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We define a generalized form of $L_\infty$-algebras called $E_2L_\infty$-algebras. As we show, these provide the natural algebraic framework for generalized geometry and the symmetries of double field theory as well as the gauge algebras…

High Energy Physics - Theory · Physics 2025-09-23 Leron Borsten , Hyungrok Kim , Christian Saemann

For every finite-to-one map $\lambda:\Gamma\to\Gamma$ and for every abelian group $K$, the generalized shift $\sigma_\lambda$ of the direct sum $\bigoplus_\Gamma K$ is the endomorphism defined by…

We prove that every Lie derivation on a solid $\star-$subalgebras of locally measurable operators it is equal to a sum of the associative derivation and the center-valued trace.

Operator Algebras · Mathematics 2016-08-16 Vladimir Chilin , Ilkhom Juraev

In this paper, we investigate Jordan left $\alpha$-centralizer on algebras. We show that every Jordan left $\alpha$-centralizer on an algebra with a right identity is a left $\alpha$-centralizer. We also investigate this result for Banach…

Functional Analysis · Mathematics 2024-10-04 M. Eisaei , M. J. Mehdipour , Gh. R. Moghimi

Many authors have considered and investigated generalized fractional differential operators. The main object of this present paper is to define a new generalized fractional differential operator $\mathfrak{T}^{\beta,\tau,\gamma},$ which…

Functional Analysis · Mathematics 2016-03-22 Zainab E. Abdulnaby , Rabha W. Ibrahim , Adem Kilicman

Meta-centralizers of non-locally compact group algebras are studied. Theorems about their representations with the help of families of generalized measures are proved. Isomorphisms of group algebras are investigated in relation with…

Rings and Algebras · Mathematics 2018-12-18 S. V. Ludkovsky

Let $M$ be a prime $\Gamma$-ring satisfying a certain assumption and $D$ a nonzero derivation on $M$. Let $f:M\rightarrow M$ be a generalized derivation such that $f$ is centralizing and commuting on a left ideal $J$ of $M$. Then we prove…

Commutative Algebra · Mathematics 2016-01-13 Md Fazlul Hoque , A C Paul

It is proved that the derivation algebra of a centerless perfect Lie algebra of arbitrary dimension over any field of arbitrary characteristic is complete and that the holomorph of a centerless perfect Lie algebra is complete if and only if…

Quantum Algebra · Mathematics 2007-05-23 Yucai Su , Linsheng Zhu

We establish logical equivalence between statements involving * the Cuntz C*-algebra $\mathcal O_\infty$ with its canonical diagonal; * graph C*-algebras with their canonical diagonals; * Leavitt path algebras over general fields with their…

Operator Algebras · Mathematics 2025-11-12 Søren Eilers , Efren Ruiz

We investigate the log-concavity on the half-line of the Wright function $\phi(-\alpha,\beta,-x),$ in the probabilistic setting $\alpha\in (0,1)$ and $\beta \ge 0.$ Applications are given to the construction of generalized entropies…

Classical Analysis and ODEs · Mathematics 2023-08-29 Rui A. C. Ferreira , Thomas Simon

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

Extended geometry provides a unified framework for double geometry, exceptional geometry, etc., i.e., for the geometrisations of the string theory and M-theory dualities. In this talk, we will explain the structure of gauge transformations…

High Energy Physics - Theory · Physics 2019-05-22 Martin Cederwall , Jakob Palmkvist

We construct differential geometry (connection, curvature, etc.) based on generalized derivations of an algebra ${\cal A}$. Such a derivation, introduced by Bresar in 1991, is given by a linear mapping $u: {\cal A} \rightarrow {\cal A}$…

General Relativity and Quantum Cosmology · Physics 2014-03-13 M. Heller , T. Miller , L. Pysiak , W. Sasin

Let R be a prime ring of H a generalized derivation and L a noncentral lie ideal of R. We show that if l^sH(l)l^t in Z(R) for all lin2 L, where s, t> 0 are fixed integers, then H(x) = bx for some b in C, the extended centroid of R, or R…

Rings and Algebras · Mathematics 2016-11-04 Shervin Sahebi , Venus Rahmani

In this paper, we determine the derivation algebra and automorphism group of the twisted N=2 superconformal algebra. Then we generalize the relative results to the generalized twisted N=2 superconformal algebra in the final section.

Rings and Algebras · Mathematics 2015-03-13 Huanxia Fa

We introduce an generalization of the theta divisor to the theory of holomorphic triples on a smooth projective curve $X$. We show that a given triple $T=(E_1 \to E_0)$ is $\alpha$-semistable iff there exists an orthogonal tripe $S=(F_1 \to…

Algebraic Geometry · Mathematics 2017-02-09 Georg Hein , Thang Quyet Truong

For a conformal vector field on a closed, real-analytic, Lorentzian manifold we prove that the flow is locally isometric -- that it preserves a metric in the conformal class on a neighborhood of any point -- or the metric is everywhere…

Differential Geometry · Mathematics 2025-11-06 Sorin Dumitrescu , Charles Frances , Karin Melnick , Vincent Pecastaing , Abdelghani Zeghib

We prove new variants of the Lambert series factorization theorems studied by Merca and Schmidt (2017) which correspond to a more general class of Lambert series expansions of the form $L_a(\alpha, \beta, q) := \sum_{n \geq 1} a_n q^{\alpha…

Number Theory · Mathematics 2017-12-05 Mircea Merca , Maxie D. Schmidt

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

A discretization of a continuum theory with constraints or conserved quantities is called mimetic if it mirrors the conserved laws or constraints of the continuum theory at the discrete level. Such discretizations have been found useful in…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Cayetano Di Bartolo , Rodolfo Gambini , Jorge Pullin
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