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We describe properties of the nonstandard q-deformation U'_q(so_n) of the universal enveloping algebra U(so_n) of the Lie algebra so_n which does not coincide with the Drinfeld--Jimbo quantum algebra U_q(so_n). In particular, it is shown…

Quantum Algebra · Mathematics 2007-05-23 N. Z. Iorgov , A. U. Klimyk

In this paper, we extend the Reshetikhin-Semenov-Tian-Shansky formulation of quantum affine algebras to the two-parameter quantum affine superalgebra $U_{p, q}(\widehat{\mathfrak{gl}}(m|n))$ and obtain its Drinfeld realization. We also…

Quantum Algebra · Mathematics 2024-12-05 Naihong Hu , Naihuan Jing , Xin Zhong

A degree one element of the Orlik-Solomon algebra of a hyperplane arrangement defines a cochain complex known as the Aomoto complex. The Aomoto complex can be considerd as the ``linear approximation'' of the twisted cochain complex with…

Geometric Topology · Mathematics 2024-05-21 Masahiko Yoshinaga

The Gelfand--Kirillov dimension has gained importance since its introduction as an tool in the study of non-commutative infinite dimensional algebras and their modules. In this paper we show a dichotomy for the Gelfand--Kirillov dimension…

Rings and Algebras · Mathematics 2016-12-28 Ashish Gupta , Arnab Dey Sarkar

In this paper, we extend the generalization of Drinfeld realization of quantum affine algebras to quantum affine superalgebras with its Drinfeld comultiplication and its Hopf algebra structure, which depends on a function $g(z)$ satisfying…

Quantum Algebra · Mathematics 2007-05-23 Jintai Ding , Boris Feigin

The quantum double construction of a $q$-deformed boson algebra possessing a Hopf algebra structure is carried out explicitly. The $R$-matrix thus obtained is compared with the existing literature.

q-alg · Mathematics 2009-10-30 D. S. McAnally , I. Tsohantjis

Introduced by Solomon, the descent algebra is a significant subalgebra of the group algebra of the symmetric group $\mathbf{k}S_n$ related to many important algebraic and combinatorial topics. It contains all the classical Lie idempotents…

Combinatorics · Mathematics 2025-04-15 Darij Grinberg , Ekaterina A. Vassilieva

We introduce a complex q-Fourier transform as a generalization of the (real) one analyzed in [Milan J. Math. {\bf 76} (2008) 307]. By recourse to tempered ultradistributions we show that this complex plane-generalization overcomes all…

Mathematical Physics · Physics 2015-06-03 A. Plastino , M. C. Rocca

This short paper being devoted to some aspects of the inverse problem of the representation theory treats several themes, which have their origins in the researches of F.A.Berezin, D.P.Zhelobenko, V.P.Maslov and his group, in context of the…

q-alg · Mathematics 2008-02-03 Denis V. Juriev

In this study, a relativistic formulation of the $(q)$-deformed Dunkl-Fokker-Planck equation in $(1+1)$-dimensions is constructed within the reflection-deformed quantum framework. In this case, the formalism includes $(q)$-deformed Dunkl…

High Energy Physics - Theory · Physics 2026-05-15 Abdelmalek Bouzenada

A method is proposed in this paper to construct a new extended q-deformed KP ($q$-KP) hiearchy and its Lax representation. This new extended $q$-KP hierarchy contains two types of q-deformed KP equation with self-consistent sources, and its…

Exactly Solvable and Integrable Systems · Physics 2015-05-13 Runliang Lin , Xiaojun Liu , Yunbo Zeng

We discussed twisted quantum deformations of D=4 Lorentz and Poincare algebras. In the case of Poincare algebra it is shown that almost all classical r-matrices of S.Zakrzewski classification can be presented as a sum of subordinated…

Quantum Algebra · Mathematics 2008-01-05 V. N. Tolstoy

This paper addresses a theory of R(p,q)-deformed combinatorics in discrete probability. It mainly focuses on R(p,q)-deformed factorials, binomial coefficients, Vandermonde's formula, Cauchy's formula, binomial and negative binomial…

General Mathematics · Mathematics 2019-06-10 Mahouton Norbert Hounkonnou , Fridolin Melong

We investigate products of certain double cosets for the symmetric group and use the findings to derive some multiplication formulas for q-Schur superalgebras. This gives a combinatorialisation of the relative norm approach developed by the…

Quantum Algebra · Mathematics 2018-03-20 Jie Du , Haixia Gu , Zhongguo Zhou

The Drinfeld twist is applyed to deforme the rank one orthosymplectic Lie superalgebra $osp(1|2)$. The twist element is the same as for the $sl(2)$ Lie algebra due to the embedding of the $sl(2)$ into the superalgebra $osp(1|2)$. The…

q-alg · Mathematics 2009-10-30 E. Celeghini , P. P. Kulish

In this note, we compute the Gelfand-Kirillov dimension of cosemisimple Hopf algebras that arise as deformations of a linearly reductive algebraic group. Our work lies in a purely algebraic setting and generalizes results of Goodearl-Zhang…

Quantum Algebra · Mathematics 2019-03-08 Alexandru Chirvasitu , Chelsea Walton , Xingting Wang

Having in mind the significance of parity (reflection) in various areas of physics, the single-mode and two-mode Wigner algebras are considered adding to them a reflection operator. The associated deformed $sl(2, R)$ algebra,…

Mathematical Physics · Physics 2025-05-22 W. S. Chung , H. Hassanabadi , L. M. Nieto , S. Zarrinkamar

We give a geometric proof of inverse Hamiltonian reduction for all affine W-algebras in type A at generic level, a certain embedding of the affine W-algebra corresponding to an arbitrary nilpotent in $\mathfrak{gl}_N$ into that…

Representation Theory · Mathematics 2025-08-26 Dylan Butson , Sujay Nair

In this article the quantized matrix algebras as in the title have been studied at a root of unity. A full classification of simple modules over such quantized matrix algebras of rank $2$ along with a class of finite dimensional…

Quantum Algebra · Mathematics 2022-06-22 Snehashis Mukherjee , Sanu Bera

I present a $q$-analog of the discrete Painlev\'e I equation, and a special realization of it in terms of $q$-orthogonal polynomials.

High Energy Physics - Theory · Physics 2009-10-22 F. W. Nijhoff