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Related papers: Representations of simple Jordan superalgebras

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In this article, we first give a short introduction to conformal algebras. Then we present three families of simple conformal algebras finite growth generated by simple Jordan algebras of types A, B, C.

Quantum Algebra · Mathematics 2007-05-23 Xiaoping Xu

We described $\delta$-derivations and $\delta$-superderivations of simple and semisimple finite-dimensional Jordan superalgebras over algebraic closed fields with characteristic $p\neq2$. We constructed new examples of 1/2-derivations and…

Rings and Algebras · Mathematics 2020-04-03 Ivan Kaygorodov

In this paper we study special representations of finite-dimensional Jordan algebra $J$ whose $Rad^2 J=0$. For each Jordan algebra $J$ of this class we consider its Tits-Kantor-Koecher construction $TKK(J)$ and then associate to the latter…

Representation Theory · Mathematics 2025-09-30 Iryna Kashuba , Vera Serganova

In this paper we describe the Jordan-Holder series of the standard modules over the rational Cherednik algebras associated with the dihedral group. In particular, we compute the characters of the irreducible representations from the…

Representation Theory · Mathematics 2007-05-23 Tatyana Chmutova

We give a simplified complete proof for the classification of the selfinjective representation-finite algebras of finite dimension over an algebraically closed field. We explain the relations between the two different approaches and also to…

Representation Theory · Mathematics 2023-05-30 Klaus Bongartz

We described $\delta$-derivations and $\delta$-superderivations of simple Jordan superalgebra <<KKM Double>> (also known as superalgebra of Jordan brackets) and unital simple finite-dimensional Jordan superalgebras over algebraic closed…

Rings and Algebras · Mathematics 2020-04-03 Ivan Kaygorodov , Victor N. Zhelyabin

This paper presents some results on simple exceptional Jordan algebra over algebraically closed field $\Phi$ with characteristic not 2. Namely an example of simple decomposition of $H(O_3)$ into the sum of two subalgebras of the type…

Rings and Algebras · Mathematics 2007-05-23 M. V. Tvalavadze

In this paper, we mainly study the derivation algebras of semi-simple Jordan algebras over a field of characteristic $0$ and give sufficient and necessary conditions that the derivation algebras of them are simple. As an application, we…

Rings and Algebras · Mathematics 2019-06-12 Chenrui Yao , Yao Ma , Liangyun Chen

We introduce the notion of a generalized representation of a Jordan algebra with unit. The greneralized representation has the following properties: (1) Usual representations and Jacobson representations correspond to special cases of…

Representation Theory · Mathematics 2007-05-23 Issai Kantor , Gregory Shpiz

For semisimple Lie superalgebras over an algebraically closed field of characteristic zero, whose category of finite dimensional super representations is semisismple, we classify all irreducible super representations for which the…

Representation Theory · Mathematics 2010-02-24 T. Krämer , R. Weissauer

The aim of the present short note is to answer the open questions posted by Hern\'andez, Martin, and Rodrigues in {\rm \cite{p1,p2}}. The obtained results give the complete classification of irreducible components in the varieties of Jordan…

Rings and Algebras · Mathematics 2025-12-24 Renato Fehlberg Júnior , Ivan Kaygorodov , Azamat Saydaliyev

We describe degenerations of three-dimensional Jordan superalgebras over $\mathbb{C}$. In particular, we describe all irreducible components in the corresponding varieties.

Rings and Algebras · Mathematics 2020-04-03 María Alejandra Alvarez , Isabel Hernández , Ivan Kaygorodov

We prove that the group of birational automorphisms of a geometrically irreducible algebraic surface over a finite field is Jordan. We show that the analogous statement fails in higher dimensions. Finally, we prove that groups of birational…

Algebraic Geometry · Mathematics 2026-05-26 Alexandr Zaitsev

In this paper, we classify four-dimensional Jordan algebras over an algebraically closed field of characteristic different of two. We establish the list of 73 non-isomorphic Jordan algebras.

Rings and Algebras · Mathematics 2016-02-22 María Eugenia Martin

Given a hyper loop algebra over a non-algebraically closed field, we address multiplicity problems in the underlying abelian tensor category of finite-dimensional representations. Namely, we give formulas for the l-characters of the simple…

Representation Theory · Mathematics 2012-01-04 Dijana Jakelic , Adriano Moura

We describe the group of continuous automorphisms of all simple infinite-dimensional linearly compact Lie superalgebras and use it in order to classify F-forms of these superalgebras over any field F of characteristic zero.

Quantum Algebra · Mathematics 2015-06-26 Nicoletta Cantarini , Victor G. Kac

This paper is devoted to the description of complex finite-dimensional algebras of level two. We obtain the classification of algebras of level two in the varieties of Jordan, Lie and associative algebras.

Rings and Algebras · Mathematics 2015-12-09 A. Kh. Khudoyberdiyev

In this paper, we construct six families of infinite simple conformal superalgebra of finite growth based on our earlier work on constructing vertex operator superalgebras from graded assocaitive algebras. Three subfamilies of these…

Quantum Algebra · Mathematics 2007-05-23 Xiaoping xu

We give a classification of maximal elements of the set of finite groups that can be realized as the full automorphism groups of simple polarized abelian fourfolds over finite fields. As an application, we compute the Jordan constants of…

Number Theory · Mathematics 2021-06-22 WonTae Hwang

In this paper we describe all subalgebras and automorphisms of simple noncommutative Jordan superalgebras $K_3(\alpha,\beta,\gamma)$ and $D_t(\alpha,\beta,\gamma)$ and compute the derivations of the nontrivial simple finite-dimensional…

Rings and Algebras · Mathematics 2020-04-03 Ivan Kaygorodov , Artem Lopatin , Yury Popov