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We construct a just infinite fractal 3-generated Lie superalgebra $\mathbf Q$ over arbitrary field, which gives rise to an associative hull $\mathbf A$, a Poisson superalgebra $\mathbf P$, and two Jordan superalgebras $\mathbf J$, $\mathbf…

Rings and Algebras · Mathematics 2018-04-24 Victor Petrogradsky , Ivan Shestakov

In this note, we will discuss what kind of operators between C*-algebras preserves Jordan triple products {a,b,c}= (ab*c + cb*a)/2. These include especially isometries and disjointness preserving operators.

Functional Analysis · Mathematics 2016-09-07 Ngai-Ching Wong

We classify two classes of B_2-graded Lie algebras which have a second compatible grading by an abelian group A: (a) graded-simple Lie algebras for A torsion-free and (b) division-A-graded Lie algebras. Our results describe the centreless…

Rings and Algebras · Mathematics 2013-12-17 Erhard Neher , Maribel Tocón

Given a symmetric Leibniz algebra $(\mathcal{L},.)$, the product is Lie-admissible and defines a Lie algebra bracket $[\;,\;]$ on $\mathcal{L}$. Let $G$ be the connected and simply-connected Lie group associated to $(\mathcal{L},[\;,\;])$.…

Rings and Algebras · Mathematics 2021-02-02 Abchir Hamid , Fatima-Ezzahrae Abid , Mohamed Boucetta

Albert algebras, a specific kind of Jordan algebra, are naturally distinguished objects among commutative non-associative algebras and also arise naturally in the context of simple affine group schemes of type $F_4$, $E_6$, or $E_7$. We…

Rings and Algebras · Mathematics 2023-03-15 Skip Garibaldi , Holger P. Petersson , Michel L. Racine

The set of formal power series with coefficients in an associative but noncommutative algebra becomes a loop with the substitution product. We initiate the study of this loop by describing certain Lie and Sabinin algebras related to it.…

Group Theory · Mathematics 2018-03-14 José M. Pérez-Izquierdo

We construct Lie algebras arising from cubic norm pairs over arbitrary commutative base rings. Such Lie algebras admit a grading by a root system of type $G_2$, and when the cubic norm pair is a cubic Jordan matrix algebra, the…

Rings and Algebras · Mathematics 2026-02-09 Tom De Medts , Torben Wiedemann

In a Euclidean Jordan algebra V of rank n which carries the trace inner product, to each element x we associate the eigenvalue vector whose components are the eigenvalues of x written in the decreasing order. For any number p between (and…

Functional Analysis · Mathematics 2018-09-17 Muddappa Seetharama Gowda

The homology of free Lie algebras with coefficients in tensor products of the adjoint representation working over Q contains important information on the homological properties of polynomial outer functors on free groups. The latter…

Algebraic Topology · Mathematics 2025-12-17 Geoffrey Powell

The semidirect product of a Lie algebra and a 2-term representation up to homotopy is a Lie 2-algebra. Such Lie 2-algebras include many examples arising from the Courant algebroid appearing in generalized complex geometry. In this paper, we…

Differential Geometry · Mathematics 2012-07-05 Yunhe Sheng , Chenchang Zhu

We investigate some infinite dimensional Lie algebras and their associated Poisson structures which arise from a Lie group action on a manifold. If $G$ is a Lie group, $\g$ its Lie algebra and $M$ is a manifold on which $G$ acts, then the…

Differential Geometry · Mathematics 2019-06-27 G. M. Beffa , E. L. Mansfield

Brunnian braids have interesting relations with homotopy groups of spheres. In this work, we study the graded Lie algebra of the descending central series related to Brunnian subgroup of the pure braid group. A presentation of this Lie…

Group Theory · Mathematics 2015-02-13 J. Y. Li , V. V. Vershinin , J. Wu

In this paper we study the structure of a class of algebras satisfying a polynomial identity of degree 6. We show, assuming the existence of a non-zero idempotent, that if an algebra satisfies such an identity, it admits a Peirce…

Rings and Algebras · Mathematics 2022-11-22 Daouda Kabre , André Consiebo

We establish compatibility of Lie structures that appear in homotopy calculus of functors and isotopy calculus of embeddings. On one hand, we give a new proof of the Johnson--Arone--Mahowald result describing the layers of the Goodwillie…

Algebraic Topology · Mathematics 2025-05-05 Danica Kosanović

We extend the loop algebra construction for algebras graded by abelian groups to study graded-simple algebras over the field of real numbers (or any real closed field). As an application, we classify up to isomorphism the graded-simple…

Rings and Algebras · Mathematics 2018-07-03 Yuri Bahturin , Mikhail Kochetov

We describe the weak polynomial identities of the Jordan algebra of symmetric $2\times 2$ matrices over a field of characteristic zero. The corresponding weak verbal ideal is generated by the standard identity of degree four and the…

Rings and Algebras · Mathematics 2020-09-01 Vesselin S. Drensky

Using group actions and orbit-stabilizer methods, we study the geometry of isomorphism classes of finite-dimensional $\omega$-Lie algebras over a field $\mathbb{K}$ of characteristic $\neq 2$ and establish a one-to-one correspondence…

Rings and Algebras · Mathematics 2026-03-24 Yin Chen , Shan Ren , Runxuan Zhang

We prove that the automorphism group of a compact complex parallelizable manifold is Jordan. In the course of the proof we show that outer automorphism groups of cocompact lattices in complex Lie groups have bounded finite subgroups.

Algebraic Geometry · Mathematics 2023-12-01 Aleksei Golota

Several operations can be defined on the set of all linear recurrent sequences, such as the binomial convolution (Hurwitz product) or the multinomial convolution (Newton product). Using elementary techniques, we prove that this set equipped…

Number Theory · Mathematics 2023-02-28 Gessica Alecci , Stefano Barbero , Nadir Murru

We determine every Jordan type partition that occurs as the Jordan block decomposition for the multiplication map by a linear form in a height two homogeneous complete intersection (CI) Artinian algebra $A$ over an algebraically closed…

Commutative Algebra · Mathematics 2021-11-29 Nasrin Altafi , Anthony Iarrobino , Leila Khatami