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The present paper is devoted to study 2-local derivations on the Block-type Lie algebra which is an infinite-dimensional Lie algebra with some outer derivations. We prove that every 2-local derivation on the Block-type Lie algebra is a…

Rings and Algebras · Mathematics 2026-02-11 Qiufan Chen , Xiaohan Guo

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 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

Let $\mathcal{H}$ be a separable Hilbert space and $\mathcal{L}_{0}\subset B(\mathcal{H})$ a complete reflexive lattice. Let $\mathscr{K}$ be the direct sum of $n_0$ copies of $\mathcal{H}$ ($n_{0}\in\mathbb{N}$ and $n_0\geq 2$) or the…

Operator Algebras · Mathematics 2025-01-08 Hongjie Chen , Liguang Wang , Zhujun Yang

This paper aims to study the local derivations, 2-local automorphisms and local automorphisms on the super-Virasoro algebras. The primary focus is to establish that every local derivation of the super-Virasoro algebras is indeed a…

Rings and Algebras · Mathematics 2024-01-11 Qingyan Wu , Shoulan Gao , Dong Liu , Chang Ye

R.V. Kadison defined the notion of local derivation on an algebra and proved that every continuous local derivation on a von Neumann algebra is a derivation (Kadison 1990). We provide the analogous result in the setting of Jordan triples.

Operator Algebras · Mathematics 2016-10-20 Michael Mackey

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 additive (not necessarily homogenous) local inner derivation on the algebra of matrices over an arbitrary field is an inner derivation, and every local inner derivation on the ring of matrices over a…

Rings and Algebras · Mathematics 2019-01-28 Sh. Ayupov , F. Arzikulov

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

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 twisted…

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

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

We prove that every {\rm(}not necessarily linear nor continuous{\rm)} 2-local triple derivation on a von Neumann algebra $M$ is a triple derivation, equivalently, the set Der$_{t} (M)$, of all triple derivations on $M,$ is algebraically…

Operator Algebras · Mathematics 2015-12-11 Karimbergen Kudaybergenov , Timur Oikhberg , Antonio M. Peralta , Bernard Russo

Let \(\mathcal{A}\) be a unital Banach algebra such that any Jordan derivation from \(\mathcal{A}\) into any \(\mathcal{A}\)-bimodule \(\mathcal{M}\) is a derivation. We prove that any 2-local derivation from the algebra $M_n(\mathcal{A})$…

Operator Algebras · Mathematics 2017-02-27 Shavkat Ayupov , Karimbergen Kudaybergenov , Amir 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

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

In this paper, we characterize the local superderivations on Cartan type Lie superalgebras over the complex field $\mathbb{C}$. Furthermore, we prove that every local superderivations on Cartan type simple Lie superalgebras is a…

Rings and Algebras · Mathematics 2019-03-11 Jixia Yuan , Liangyun Chen , Yan Cao

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

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

We prove that, for every complex Hilbert space $H$, every weak-2-local derivation on $B(H)$ or on $K(H)$ is a linear derivation. We also establish that every weak-2-local derivation on an atomic von Neumann algebra or on a compact…

Operator Algebras · Mathematics 2017-04-05 Juan Carlos Cabello , Antonio M. Peralta