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We describe the isomorphism classes of infinite-dimensional graded Lie algebras of maximal class, generated by elements of weight one, over fields of odd characteristic.

Rings and Algebras · Mathematics 2007-05-23 A. Caranti , M. F. Newman

We classify closed abelian subgroups of the automorphism group of any compact classical simple Lie algebra whose centralizer has the same dimension as the dimension of the subgroup, and describe Weyl groups of maximal abelian subgroups.

Group Theory · Mathematics 2014-03-12 Jun Yu

In this paper we investigate weak polynomial identities for the Weyl algebra $\mathsf{A}_1$ over an infinite field of arbitrary characteristic. Namely, we describe weak polynomial identities of the minimal degree, which is three, and of…

Rings and Algebras · Mathematics 2024-04-03 Artem Lopatin , Carlos Arturo Rodriguez Palma , Liming Tang

The Lie algebras over the algebra of dual numbers are introduced and investigated.

Rings and Algebras · Mathematics 2017-01-24 Vladimir Gorbatsevich

We discuss the homological algebra of representation theory of finite dimensional algebras and finite groups. We present various methods for the construction and the study of equivalences of derived categories: local group theory, geometry…

Representation Theory · Mathematics 2007-05-23 Raphael Rouquier

We study the class of idempotent-generated pseudo-composition algebras, which is a subclass of the family of axial algebras. More specifically, we utilise the group-algebra correspondence, natural to the axial framework in order to study…

Group Theory · Mathematics 2024-05-28 Vsevolod A. Afanasev

Using generating functions, we enumerate regular semisimple conjugacy classes in the finite classical groups. For the general linear, unitary, and symplectic groups this gives a different approach to known results; for the special…

Group Theory · Mathematics 2012-09-18 Jason Fulman , Robert Guralnick

We study the conjugacy classes of the classical affine groups. We derive generating functions for the number of classes analogous to formulas of Wall and the authors for the classical groups. We use these to get good upper bounds for the…

Combinatorics · Mathematics 2024-05-01 Jason Fulman , Robert Guralnick

This survey is about the fundamentals of the theory of finite dimensional Lie groups over the field of real numbers. The notion of the tangent space of a manifold at a point is considered to be defined via the well known chart and vector…

History and Overview · Mathematics 2021-09-01 Farzad Shahi

In this paper we introduce the classical and quantum covariant Weil algebras. Covariant Weil algebras are simultaneous generalizations of Weil algebras and family algebras. We will define differentials, Lie derivatives and contractions on…

Representation Theory · Mathematics 2012-11-16 Zhaoting Wei

We compute the noncommutative deformations of a family of modules over the first Weyl algebra. This example shows some important properties of noncommutative deformation theory that separates it from commutative deformation theory.

Algebraic Geometry · Mathematics 2007-12-14 Eivind Eriksen

A fake quadric is a smooth projective surface that has the same rational cohomology as a smooth quadric surface but is not biholomorphic to one. We provide an explicit classification of all irreducible fake quadrics according to the…

Algebraic Geometry · Mathematics 2019-06-04 Benjamin Linowitz , Matthew Stover , John Voight

In this paper we describe the polynomial identities of degree 4 for a certain subspace of the Weyl algebra A_1 over an infinite field of arbitrary characteristic.

Rings and Algebras · Mathematics 2024-04-10 Artem Lopatin , Carlos Arturo Rodriguez Palma

We use fermionic representations to obtain a class of BC$_{{}_{\text N}}$-graded Lie algebras coordinatized by quantum tori with nontrivial central extensions.

Quantum Algebra · Mathematics 2020-11-18 Hongjia Chen , Yun Gao

We deduce decompositions of natural representations of general linear groups and symmetric groups from combinatorial bijections involving tableaux. These include some of Howe's dualities, Gelfand models, the Schur-Weyl decomposition of…

Representation Theory · Mathematics 2020-06-18 Digjoy Paul , Amritanshu Prasad , Arghya Sadhukhan

A catalogue of explicit realizations of representations of (super) Lie algebras and quantum algebras in Fock space is presented.

q-alg · Mathematics 2007-05-23 Alexander Turbiner

In this paper we describe a new method of calculation of master integrals based on the solution of systems of difference equations in one variable. An explicit example is given, and the generalization to arbitrary diagrams is described. As…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Laporta

Super Weyl group plays an important role in the study of representations of basic classical Lie superalgebras. The Coxeter graphs for super Weyl groups of basis classical Lie superalgebras have been given in \cite{CLS}, where the authors…

Representation Theory · Mathematics 2026-04-01 Yuhui Shen , Zhiyang Tan

Finite-dimensional subalgebras of a Lie algebra of smooth vector fields on a circle, as well as piecewise-smooth global transformations of a circle on itself, are considered. A canonical forms of realizations of two- and three-dimensional…

Representation Theory · Mathematics 2018-10-24 Stanislav Spichak

We give a general definition of classical and quantum groups whose representation theory is "determined by partitions" and study their structure. This encompasses many examples of classical groups for which Schur-Weyl duality is described…

Representation Theory · Mathematics 2015-07-29 Amaury Freslon