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This paper explores the properties of multiplicative Lie algebra structures on a nilpotent group of class $2$. We also present a method for determining a multiplicative Lie algebra structure on a group that serves as an extension of one Lie…

Group Theory · Mathematics 2024-09-26 Deepak Pal , Amit Kumar , Sumit Kumar Upadhyay

We determine the maximal dimension of totally geodesic subalgebras of N-graded filiform Lie algebras, and we show that these bounds are attained.

Differential Geometry · Mathematics 2013-02-28 Grant Cairns , Ana Hinić Galić , Yuri Nikolayevsky

Nilpotent Leibniz algebras with isomorphic maximal subalgebras are considered. The algebras are classified for coclass zero, one, and two. The results are field dependent.

Rings and Algebras · Mathematics 2022-05-27 Lindsey Farris

In this paper we consider the problem of classifying the $(n-5)$-filiform Lie algebras. This is the first index for which infinite parametrized families appear, as can be seen in dimension $7.$ Moreover we obtain large families of…

Rings and Algebras · Mathematics 2007-05-23 Jose Maria Ancochea , Otto Rutwig Campoamor

We characterize those modular group algebras FG whose group of unitary units is locally nilpotent under the classical involution of FG.

Group Theory · Mathematics 2018-01-17 Victor A. Bovdi

In this paper, we classify all capable nilpotent Lie algebras with the derived subalgebra of dimension 2 over an arbitrary field. Moreover, the explicit structure of such Lie algebras of class 3 is given.

Rings and Algebras · Mathematics 2021-05-21 Peyman Niroomand , Farangis Johari , Mohsen Parvizi

We develop a structure theory for nilpotent symplectic alternating algebras. We then give a classification of all nilpotent symplectic alternating algebras of dimension up to 10 over any field. The study reveals a new subclasses of powerful…

Rings and Algebras · Mathematics 2024-07-08 Layla Hamad Elnil Mugbil Sorkatti

We study group-graded Lie algebras L with finite support X. We show that L is nilpotent of |X|-bounded class if X is arithmetically-free. Conversely: we show that Y supports the grading of a non-nilpotent Lie algebra if Y is not…

Rings and Algebras · Mathematics 2016-08-04 Wolfgang Alexander Moens

The filiform and the quasi-filiform Lie algebras form a special class of nilpotent Lie algebras. The aim of this paper is to compute the index and provide regular vectors of this two class of nilpotent Lie algebras. we consider the graded…

Representation Theory · Mathematics 2012-12-10 Hadjer Adimi , Abdenacer Makhlouf

We characterize those graphs which correspond to a rigid 2-step nilpotent Lie algebra in the variety of at most 2-step nilpotent Lie algebras.

Rings and Algebras · Mathematics 2022-06-22 Josefina Barrionuevo , Paulo Tirao

We classify all nonnilpotent, solvable Leibniz algebras with the property that all proper subalgebras are nilpotent. This generalizes the work of Stitzinger and Towers in Lie algebras. We show several examples which illustrate the…

Rings and Algebras · Mathematics 2017-09-06 Lindsey Bosko-Dunbar , Jonathan Dunbar , J. T. Hird , Kristen Stagg Rovira

We provide an explicit construction for a complete set of orthogonal primitive idempotents of finite group algebras over nilpotent groups. Furthermore, we give a complete set of matrix units in each simple epimorphic image of a finite group…

Representation Theory · Mathematics 2013-02-19 Inneke Van Gelder , Gabriela Olteanu

The paper studies nilpotent $n$-Lie superalgebras. More specifically speaking, we first prove Engel's theorem for $n$-Lie superalgebras. Second, we research some properties of nilpotent $n$-Lie superalgebras, Finally, we give several…

Rings and Algebras · Mathematics 2015-02-03 Baoling Guan , Liangyun Chen , Ma Yao

We describe maximal nilpotent subsemigroups of a given nilpotency class in the semigroup $\Omega_n$ of all $n\times n$ real matrices with non-negative coefficients and the semigroup $\mathbf{D}_n$ of all doubly stochastic real matrices.

Group Theory · Mathematics 2010-04-02 Olexandr Ganyushkin , Volodymyr Mazorchuk

A Lie algebra $L$ is said to be of breadth $k$ if the maximal dimension of the images of left multiplication by elements of the algebra is $k$. In this paper we give characterization of finite dimensional nilpotent Lie algebras of breadth…

Rings and Algebras · Mathematics 2014-10-13 Borworn Khuhirun , Kailash C. Misra , Ernie Stitzinger

In this paper, nilpotent n-Lie algebras of dimension n + 3 as well as nilpotent n-Lie algebras of class 2 and dimension n + 4 are classified.

Rings and Algebras · Mathematics 2018-10-10 Mehdi Eshrati , Farshid Saeedi , Hamid Darabi

We characterize those nilpotent algebras of prime power order and finite type in congruence modular varieties that have infinitely many polynomially inequivalent congruence preserving expansions.

Rings and Algebras · Mathematics 2020-11-25 Erhard Aichinger , Gábor Horváth

We give a classification of the principal and distinguished nilpotent pairs in all classical Lie algebras. As a classification of the principal pairs in the exceptional simple Lie algebras was obtained earlier (see Appendix to Ginzburg's…

Representation Theory · Mathematics 2007-05-23 Alexander G. Elashvili , Dmitri I. Panyushev

For a Lie algebra $L$ and a subalgebra $M$ of $L$ we say that a subalgebra $U$ of $L$ is a {\em supplement} to $M$ in $L$ if $L = M + U$. We investigate those Lie algebras all of whose maximal subalgebras have abelian supplements, those…

Rings and Algebras · Mathematics 2010-07-29 David A. Towers

In this paper, we classify finite-dimensional nilpotent Lie superalgebras of superbreadth at most two.

Rings and Algebras · Mathematics 2022-09-07 A. Shamsaki , P. Niroomand , M. Ladra