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Related papers: Classification of quantum tori with involution

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We investigate the concept of a ``Chevalley involution'' within the framework of root-graded Lie algebras with compatible grading. We provide a characterization of all centerless Lie tori of type $A_\ell(\ell\geq2)$ admitting a Chevalley…

Quantum Algebra · Mathematics 2025-08-26 Saeid Azam , Mehdi Izadi Farhadi

The classification of structurable tori with nontrivial involution, which was begun by Allison and Yoshii, is completed. New examples of structurable tori are obtained using a construction of structurable algebras from a semilinear version…

Rings and Algebras · Mathematics 2008-09-06 Bruce Allison , John Faulkner , Yoji Yoshii

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

In finite-dimensional simple Lie algebras and affine Kac-Moody Lie algebras, Chevalley involutions are crucial ingredients of the modular theory. Towards establishing the modular theory for extended affine Lie algebras, we investigate the…

Quantum Algebra · Mathematics 2023-07-07 Saeid Azam , Mehdi Farhadi Izadi

We investigate a class of Lie algebras which we call {\it generalized reductive Lie algebras}. These are generalizations of semi-simple, reductive, and affine Kac-Moody Lie algebras. A generalized reductive Lie algebra which has an…

Quantum Algebra · Mathematics 2007-05-23 Saeid Azam

We classify the irreducible finite-dimensional representations of the twisted quantum affine algebras.

q-alg · Mathematics 2008-02-03 Vyjayanthi Chari , Andrew Pressley

This article considers some affine algebraic varieties attached to finite trees and closely related to cluster algebras. Their definition involves a canonical coloring of vertices of trees into three colors. These varieties are proved to be…

Quantum Algebra · Mathematics 2014-03-04 Frédéric Chapoton

The most prominent class of integrable quantum field theories in 1+1 dimensions is affine Toda theory. Distinguished by a rich underlying Lie algebraic structure these models have in recent years attracted much attention not only as test…

High Energy Physics - Theory · Physics 2007-05-23 Christian Korff

In this paper we study the isomorphism problem for centreless Lie tori that are fgc (finitely generated as modules over their centroid). These Lie tori play a important role in the theory of extended affine Lie algebras and of multiloop Lie…

Rings and Algebras · Mathematics 2011-06-16 Bruce Allison

The author introduces the notion of a quantum form of an algebraic torus. In the case of diagonal algebraic torus we get the algebra of Laurent twisted polynomials. Quantum algebraic torus can be characterized in terms of exact sequences.…

Quantum Algebra · Mathematics 2007-05-23 Alexander N Panov

We develop general results on centroids of Lie algebras and apply them to determine the centroid of extended affine Lie algebras, loop-like and Kac-Moody Lie algebras, and Lie algebras graded by finite root systems.

Representation Theory · Mathematics 2007-05-23 Georgia Benkart , Erhard Neher

Quantum toroidal algebras (or double affine quantum algebras) are defined from quantum affine Kac-Moody algebras by using the Drinfeld quantum affinization process. They are quantum groups analogs of elliptic Cherednik algebras (elliptic…

Quantum Algebra · Mathematics 2010-04-07 David Hernandez

In this paper, we give a complete classification of irreducible bounded weight modules over the derivation Lie algebras of rational quantum tori

Representation Theory · Mathematics 2020-01-10 Genqiang Liu , Kaiming Zhao

We classify centerless Lie G-tori of type C_r including the most difficult case r=2 by applying techniques due to Seligman. In particular, we show that the coordinate algebra of a Lie G-torus of type C_2 is either an associative G-torus…

Rings and Algebras · Mathematics 2007-05-23 Georgia Benkart , Yoji Yoshii

The Lie bialgebras of the (1+1) extended Galilei algebra are obtained and classified into four multiparametric families. Their quantum deformations are obtained, together with the corresponding deformed Casimir operators. For the coboundary…

Quantum Algebra · Mathematics 2011-09-01 Angel Ballesteros , Enrico Celeghini , Francisco J. Herranz

We consider associative algebras with involution graded by a finite abelian group G over a field of characteristic zero. Suppose that the involution is compatible with the grading. We represent conditions permitting PI-representability of…

Rings and Algebras · Mathematics 2014-12-09 Irina Sviridova

We define root graded Lie superalgebras and study their connection with centerless cores of extended affine Lie superalgebras; our definition generalizes the known notions of root graded Lie superalgebras.

Quantum Algebra · Mathematics 2015-08-03 Malihe Yousofzadeh

We construct certain integral structures for the cores of reduced tame extended affine Lie algebras of rank at least 2. One of the main tools to achieve this is a generalization of Chevalley automorphisms in the context of extended affine…

Quantum Algebra · Mathematics 2021-06-22 Saeid Azam , Amir Farahmand Parsa , Mehdi Izadi Farhadi

In this paper, we will introduce Quantum Toric Varieties which are (non-commutative) generalizations of ordinary toric varieties where all the tori of the classical theory are replaced by quantum tori. Quantum toric geometry is the…

Symplectic Geometry · Mathematics 2020-02-11 Ludmil Katzarkov , Ernesto Lupercio , Laurent Meersseman , Alberto Verjovsky

All deformations of two dimensional centrally extended Galilei group are classified. The corresponding quantum Lie algebras are found.

Quantum Algebra · Mathematics 2011-09-22 Anna Opanowicz
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