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Related papers: 2-local derivations on semi-finite von Neumann alg…

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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

We show that any local derivation on the solvable Leibniz algebras with model or abelian nilradicals, whose the dimension of complementary space is maximal is a derivation. We show that solvable Leibniz algebras with abelian nilradicals,…

Rings and Algebras · Mathematics 2019-11-12 Sh. A. Ayupov , A. Kh. Khudoyberdiyev , B. B. Yusupov

We survey the results on local and 2-local derivations on C*-algebras, von Neumann algebras and JB*-triples.

Operator Algebras · Mathematics 2014-11-12 Shavkat Ayupov , Karimbergen Kudaybergenov , Antonio M. Peralta

Using the first cohomology from the mirror Heisenberg-Virasoro algebra to the twisted Heisenberg algebra (as the mirror Heisenberg-Virasoro algebra-module), in this paper we determined the derivations on the mirror Heisenberg-Virasoro…

Rings and Algebras · Mathematics 2023-06-27 Xuelian Guo , Liming Tang

In the present paper, we prove that every local and $2$-local derivation of the complex finite-dimensional simple Filippov algebra is a derivation. As a corollary we have the description of all local and $2$-local derivations of complex…

Rings and Algebras · Mathematics 2021-08-03 Bruno Leonardo Macedo Ferreira , Ivan Kaygorodov , Karimbergen Kudaybergenov

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 present paper is devoted to study local super-derivations of the super Schr\"{o}dinger algebras. We prove that every local super-derivation on the super Schr\"{o}dinger algebra is a super-derivation.

Rings and Algebras · Mathematics 2024-05-30 A. K. Alauadinov , B. B. Yusupov

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

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

In the present paper it is proved that every inner 2-local derivation on the matrix ring $M_n(\Re)$ of $n\times n$ matrices over a commutative associative ring $\Re$ is an inner derivation. Also, it is proved that, every derivation on an…

Rings and Algebras · Mathematics 2015-09-29 Shavkat Ayupov , Farhodjon Arzikulov

Let $\Omega$ be a compact Hausdorff space and let $A$ be a C$^*$-algebra. We prove that if every weak-2-local derivation on $A$ is a linear derivation and every derivation on $C(\Omega,A)$ is inner, then every weak-2-local derivation…

Operator Algebras · Mathematics 2016-05-19 Enrique Jordá , Antonio M. Peralta

It is proved that every 2-local derivation on an AW$^*$-algebra of type I is a derivation. Also an analog of Gleason theorem for signed measures on projections of homogenous AW$^*$-algebras except the cases of an AW$^*$-algebra of type…

Operator Algebras · Mathematics 2015-07-10 Shavkat Ayupov , Farkhad Arzikulov

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

We prove that any derivation of the *-algebra $LS(\mathcal{M})$ of all locally measurable operators affiliated with a properly infinite von Neumann algebra $\mathcal{M}$ is continuous with respect to the local measure topology…

Operator Algebras · Mathematics 2012-06-04 A. F. Ber , V. I. Chilin , F. A. Sukochev

In the present paper we prove that every 2-local inner derivation on the matrix ring over a commutative ring is an inner derivation and every derivation on an associative ring has an extension to a derivation on the matrix ring over this…

Rings and Algebras · Mathematics 2017-05-30 Shavkat Ayupov , Farhodjon Arzikulov

This paper generalizes the concepts of 2-local derivations and biderivations (without the skewsymmetric condition) of a finite-dimensional Lie algebra from the adjoint module to any finite-dimensional module, and determines all 2-local…

Representation Theory · Mathematics 2022-06-17 Shujuan Wang , Zhaoxin Li , Xiaomin Tang

For a commutative C*-algebra $\mathcal A$ with unit $e$ and a Hilbert~$\mathcal A$-module $\mathcal M$, denote by End$_{\mathcal A}(\mathcal M)$ the algebra of all bounded $\mathcal A$-linear mappings on $\mathcal M$, and by…

Operator Algebras · Mathematics 2017-06-02 Jun He , Jiankui Li , Danjun Zhao

It is established that every derivation continuous with respect to the local measure topology acting on the *-algebra $LS(\mathcal{M})$ of all locally measurable operators affiliated with a von Neumann algebra $\mathcal{M}$ is necessary…

Operator Algebras · Mathematics 2017-05-17 A. F. Ber , V. I. Chilin , F. A. Sukochev

We prove that if M is a von Neumann algebra whose abelian summand is discrete, then every local derivation on the algebra of all measurable operators affilated with M is a derivation. This answers a question of Richard Kadison.

Operator Algebras · Mathematics 2013-11-04 Don Hadwin , Jiankui Li , Qihui Li , Xiujuan Ma

Let $\mathcal{A}$ be a unital associative algebra and $\mathcal{M}$ be an $\mathcal{A}$-bimodule. A linear mapping $\varphi$ from $\mathcal{A}$ into an $\mathcal{A}$-bimodule $\mathcal{M}$ is called a Lie derivation if…

Operator Algebras · Mathematics 2018-06-11 Jun He , Guangyu An