sophie Chemla

The main goal of this paper is to introduce the notion of restricted Lie-Rinehart superalgebra over a field of characteristic $p>2$, motivated by a generalization of Hochschild's lemma to the super setting. We extend Schauenburg's proof of…

Representation Theory · Mathematics 2025-11-25 Sofiane Bouarroudj , Quentin Ehret , Abdenacer Makhlouf , Nurtas Shyntas

In recent years, the notion of characteristic polynomial of representations of Lie algebras has been widely studied. This paper provides more properties of these characteristic polynomials. For simple Lie algebras, we characterize the…

Representation Theory · Mathematics 2023-08-10 Korkeat Korkeathikhun , Borworn Khuhirun , Songpon Sriwongsa , Keng Wiboonton
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