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The present paper is devoted to local and 2-local derivations and automorphism of complex finite-dimensional simple Leibniz algebras. We prove that all local derivations and 2-local derivations on a finite-dimensional complex simple Leibniz…

Rings and Algebras · Mathematics 2017-09-11 Shavkat Ayupov , Karimbergen Kudaybergenov , Bakhrom Omirov

We prove that every local derivation on a finite-dimensional semisimple Lie algebra over an algebraically closed field of characteristic zero is a derivation. We also give examples of finite-dimensional nilpotent Lie algebras $\mathcal{L}$…

Rings and Algebras · Mathematics 2015-08-24 Shavkat Ayupov , Karimbergen Kudaybergenov

In the present paper, local derivations and local automorphisms of five-dimensional naturally graded nilpotent associative algebras are studied. Namely, a general form of the matrices of local derivations and local automorphisms of algebras…

Rings and Algebras · Mathematics 2026-04-15 Farkhodzhon Arzikulov , Utkir Khakimov , Abduqaxxor Qurbonov

Let $\n_{d,t}$ be the free nilpotent Lie algebra of type $d$ and nilindex $t$. Starting out with the derivation algebra and the automorphism group of $\n_{d,t}$, we get a natural description of derivations and automorphisms of any generic…

Rings and Algebras · Mathematics 2023-07-12 Pilar Benito , Jorge Roldán-López

We prove that every $2$-local automorphism on a finite-dimensional semi-simple Lie algebra $\mathcal{L}$ over an algebraically closed field of characteristic zero is an automorphism. We also show that each finite-dimensional nilpotent Lie…

Rings and Algebras · Mathematics 2016-02-18 Shavkat Ayupov , Karimbergen Kudaybergenov

We prove that a linear mapping on the algebra \(\mathfrak{sl}_n\) of all trace zero complex matrices is a local automorphism if and only if it is an automorphism or an anti-automorphism. We also show that a linear mapping on a simple…

Rings and Algebras · Mathematics 2018-03-13 Shavkat Ayupov , Karimbergen Kudaybergenov

In the present paper automorphisms, local and 2-local automorphisms of $n$-dimensional null-filiform and filiform associative algebras are studied. Namely, a common form of the matrix of automorphisms and local automorphisms of these…

Rings and Algebras · Mathematics 2023-05-24 F. N. Arzikulov , I. A. Karimjanov , S. M. Umrzaqov

In this paper we investigate locally nilpotent derivations on the polynomial algebra in three variables over a field of characteristic zero. We introduce an iterating construction giving all locally nilpotent derivations of rank $2$. This…

Commutative Algebra · Mathematics 2023-12-12 Nikhilesh Dasgupta , Sergey Gaifullin

We show that in the class of solvable Lie algebras there exist algebras which admit local derivations which are not ordinary derivation and also algebras for which every local derivation is a derivation. We found necessary and sufficient…

Rings and Algebras · Mathematics 2018-03-20 Sh. A. Ayupov , A. Kh. Khudoyberdiyev

Let $K$ be an algebraically closed field of characteristic zero and $A$ an integral $K$-domain. The Lie algebra $Der_{K}(A)$ of all $K$-derivations of $A$ contains the set $LND(A)$ of all locally nilpotent derivations. The structure of…

Rings and Algebras · Mathematics 2016-08-05 A. P. Petravchuk , K. Ya. Sysak

In this paper is devoted to nilpotent finite-dimensional evolution algebras E with $dimE^2 = dimE-1$. We described Lie algebras associated with evolution algebras whose nilindex is maximal. Moreover, in terms of this Lie algebra we fully…

Rings and Algebras · Mathematics 2018-06-12 Farrukh Mukhamedov , Otabek Khakimov , Bakhrom Omirov , Izzat Qaralleh

In this paper, we investigate the existence of fixed-point-free automorphisms for finite-dimensional Lie algebras. By a result of Jacobson, a Lie algebra admitting a fixed-point-free automorphism is solvable. We prove that such a Lie…

Rings and Algebras · Mathematics 2026-05-01 Dietrich Burde , Karel Dekimpe

We investigate the commuting automorphisms of nilpotent Lie algebras $L$ with coclass $\leq 3$. Our examination exposes the conditions under which the set of commuting automorphisms of $L$ forms a subgroup within its automorphism group.

Rings and Algebras · Mathematics 2024-04-22 Shushma Rani , Niranjan Nehra , Rohit Garg

This paper is devoted to study local automorphisms of $p$-filiform Leibniz algebras. We prove that $p$-filiform Leibniz algebras as a rule admit local automorphisms which are not automorphisms.

Rings and Algebras · Mathematics 2023-06-21 Bakhtiyor Yusupov

This paper is devoted to the study of local and 2-local derivations of nullfiliform, filiform and naturally graded quasi-filiform associative algebras. We prove that these algebras as a rule admit local derivations which are not…

Rings and Algebras · Mathematics 2023-06-27 K. K. Abdurasulov , Sh. A. Ayupov , B. B. Yusupov

We give a full classification of 6-dimensional nilpotent Lie algebras over an arbitrary field, including fields that are not algebraically closed and fields of characteristic~2. To achieve the classification we use the action of the…

Rings and Algebras · Mathematics 2020-06-26 Serena Cicalo , Willem A de Graaf , Csaba Schneider

We prove that each local Lie $n$-derivation is a Lie $n$-derivation under mild assumptions on the unital algebras with a nontrivial idempotent. As applications, we obtain descriptions of local Lie $n$-derivations on generalized matrix…

Operator Algebras · Mathematics 2022-05-03 Shan Li , Jiankui Li

In this paper, we first study derivations in non nilpotent Lie triple algebras. We determine the structure of derivation algebra according to whether the algebra admits an idempotent or a pseudo-idempotent. We study the multiplicative…

Rings and Algebras · Mathematics 2019-05-30 Abdoulaye Dembega , Amidou Konkobo , Moussa Ouattara

In this paper we prove that any local automorphism on the solvable Leibniz algebras with null-filiform and naturally graded non-Lie filiform nilradicals, whose dimension of complementary space is maximal is an automorphism. Furthermore, the…

Rings and Algebras · Mathematics 2022-06-15 F. N. Arzikulov , I. A. Karimjanov , S. M. Umrzaqov

We study Lie algebra prederivations. A Lie algebra admitting a non-singular prederivation is nilpotent. We classify filiform Lie algebras admitting a non-singular prederivation but no non-singular derivation. We prove that any 4-step…

Rings and Algebras · Mathematics 2007-05-23 Dietrich Burde
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