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Related papers: 2-Local derivations on a Block-type Lie algebra

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The present paper is devoted to study 2-local derivations on W-algebra $W(2,2)$ which is an infinite-dimensional Lie algebras with some out derivations. We prove that all 2-local derivations on the W-algebra $W(2,2)$ are derivation. We also…

Rings and Algebras · Mathematics 2020-03-13 Xiaomin Tang

The present paper is devoted to study 2-local derivations on infinite-dimensional Lie algebras over a field of characteristic zero. We prove that all 2-local derivations on the Witt algebra as well as on the positive Witt algebra are…

Rings and Algebras · Mathematics 2019-01-15 Shavkat Ayupov , Baxtiyor Yusupov

In the present paper we study local and 2-local derivations of locally finite split simple Lie algebras. Namely, we show that every local and 2-local derivation on such Lie algebra is a derivation.

Rings and Algebras · Mathematics 2020-05-26 Shavkat Ayupov , Karimbergen Kudaybergenov , Bakhtiyor Yusupov

2-local derivation is a generalized derivation for a Lie algebra, which plays an important role to the study of local properties of the structure of the Lie algebra. In this paper, we prove that every 2-local derivation on the conformal…

Rings and Algebras · Mathematics 2021-03-09 Yufang Zhao , Yongsheng Cheng

2-local derivation is a generalized derivation for a Lie algebra, which plays an important role to the study of local properties of the structure of the Lie algebra. In this paper, we prove that every 2-local derivation on the twisted…

Rings and Algebras · Mathematics 2021-03-09 Yufang Zhao , Yongsheng Cheng

In the present paper we prove that every 2-local inner derivation on the Lie ring of skew-adjoint matrices over a commutative $*$-ring is an inner derivation. We also apply our technique to various Lie algebras of infinite-dimensional…

Rings and Algebras · Mathematics 2022-04-08 Shavkat Ayupov , Farhodjon Arzikulov , Sardorbek Umrzaqov

In the present paper we prove that every 2-local inner derivation on the Lie ring of skew-symmetric matrices over a commutative ring is an inner derivation. We also apply our technique to various Lie algebras of infinite dimensional…

Rings and Algebras · Mathematics 2018-03-19 Shavkat Ayupov , Farhodjon Arzikulov

In the present paper we prove that every 2-local derivation on a von Neumann algebra of type I is a derivation.

Operator Algebras · Mathematics 2014-04-23 Shavkat Ayupov , Farkhad Arzikulov

The present paper is devoted to studying 2-local derivations on the planar Galilean conformal algebra. We prove that every 2-local derivation on the planar Galilean conformal algebra is a derivation.

Rings and Algebras · Mathematics 2022-10-31 Qiu-Fan Chen , Yan He

Given a finite-dimensional complex simple $\omega$-Lie algebras $\mathfrak{}$ over $\mathbb{C}$. We prove that every local ,$2-$local derivation is a derivation and every local (resp. 2-local) automorphisms are automorphisms or an…

Rings and Algebras · Mathematics 2025-05-02 Hassan Oubba

We prove that every 2-local derivation from the algebra $M_n(\mathcal{A})(n>2)$ into its bimodule $M_n(\mathcal{M})$ is a derivation, where $\mathcal{A}$ is a unital Banach algebra and $\mathcal{M}$ is a unital $\mathcal{A}$-bimodule such…

Operator Algebras · Mathematics 2016-11-08 Jun He , Jiankui Li , Guangyu An , Wenbo Huang

In the present paper 2-local derivations on various algebras of infinite dimensional matrix-valued functions on a compact are considered. It is proved that every 2-local derivation on such algebra is a derivation. Also we explain that the…

Operator Algebras · Mathematics 2015-09-21 Shavkat Ayupov , Farhodjon Arzikulov

The present paper is devoted to studying local derivations on the Lie algebra $W(2,2)$ which has some outer derivations. Using some linear algebra methods in \cite{CZZ} and a key construction for $W(2,2)$ we prove that every local…

Rings and Algebras · Mathematics 2024-03-13 Qingyan Wu , Shoulan Gao , Dong Liu

The paper is devoted to 2-local derivations on the algebra $LS(M)$ of all locally measurable operators affiliated with a type I$_\infty$ von Neumann algebra $M.$ We prove that every 2-local derivation on $LS(M)$ is a derivation.

Operator Algebras · Mathematics 2012-09-25 Sh. A. Ayupov , K. K. Kudaybergenov , A. K. Alauadinov

In the present paper we prove that every 2-local derivation on a semi-finite von Neumann algebra is a derivation.

Operator Algebras · Mathematics 2014-09-22 Shavkat Ayupov , Farkhad Arzikulov

In this work, we describe local and 2-local $\frac12$-derivations of infinite-dimensional Lie algebras. We prove that all local and 2-local $\frac12$-derivations of the Witt algebra as well as of the positive Witt algebra and the classical…

Rings and Algebras · Mathematics 2026-04-21 Shavkat Ayupov , Abdireymov Arislanbay , Bakhtiyor Yusupov

The paper is devoted to 2-local derivations and 2-local automorphisms on the algebra $B(H)$ of all bounded linear operators on a Hilbert space $H.$ We prove that every 2-local derivation on $B(H)$ is a derivation. A similar result is…

Operator Algebras · Mathematics 2011-11-15 Sh. A. Ayupov , K. K. Kudaybergenov

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

The paper is devoted to 2-local derivations on matrix algebras over commutative regular algebras. We give necessary and sufficient conditions on a commutative regular algebra to admit 2-local derivations which are not derivations. We prove…

Operator Algebras · Mathematics 2013-04-12 Sh. A. Ayupov , K. K. Kudaybergenov , A. K. Alauadinov

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
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