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We develop the structure theory of symplectic Lie groups based on the study of their isotropic normal subgroups. The article consists of three main parts. In the first part we show that every symplectic Lie group admits a sequence of…

Differential Geometry · Mathematics 2013-10-15 Oliver Baues , Vicente Cortès

We introduce the notion of $\lambda$-double Lie algebra, which coincides with usual double Lie algebra when $\lambda = 0$. We state that every $\lambda$-double Lie algebra for $\lambda\neq0$ provides the structure of modified double Poisson…

Rings and Algebras · Mathematics 2022-10-04 Maxim Goncharov , Vsevolod Gubarev

We describe finite-dimensional smooth Lie groups over local fields of positive characteristic which do not admit an analytic Lie group structure compatible with the given topological group structure, and C^n-Lie groups without a compatible…

Group Theory · Mathematics 2007-05-23 Helge Glockner

This is the first of a series of papers studying real algebraic threefolds using the minimal model program. The main results are outlined in Part II. The present part I. contains the necessary preliminary work concerning terminal…

alg-geom · Mathematics 2007-05-23 János Kollár

We classify up to isomorphism all finite-dimensional Lie algebras that can be realised as Lie subalgebras of the complex Weyl algebra $A_1$. The list we obtain turns out to be discrete and for example, the only non-solvable Lie algebras…

Representation Theory · Mathematics 2007-05-23 M. Rausch de Traubenberg , M. J. Slupinski , A. Tanasa

We prove completeness for the main examples of infinite-dimensional Lie groups and some related topological groups.

Functional Analysis · Mathematics 2017-10-20 Helge Glockner

It is proven that a local Lie algebra in the sense of A. A. Kirillov determines the base manifold up to a diffeomorphism provided the anchor map is nowhere-vanishing. In particular, the Lie algebras of nowhere-vanishing Poisson or Jacobi…

Differential Geometry · Mathematics 2007-05-23 Janusz Grabowski

In a previous work, by extending the classical Quillen construction to the non-simply connected case, we have built a pair of adjoint functors, 'model' and 'realization', between the categories of simplicial sets and complete differential…

Algebraic Topology · Mathematics 2018-10-22 Urtzi Buijs , Yves Félix , Aniceto Murillo , Daniel Tanré

Lie theory is, beyond any doubt, an absolutely essential part of differential geometry. It is therefore necessary to seek its generalization to $\mathbb{Z}$-graded geometry. In particular, it is vital to construct non-trivial and explicit…

Differential Geometry · Mathematics 2025-11-10 Jan Vysoky

In this paper, we first introduce the concept of symmetric biderivation radicals and characteristic subalgebras of Lie algebras, and study their properties. Based on these results, we precisely determine biderivations of some Lie algebras…

Rings and Algebras · Mathematics 2025-04-30 Qiufan Chen , Yufeng Yao , Kaiming Zhao

The purpose of this paper is to show how central extensions of (possibly infinite-dimensional) Lie algebras integrate to central extensions of \'etale Lie 2-groups. In finite dimensions, central extensions of Lie algebras integrate to…

Differential Geometry · Mathematics 2015-01-29 Chenchang Zhu , Christoph Wockel

We establish a fixed point property for a certain class of locally compact groups, including almost connected Lie groups and compact groups of finite abelian width, which act by simplicial isometries on finite rank buildings with measurable…

Group Theory · Mathematics 2013-10-04 Timothée Marquis

The Lie algebra version of the Krull-Schmidt Theorem is formulated and proved. This leads to a method for constructing the automorphisms of a direct sum of Lie algebras from the automorphisms of its indecomposable components. For…

Rings and Algebras · Mathematics 2015-06-15 David J Fisher , Robert J Gray , Peter E Hydon

In this paper we develop the $A_\infty$-analog of the Maurer-Cartan simplicial set associated to an $L_\infty$-algebra and show how we can use this to study the deformation theory of $\infty$-morphisms of algebras over non-symmetric…

Quantum Algebra · Mathematics 2018-09-21 Niek de Kleijn , Felix Wierstra

Generalising a previous work of Jiang and Sheng, a cohomology theory for differential Lie algebras of arbitrary weight is introduced. The underlying $L_\infty[1]$-structure on the cochain complex is also determined via a generalised version…

Rings and Algebras · Mathematics 2024-03-28 Weiguo Lyu , Zihao Qi , Jian Yang , Guodong Zhou

Lie-Yamaguti algebras (or generalized Lie triple systems) are binary-ternary algebras intimately related to reductive homogeneous spaces. The Lie-Yamaguti algebras which are irreducible as modules over their Lie inner derivation algebra are…

Rings and Algebras · Mathematics 2008-10-03 Pilar Benito , Alberto Elduque , Fabián Martín-Herce

Let $\mathbb{K}$ be a field, $R$ be an associative and commutative $\mathbb{K}$-algebra and $L$ be a Lie algebra over $\mathbb{K}$. We give some descriptions of injections from $L$ to Lie algebra of $\mathbb{K}$-derivations of $R$ in the…

Rings and Algebras · Mathematics 2013-05-13 Ievgen Makedonskyi

Using the BV-formalism of mathematical physics an explicit construction for the minimal model of a quantum L-infinity-algebra is given as a formal super integral. The approach taken herein to these formal integrals is axiomatic; they can be…

Quantum Algebra · Mathematics 2018-07-03 Christopher Braun , James Maunder

We classify all real three dimensional Lie bialgebras. In each case, their automorphism group as Lie bialgebras is also given.

Quantum Algebra · Mathematics 2010-07-23 Marco Farinati , A. Patricia Jancsa

We show that the category of Lie triple systems is equivalent to the category of Lie algebras graded by Z/(2Z) such that the odd component generates the algbera and the second graded cohomology group coefficients in any trivial module is…

Rings and Algebras · Mathematics 2009-06-08 Oleg Smirnov
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