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The purpose of this paper is to introduce and investigate the notion of derivation for quandle algebras. More precisely, we describe the symmetries on structure constants providing a characterization for a linear map to be a derivation. We…

Rings and Algebras · Mathematics 2021-06-24 M. Elhamdadi , A. Makhlouf , S. Silvestrov , E. Zappala

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

Let $\mathcal{M}$ be a Banach bimodule over an associative Banach algebra $\mathcal{A}$, and let $F: \mathcal{A}\to \mathcal{M}$ be a linear mapping. Three main uses of the term \emph{generalized derivation} are identified in the available…

Operator Algebras · Mathematics 2024-10-14 Amin Hosseini , Antonio M. Peralta , Shanshan Su

(Draft 3) A generalized differential operator on the real line is defined by means of a limiting process. These generalized derivatives include, as a special case, the classical derivative and current studies of fractional differential…

Mathematical Physics · Physics 2018-07-17 Angelo B. Mingarelli

A solvable Lie algebra L has the property that its nilradical N contains its own centraliser. This is interesting because gives a representation of L as a subalgebra of the derivation algebra of its nilradical with kernel equal to the…

Rings and Algebras · Mathematics 2015-12-04 David A Towers

The purpose of this paper is to give two applications of Fourier transforms and generic vanishing theorems: - we give a cohomological characterization of principal polarizations - we prove that if $X$ an abelian variety and $\Theta $ a…

Algebraic Geometry · Mathematics 2007-05-23 Christopher D. Hacon

In this paper, we present some basic properties concerning the derivation algebra ${\rm Der}(T)$, the quasiderivation algebra ${\rm QDer}(T)$ and the generalized derivation algebra ${\rm GDer}(T)$ of a Lie triple system $T$, with the…

Rings and Algebras · Mathematics 2016-04-19 Jia Zhou , Liangyun Chen , Yao Ma

In [H. Duan and S. Liu, The isomorphism type of the centralizer of an element in a Lie group, Journal of algebra, 376(2013), 25-45], we have determined the isomorphism type of the centralizer of an element in a simpe Lie group. As a sequel…

Group Theory · Mathematics 2013-12-17 Haibao Duan , Shali Liu

In this paper, we present a novel generalization of the classical Ceva theorem to arbitrarily dimensional simplexes. Our approach allows cevians to have any dimension (smaller than the dimension of the base simplex). Consequently, our…

Metric Geometry · Mathematics 2025-11-19 Wojciech Wdowski

It is proved that for a vector space W, any set of parafermion-like vertex operators on W in a certain canonical way generates a generalized vertex algebra in the sense of [DL2] with W as a natural module. This result generalizes a result…

Quantum Algebra · Mathematics 2007-05-23 Yongcun Gao , Haisheng Li

We prove some statements of left- and right-continuous variants of generalized inverses of non-decreasing real functions.

Classical Analysis and ODEs · Mathematics 2023-06-13 Philipp Wacker

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

The central limit theorem for convex bodies says that with high probability the marginal of an isotropic log-concave distribution along a random direction is close to a Gaussian, with the quantitative difference determined asymptotically by…

Functional Analysis · Mathematics 2019-10-01 Haotian Jiang , Yin Tat Lee , Santosh S. Vempala

Introducing the notions of (inner) $\sigma$-derivation, (inner) $\sigma$-endomorphism and one-parameter group of $\sigma$-endomorphisms ($\sigma$-dynamics) on a Banach algebra, we correspond to each $\sigma$-dynamics a $\sigma$-derivation…

Functional Analysis · Mathematics 2021-07-23 M. Mirzavaziri , M. S. Moslehian

Using a key observation due to Thiemann, a generalized Wick transform is introduced to map the constraint functionals of Riemannian general relativity to those of the Lorentzian theory, including matter sources. This opens up a new avenue…

General Relativity and Quantum Cosmology · Physics 2010-01-06 Abhay Ashtekar

Employing a class of generalized connections, we describe certain differential complices $\left(\tilde \Omega^*_{\mathbb{T}}(M), \tilde{\mathbb{d}}^{\mathbb{T}}\right)$ constructed from $\wedge^* \mathbb{T} M$ and study some of their basic…

Differential Geometry · Mathematics 2024-10-09 Shengda Hu

We investigate the deformation of involution and multiplication in a unital $C^*$-algebra when its norm is fixed. Our main result is to present all multiplications and involutions on a given $C^*$-algebra $\mathcal{A}$ under which…

Operator Algebras · Mathematics 2014-11-04 H. Najafi , M. S. Moslehian

Recent literature shows that hypocoercivity properties of linear evolution equations (in particular their exponential decay and the sharp short time decay of their propagator norm) carry over to their discretization via the midpoint rule.…

Dynamical Systems · Mathematics 2026-05-29 Anton Arnold , Stefan Egger

In this article we develop an approach to deformations of the Witt and Virasoro algebras based on $\sigma$-derivations. We show that $\sigma$-twisted Jacobi type identity holds for generators of such deformations. For the $\sigma$-twisted…

Quantum Algebra · Mathematics 2020-06-09 Jonas Hartwig , Daniel Larsson , Sergei Silvestrov

We prove that the action of the Grothendieck-Teichm\"uller group on the genus completed properad of (homotopy) Lie bialgebras commutes with the reversing directions involution of the latter. We also prove that every universal quantization…

Quantum Algebra · Mathematics 2022-02-23 Sergei Merkulov , Marko Živković