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A new method for deriving universal \v{R} matrices from braid group representation is discussed. In this case, universal \v{R} operators can be defined and expressed in terms of products of braid group generators. The advantage of this…

q-alg · Mathematics 2016-09-08 Feng Pan , Lianrong Dai

We provide an algorithmic framework for the computation of explicit representing matrices for all irreducible representations of a generalized symmetric group $\Grin_n$, i.e., a wreath product of cyclic group of order $r$ with the symmetric…

Representation Theory · Mathematics 2025-07-30 Koushik Paul , Götz Pfeiffer

In this note we provide explicit generators of the Picard groups of cyclic Brauer-Severi varieties defined over the base field. In particular, for all Brauer-Severi surfaces. To produce these generators we use the Twisting Theory for smooth…

Number Theory · Mathematics 2017-07-03 Eslam Badr , Francesc Bars , Elisa Lorenzo Garcia

In this work we generalize the concept of product by generators to the class of solvable Lie algebras. We analyze the number of invariants by the coadjoint representation by means of Maurer-Cartan equations and give some applications to…

Representation Theory · Mathematics 2007-05-23 R. Campoamor-Stursberg

We prove that every finite simple group of Lie type $G$ can be generated by three regular unipotent elements. In certain cases we show that two regular unipotents are sufficient to generate $G$.

Group Theory · Mathematics 2025-11-18 M. A. Pellegrini , A. E. Zalesski

Let $U/L$ be a finite abelian extension of number fields. We first construct a universal primitive generator of $U$ over $L$ whose relative trace to any intermediate field $F$ becomes a generator of $F$ over $L$, too. We also develop a…

Number Theory · Mathematics 2017-07-19 Ja Kyung Koo , Dong Hwa Shin

It is described the group of arrowy permutations (that is extension of symmetric group) and the consequent process of generation of GL(n) and some its subgroups by this combinatoric group and its subgroups.

General Mathematics · Mathematics 2007-05-23 I. V. Bayak

We use character theory of finite groups of Lie type to establish new results on representation varieties of Fuchsian groups, and also on probabilistic generation of groups of Lie type.

Group Theory · Mathematics 2020-08-18 Martin W. Liebeck , Aner Shalev , Pham H. Tiep

Following the approach of Ding and Frenkel [Comm. Math. Phys. 156 (1993), 277-300] for type $A$, we showed in our previous work [J. Math. Phys. 61 (2020), 031701, 41 pages] that the Gauss decomposition of the generator matrix in the…

Quantum Algebra · Mathematics 2020-05-22 Naihuan Jing , Ming Liu , Alexander Molev

This article surveys the application of the representation theory of loop groups to simple models in quantum field theory and to certain integrable systems. The common thread in the discussion is the construction of quantum fields using…

Mathematical Physics · Physics 2010-07-12 Alan L. Carey , Edwin Langmann

We utilize group-theoretical methods to develop a matrix representation of differential operators that act on tensors of any rank. In particular, we concentrate on the matrix formulation of the curl operator. A self-adjoint matrix of the…

Mathematical Physics · Physics 2016-05-18 J. Ramos , M. de Montigny , F. C. Khanna

We study groups generated by sets of pattern avoiding permutations. In the first part of the paper we prove some general results concerning the structure of such groups. In the second part we carry out a case-by-case analysis of groups…

Combinatorics · Mathematics 2024-07-08 Marilena Barnabei , Niccolò Castronuovo , Matteo Silimbani

A method of generating differential operators is used to solve the spectral problem for a generalisation of the Sylvester-Kac matrix. As a by-product, we find a linear differential operator with polynomial coefficients of the first order…

Classical Analysis and ODEs · Mathematics 2021-07-12 Alexander Dyachenko , Mikhail Tyaglov

We investigate the possibility of expressing the charged leptons and neutrino mass matrices as linear combinations of generators of a single finite group. Constraints imposed on the resulting mixing matrix by current data restrict the group…

High Energy Physics - Phenomenology · Physics 2015-06-17 G. K. Leontaris , N. D. Vlachos

A presentation by generators and relations of the $n$th symmetric power $B$ of a commutative algebra $A$ over a field of characteristic zero or greater than $n$ is given. This is applied to get information on a minimal homogeneous…

Commutative Algebra · Mathematics 2016-12-02 M. Domokos

A method to construct in explicit form the generators of the simple roots of an arbitrary finite-dimensional representation of a quantum or standard semisimple algebra is found. The method is based on general results from the global theory…

Mathematical Physics · Physics 2009-10-31 A. N. Leznov

The main purpose of this paper is providing a simple method to generate the matrices of irreducible representations because it is useful to reduce the computational time of solving the eigenvalue problems. The only information we need to…

Mathematical Physics · Physics 2007-08-07 Young-Chung Hsue

Closed-form generating functions for counting one-face rooted hypermaps with a known number of darts by number of vertices and edges is found, using matrix integral expressions relating to the reduced density operator of a bipartite quantum…

Combinatorics · Mathematics 2015-01-28 Jacob P. Dyer

This work investigates the inverse problem of generator recovery in matrix Lie groups from discretized trajectories. Let $G$ be a real matrix Lie group and $\mathfrak{g} = \text{Lie}(G)$ its corresponding Lie algebra. A smooth trajectory…

Machine Learning · Computer Science 2025-04-07 Lifan Hu

We provide explicit uniform type (2,3)-generators for the special linear group SL_{12}(q) for all q except for q=2 or 4. Our considerations are easily traceable, self-contained and based only on the known list of maximal subgroups of this…

Group Theory · Mathematics 2016-11-30 Tsanko Raykov Genchev