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The five simple exceptional complex Lie superalgbras of vector fields are described. One of them is new; the other four are explicitely described for the first time. All of the exceptional Lie superalgebras are obtained with the help of the…

High Energy Physics - Theory · Physics 2007-05-23 Irina Shchepochkina

As an analogy of superalgebra of multivector fields with the Schounte bracket, we introduce a non-trivial superbracket on differential forms of manifold. We show properties of this new superalgebra. We extend this superalgebra by adding one…

General Mathematics · Mathematics 2021-11-30 Kentaro Mikami , Tadayoshi Mizutani

We obtain an explicit formula for the bracket of the exceptional simple Lie algebra E8 based on triality and oct-octonions, following the Barton-Sudbery description of E8. Furthermore, we provide descriptions of the subalgebras E6 and E7…

Differential Geometry · Mathematics 2026-05-19 Andreas Kollross

Recently one of the authors obtained a classification of simple infinite-dimensional Lie superalgebras of vector fields which extends the well-known classification of E. Cartan in the Lie algebra case. The list consists of many series…

Mathematical Physics · Physics 2014-01-17 Victor G. Kac , Alexi Rudakov

We give explicit formulas proving restrictedness of the following Lie (super)algebras: known exceptional simple vectorial Lie (super)algebras in characteristic 3, deformed Lie (super)algebras with indecomposable Cartan matrix, and (under…

Representation Theory · Mathematics 2024-09-17 Sofiane Bouarroudj , Andrey Krutov , Alexei Lebedev , Dimitry Leites , Irina Shchepochkina

On a given manifold M, the Nijenhuis bracket makes the superspace of vector-valued differential forms into a Lie superalgebra that can be interpreted as the centralizer of the exterior differential considered as a vector field on the…

Representation Theory · Mathematics 2015-06-26 Pavel Grozman , Dimitry Leites

We continue the study of irreducible representations of the exceptional Lie superalgebra E(3,6). This is one of the two simple infinite-dimensional Lie superalgebras of vector fields which have a Lie algebra sl(3)\times sl(2)\times gl(1) as…

Mathematical Physics · Physics 2014-01-17 Victor G. Kac , Alexei Rudakov

This work provides five explicit constructions of the exceptional Lie algebra $\mathfrak{e}_8$, based on its semisimple subalgebras of maximal rank. Each of these models is graded by an abelian group, namely, $\mathbb{Z}_4$, $\mathbb{Z}_5$,…

Rings and Algebras · Mathematics 2025-08-12 Yolanda Cabrera , Cristina Draper , Antonio Garvin

A brief proof of Lie's classification of finite dimensional subalgebras of vector fields on the complex plane that have a proper Levi decomposition is given. The proof uses basic representation theory of sl(2, C). This, combined with…

Representation Theory · Mathematics 2025-07-31 Hassan Azad , Indranil Biswas , Ahsan Fazil , Fazal M. Mahomed

For a finitely generated integral super domain $A$, we prove the Lie superalgebra $\mathcal{V} = Der(A)$ of super derivations is a simple Lie superalgebra.

Rings and Algebras · Mathematics 2023-01-20 Henrique Rocha

This article classifies the real forms of Lie Superalgebra by Vogan diagrams, developing Borel and de Seibenthal theorem of semisimple Lie algebras for Lie superalgebras. A Vogan diagram is a Dynkin diagram of triplet…

Representation Theory · Mathematics 2016-05-10 B. Ransingh , K. C. Pati

We call a finite, spanning set of a semi-simple real Lie algebra a distinguished set if it satisfies the following property: The Lie bracket of any two elements out of the set is, up to some constant, another element in the set; conversely,…

Rings and Algebras · Mathematics 2020-04-28 Xudong Chen , Bahman Gharesifard

We determine the structure of the $*$-Lie superalgebra generated by a set of carefully chosen natural operators of an orientable WSD manifold of rank three. This Lie superalgebra is formed by global sections of a natural Lie superalgebra…

Differential Geometry · Mathematics 2007-07-12 Giovanni Gaiffi , Michele Grassi

We introduce and study a construction of higher derived brackets generated by a (not necessarily inner) derivation of a Lie superalgebra. Higher derived brackets generated by an element of a Lie superalgebra were introduced in our earlier…

Quantum Algebra · Mathematics 2019-01-08 Theodore Th. Voronov

Here, in every simple finite-dimensional vectorial Lie superalgebra considered with the standard grading where every indeterminate is of degree 1, the maximal graded solvable subalgebras are classified over $\mathbb{C}$.

Representation Theory · Mathematics 2025-06-25 Irina Shchepochkina

We describe certain almost-simple algebraic supergroups over an algebraically closed field of odd or zero characteristic. In addition to supergroups with simple Lie superalgebras from Kac's theorem, we construct new supergroups whose Lie…

Rings and Algebras · Mathematics 2025-11-21 S. Bouarroudj , A. N. Zubkov

We classify open maximal subalgebras of all infinite-dimensional linearly compact simple Lie superalgebras. This is applied to the classification of infinite-dimensional Lie superalgebras of vector fields, acting transitively and…

Quantum Algebra · Mathematics 2014-01-17 Nicoletta Cantarini , Victor Kac

We realize the exceptional superconformal algebra $CK_6$, spanned by 32 fields, inside the Lie superalgebra of pseudodifferential symbols on the supercircle $S^{1|3}$. We obtain a one-parameter family of irreducible representations of…

High Energy Physics - Theory · Physics 2007-05-23 Elena Poletaeva

We classify the solvable subalgebras, semisimple subalgebras, and Levi decomposable subalgebras of $\mathfrak{so}(4,\mathbb{C})$, up to inner automorphism. By Levi's Theorem, this is a full classification of the subalgebras of…

Representation Theory · Mathematics 2015-03-09 Andrew Douglas , Joe Repka

We prove that the bracket width of the simple Lie algebra of vector fields $\rm{Vec}(C)$ of a smooth irreducible affine curve $C$ with a trivial tangent sheaf is at most three. In addition, if $C$ is a plane curve, the bracket width of…

Rings and Algebras · Mathematics 2022-10-27 Ievgen Makedonskyi , Andriy Regeta
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