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Let $\mathcal{H}^{a,b}$ be the generalized quaternion algebra over a unitary commutative ring. This paper aims to investigate super-biderivations and local superderivations on the generalized quaternion algebra, which is viewed as a class…

Rings and Algebras · Mathematics 2025-11-18 Hassan Oubba

We study the condition in which G2-structures are introduced by a non closed four-form, although they are satisfying locally conformal conditions.All solutions are found in the case when the Lee form of G2-structures is non-zero and…

Differential Geometry · Mathematics 2016-12-15 Arezoo Zohrabi

We classify and investigate locally conformally K\"ahler structures on four-dimensional solvable Lie algebras up to linear equivalence. As an application we can produce many examples in higher dimension, here including lcK structures on…

Differential Geometry · Mathematics 2019-12-23 Daniele Angella , Marcos Origlia

We describe, up to isomorphism, all locally simple subalgebras of any diagonal locally simple Lie algebra.

Representation Theory · Mathematics 2010-02-22 S. Markouski

Following Sullivan's spacial realization of a differential algebra, we construct a universal integrating Lie 2-groupoid for every Lie algebroid. Then We show that unlike Lie algebras which one-to-one correspond to simply connected Lie…

Differential Geometry · Mathematics 2010-05-21 Chenchang Zhu

In this paper, at first the construction of Lie higher derivations and higher derivations on a generalized matrix algebra were characterized; then the conditions under which a Lie higher derivation on generalized matrix algebras is proper…

Rings and Algebras · Mathematics 2017-11-15 Fahimeh Moafian

We prove that every weak-local derivation on a C$^*$-algebra is continuous, and the same conclusion remains valid for weak$^*$-local derivations on von Neumann algebras. We further show that weak-local derivations on C$^*$-algebras and…

Operator Algebras · Mathematics 2014-12-01 Ahlem Ben Ali Essaleh , Antonio M. Peralta , María Isabel Ramírez

We study left-invariant locally conformally K\"ahler structures on Lie groups, or equivalently, on Lie algebras. We give some properties of these structures in general, and then we consider the special cases when its complex structure is…

Differential Geometry · Mathematics 2020-04-06 Adrián Andrada , Marcos Origlia

The study of global deformations of Lie algebras is related to the problem of classification of simple Lie algebras over fields of small characteristic. The classification of finite-dimensional simple Lie algebras is complete over…

Rings and Algebras · Mathematics 2020-12-29 Natalya Chebochko

In this paper, the author gives two methods to construct complete Lie algebras. Both methods show that the derivation algebras of some Lie algebras are complete.

Rings and Algebras · Mathematics 2007-05-23 BinYong Hsie

We observe algebraic derivations on an affine domain B defined over an algebraically closed field of characteristic 0, which are called locally finite derivations in commutative and non-commutative contexts in other references. We observe…

Algebraic Geometry · Mathematics 2013-03-07 Kayo Masuda , Masayoshi Miyanishi

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

We prove that every 2-local automorphism of the unitary group or the general linear group on a complex infinite-dimensional separable Hilbert space is an automorphism. Thus these types of transformations are completely determined by their…

Operator Algebras · Mathematics 2007-05-23 Lajos Molnar , Peter Semrl

This article explores the structure theory of compatible generalized derivations of finite-dimensional $\omega$-Lie algebras over a field $\mathbb{K}$. We prove that any compatible quasiderivation of an $\omega$-Lie algebra can be embedded…

Rings and Algebras · Mathematics 2025-04-16 Yin Chen , Shan Ren , Jiawen Shan , Runxuan Zhang

In this paper we provide some conditions under which a Lie derivation on a trivial extension algebra is proper, that is, it can be decomposed into the sum of a derivation and a center valued map. We extend some known results on the…

Rings and Algebras · Mathematics 2015-06-02 A. H. Mokhtari , F. Moafian , H. R. Ebrahimi Vishki

The principal objective of this paper is to determine the structure of $n$-Lie derivations ($n\geq 3$) on generalized matrix algebras.It is shown that under certain mild assumptions, every $n$-Lie derivation can be decomposed into the sum…

Rings and Algebras · Mathematics 2026-03-03 Xinfeng Liang , Minghao Wang , Feng Wei

This article investigates the recently introduced three-parameter generalized quaternion algebra (3PGQ), denoted here as $\mathbb{K}_{\lambda_1,\lambda_2,\lambda_3}$ . Our analysis is structured in three parts. First, we demonstrate that…

Rings and Algebras · Mathematics 2025-11-25 Hassan Oubba

In this paper, we prove that every invertible $2$-local or local automorphism of a simple generalized Witt algebra over any field of characteristic $0$ is an automorphism. In particular, every $2$-local or local automorphism of Witt…

Rings and Algebras · Mathematics 2020-04-01 Yang Chen , Kaiming Zhao , Yueqiang Zhao

All deformations of two dimensional centrally extended Galilei group are classified. The corresponding quantum Lie algebras are found.

Quantum Algebra · Mathematics 2011-09-22 Anna Opanowicz

Using the local bijectivity of Keller maps, we give a proof of two-dimensional Jacobian conjecture.

Algebraic Geometry · Mathematics 2024-05-14 Yucai Su
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