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It is well known that the category of super Lie groups (SLG) is equivalent to the category of super Harish-Chandra pairs (SHCP). Using this equivalence, we define the category of unitary representations (UR's) of a super Lie group. We give…

High Energy Physics - Theory · Physics 2015-06-26 C. Carmeli , G. Cassinelli , A. Toigo , V. S. Varadarajan

The adjoint representations of the Lie algebras of the classical groups SU(n), SO(n), and Sp(n) are, respectively, tensor, antisymmetric, and symmetric products of two vector spaces, and hence are matrix representations. We consider the…

High Energy Physics - Theory · Physics 2010-12-09 Yuhan Fang , Shir Levkowitz , Hisham Sati , Daniel Thompson

Superspecies are introduced to provide the nice constructions of all finite-dimensional superalgebras. All acyclic superspecies, or equivalently all finite-dimensional (gr-basic) gr-hereditary superalgebras, are classified according to…

Rings and Algebras · Mathematics 2007-10-12 Yang Han , Deke Zhao

In a recent paper ([1],[2]) we have classified explicitely all the unitary highest weight representations of non compact real forms of semisimple Lie Algebras on Hermitian symmetric space. These results are necessary in order to construct…

Mathematical Physics · Physics 2007-05-23 J. Garcia-Escudero , M. Lorente

Associative conformal algebras of conformal endomorphisms are of essential importance for the study of finite representations of conformal Lie algebras (Lie vertex algebras). We describe all semisimple algebras of conformal endomorphisms…

Quantum Algebra · Mathematics 2019-12-10 P. S. Kolesnikov , R. A. Kozlov

Results describing Lie ideals and maximal finite-codimensional Lie subalgebras of the Lie algebras associated with Lie algebroids with non-singular anchor maps are presented. It is also proved that every isomorphism of such Lie algebras…

Differential Geometry · Mathematics 2007-05-23 Janusz Grabowski , Katarzyna Grabowska

We study finite-dimensional representations of hyper loop algebras over non-algebraically closed fields. The main results concern the classification of the irreducible representations, the construction of the Weyl modules, base change,…

Representation Theory · Mathematics 2012-01-04 Dijana Jakelic , Adriano Moura

We consider typical finite dimensional complex irreducible representations of a basic classical simple Lie superalgebra, and give a sufficient condition on when unique factorization of finite tensor products of such representations hold. We…

Representation Theory · Mathematics 2024-04-02 Abhishek Das , Santosha Pattanayak

We consider the subalgebras of split real, non-twisted affine Kac-Moody Lie algebras that are fixed by the Chevalley involution. These infinite-dimensional Lie algebras are not of Kac-Moody type and admit finite-dimensional unfaithful…

Representation Theory · Mathematics 2022-03-30 Axel Kleinschmidt , Ralf Köhl , Robin Lautenbacher , Hermann Nicolai

The representation theory of symmetric Lie superalgebras and corresponding spherical functions are studied in relation with the theory of the deformed quantum Calogero-Moser systems. In the special case of symmetric pair g=gl(n,2m),…

Representation Theory · Mathematics 2015-03-27 A. N. Sergeev , A. P. Veselov

In these lectures the relations between symmetries, Lie algebras, Killing vectors and Noether's theorem are reviewed. A generalisation of the basic ideas to include velocity-dependend co-ordinate transformations naturally leads to the…

High Energy Physics - Theory · Physics 2011-04-15 J. W. van Holten , R. H. Rietdijk

We give a complete description of the bounded (i.e. norm continuous) unitary representations of the Fr\'echet-Lie algebra of all smooth sections, as well as of the LF-Lie algebra of compactly supported smooth sections, of a smooth Lie…

Representation Theory · Mathematics 2021-08-10 Bas Janssens , Karl-Hermann Neeb

We introduce the theory of local minimal models for Kan simplicial manifolds, which provide the appropriate generalization of minimal Kan simplicial sets to geometric contexts. We use this to obtain the first proof of Lie's third theorem…

Rings and Algebras · Mathematics 2026-03-16 Christopher L. Rogers , Jesse Wolfson

In the theory of finite groups, the irreducible representations of G over a field F are classified into blocks based on a direct decompositions of the group algebra FG. This gives a natural decomposition of FG-modules into direct summands,…

Rings and Algebras · Mathematics 2015-03-13 Donald W. Barnes

We introduce a class of novel $\mathbb{Z}_2 \times \mathbb{Z}_2$-graded color superalgebras of infinite dimension. It is done by realizing each member of the class in the universal enveloping algebra of a Lie superalgebra which is a module…

Mathematical Physics · Physics 2020-07-09 N. Aizawa , P. S. Isaac , J. Segar

The description of irreducible finite dimensional representations of finite dimensional solvable Lie superalgebras over complex numbers given by V.~Kac is refined. In reality these representations are not just induced from a polarization…

Representation Theory · Mathematics 2007-05-23 Alexander Sergeev

The connections between Euler's equations on central extensions of Lie algebras and Euler's equations on the original, extended algebras are described. A special infinite sequence of central extensions of nilpotent Lie algebras constructed…

Differential Geometry · Mathematics 2024-12-03 I. A. Taimanov

In this article, the structure of the Clifford-Weyl superalgebras and their associated Lie superalgebras will be investigated. These superalgebras have a natural supersymmetric inner product which is invariant under their Lie superalgebra…

Mathematical Physics · Physics 2023-10-24 Nasser Boroojerdian

In this paper, we study Lie superalgebras of $2\times 2$ matrix-valued first-order differential operators on the complex line. We first completely classify all such superalgebras of finite dimension. Among the finite-dimensional…

Mathematical Physics · Physics 2016-08-15 Federico Finkel , Artemio González-López , Miguel A. Rodríguez

We present a systematic study of symmetries, invariants and moduli spaces of classes of coframes. We introduce a classifying Lie algebroid to give a complete description of the solution to Cartan's realization problem that applies to both…

Differential Geometry · Mathematics 2012-10-08 Rui Loja Fernandes , Ivan Struchiner