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This article explains basic constructions and results on group algebras and their cohomology, starting from the point of view of commutative algebra. It provides the background necessary for a novice in this subject to begin reading Dave…

Commutative Algebra · Mathematics 2007-05-23 Srikanth Iyengar

In this paper, we find a criterium for universal equivalence of partially commutative Lie algebras whose defining graphs are trees. Besides, we obtain bases for partially commutative metabelian Lie algebras.

Rings and Algebras · Mathematics 2012-07-10 Evgeny Poroshenko , Evgeny Timoshenko

Lie antialgebras is a class of supercommutative algebras recently appeared in symplectic geometry. We define the notion of enveloping algebra of a Lie antialgebra and study its properties. We show that every Lie antialgebra is canonically…

Commutative Algebra · Mathematics 2010-07-26 Séverine Leidwanger , Sophie Morier-Genoud

It is known that there are Lie algebras with non-semigroup gradings, i.e. such that the binary operation on the grading set is not associative. We provide a similar example in the class of associative algebras.

Rings and Algebras · Mathematics 2018-05-02 Pasha Zusmanovich

In this paper, linear bases for the partially commutative Lie algebras are found. The method of the Gr\"{o}bner--Shirshov bases is used. It easily follows from the structure that the equality problem is algorithmically solvable for the…

Rings and Algebras · Mathematics 2010-12-07 Evgeny Poroshenko

This is a survey paper on Alegbraic Geometry over Lie Algebras

Algebraic Geometry · Mathematics 2007-05-23 Ilya Kazachkov

We study a new class of infinite dimensional Lie algebras, which has important applications to the theory of integrable equations. The construction of these algebras is very similar to the one for automorphic functions and this motivates…

Mathematical Physics · Physics 2009-11-10 S. Lombardo , A. V. Mikhailov

Structures of commuting semigroups of isometries under certain additional assumptions like double commutativity or dual double commutativity are found.

Functional Analysis · Mathematics 2023-06-27 Tirthankar Bhattacharyya , Shubham Rastogi , Vijaya Kumar U

In this paper we describe the the category of Lie algebras of group algebras and the category of Plesken Lie algebras and explore the categorical relations between them. Further we provide the examples of the Lie algebra of the group…

Category Theory · Mathematics 2021-07-27 P G Romeo , Arjun S N

This is a brief overview of a few selected chapters on automorphism groups of affine varieties. It includes some open questions.

Algebraic Geometry · Mathematics 2024-09-12 Hanspeter Kraft , Mikhail Zaidenberg

We give an explicit description of commutative post-Lie algebra structures on some classes of nilpotent Lie algebras. For non-metabelian filiform nilpotent Lie algebras and Lie algebras of strictly upper-triangular matrices we show that all…

Rings and Algebras · Mathematics 2019-03-04 Dietrich Burde , Christof Ender

This abstract presents (without proofs) some new results on commutativity degree of finite groups.

Group Theory · Mathematics 2010-09-29 Rajat Kanti Nath , Ashish Kumar Das

We introduce and study a class of Lie algebroids associated to faithful modules which is motivated by the notion of cotangent Lie algebroids of Poisson manifolds. We also give a classification of transitive Lie algebroids and describe…

Differential Geometry · Mathematics 2012-02-13 Dennise García-Beltrán , José A. Vallejo , Yurii Vorobjev

We establish some results about large restricted Lie algebras similar to those known in the Group Theory. As an application we use this group-theoretic approach to produce some examples of restricted as well as ordinary Lie algebras which…

Rings and Algebras · Mathematics 2007-05-23 Yuri Bahturin , Alexander Olshanskii

This is an overview article on Lie algebroids, and their role as the infinitesimal counterparts of Lie groupoids.

Differential Geometry · Mathematics 2025-05-06 Eckhard Meinrenken

On Lie algebras, we study commutative 2-cocycles, i.e., symmetric bilinear forms satisfying the usual cocycle equation. We note their relationship with antiderivations and compute them for some classes of Lie algebras, including…

Rings and Algebras · Mathematics 2018-05-02 Askar Dzhumadil'daev , Pasha Zusmanovich

We survey recent work on the geometry and dynamics of transverse subgroups of semi-simple Lie groups.

Dynamical Systems · Mathematics 2025-02-12 Richard Canary , Tengren Zhang , Andrew Zimmer

In this paper, we consider partially commutative metabelian Lie algebras whose defining graphs are cycles. We show that such algebras are universally equivalent iff the corresponding cycles have the same length. Moreover, we give an example…

Rings and Algebras · Mathematics 2013-05-27 Evgeny Poroshenko

We consider the group algebra of the symmetric group as a superalgebra, and describe its Lie subsuperalgebra generated by the transpositions. The updated version corrects some of the arguments made in Sections 4.5 - 4.7. The statements of…

Representation Theory · Mathematics 2025-08-15 Christopher M. Drupieski , Jonathan R. Kujawa

We give a new characterization of partial groups as a subcategory of symmetric (simplicial) sets. This subcategory has an explicit reflection, which permits one to compute colimits in the category of partial groups. We also introduce the…

Group Theory · Mathematics 2025-03-10 Philip Hackney , Justin Lynd