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Related papers: 2-Local derivations on AW$^*$-algebras of type I

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The paper is devoted to the description of $2$-local derivations on von Neumann algebras. Earlier it was proved that every $2$-local derivation on a semi-finite von Neumann algebra is a derivation. In this paper, using the analogue of…

Operator Algebras · Mathematics 2014-10-07 Shavkat Ayupov , Karimbergen Kudaybergenov

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 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

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

This paper initiates the study of 2-local derivations on Lie algebras over fields of prime characteristic. Let $\mathfrak{g}$ be a simple Jacobson-Witt algebra $W_n$ over a field of prime characteristic $p$ with cardinality no less than…

Rings and Algebras · Mathematics 2020-08-25 Yufeng Yao , Kaiming Zhao

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

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

The paper is devoted to 2-local derivations on matrix algebras over unital semi-prime Banach algebras. For a unital semi-prime Banach algebra $\mathcal{A}$ with the inner derivation property we prove that any 2-local derivation on the…

Operator Algebras · Mathematics 2014-11-11 Shavkat Ayupov , Karimbergen Kudaybergenov

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

In this paper, we prove that every 2-local derivation on Witt algebras $W_n, W_n^+$ or $W_n^{++} $ is a derivation for all $n=1,2,\cdots,\infty$. As a consequence we obtain that every 2-local derivation on any centerless generalized…

Rings and Algebras · Mathematics 2020-03-31 Yueqiang Zhao , Yang Chen , Kaiming Zhao

In the present paper we prove that every local and $2$-local derivation on conservative algebras of $2$-dimensional algebras are derivations. Also, we prove that every local and $2$-local automorphism on conservative algebras of…

Rings and Algebras · Mathematics 2021-04-13 Farhodjon Arzikulov , Nodirbek Umrzaqov

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

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

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

The present paper presents a survey of some recent results devoted to derivations, local derivations and 2-local derivations on various algebras of measurable operators affiliated with von Neumann algebras. We give a complete description of…

Operator Algebras · Mathematics 2016-02-22 Shavkat Ayupov , Karimbergen Kudaybergenov

In the present paper, we prove that a local derivation on the octonion (Cayley) algebra $\mathbb{O}$ over an arbitrary field, satisfying some conditions is a derivation, and every 2-local derivation on $\mathbb{O}$ is a Jordan derivation.

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

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

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

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

Let $L$ be a locally compact Hausdorff space. Suppose $A$ is a C$^*$-algebra with the property that every weak-2-local derivation on $A$ is a {\rm(}linear{\rm)} derivation. We prove that every weak-2-local derivation on $C_0(L,A)$ is a…

Operator Algebras · Mathematics 2016-08-16 E. Jordá , A. M. Peralta
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