Results 1 to 10 of about 3,106 (258)

On Primitive Representations of Finite Alternating and Symmetric Groups with a 2-Transitive Subconstituent

open access: yesJournal of Algebra, 1996
Let \(G\) be a primitive permutation group on a finite set \(\Omega\) having a 2-transitive subconstituent \(G^{\Delta(\alpha)}_\alpha\) where \(\alpha\in\Omega\). By a theorem of the first author either \(G\) has a regular normal subgroup or \(G\) is almost simple. In this paper the almost simple case is studied under the assumption that the socle of \
Cheryl E Praeger
exaly   +3 more sources

Permutation-Based Distances for Groups and Group-Valued Time Series [PDF]

open access: yesEntropy
Permutations on a set, endowed with function composition, build a group called a symmetric group. In addition to their algebraic structure, symmetric groups have two metrics that are of particular interest to us here: the Cayley distance and the Kendall ...
José M. Amigó, Roberto Dale
doaj   +2 more sources

Coxeter-like complexes [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2004
Motivated by the Coxeter complex associated to a Coxeter system (W,S), we introduce a simplicial regular cell complex Δ(G,S) with a G-action associated to any pair (G,S) where G is a group and S is a finite set of generators for G which is ...
Eric Babson, Victor Reiner
doaj   +2 more sources

Centralizers of the infinite symmetric group [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2014
We review and introduce several approaches to the study of centralizer algebras of the infinite symmetric group $S_{\infty}$. Our work is led by the double commutant relationship between finite symmetric groups and partition algebras; in the case of $S_{\
Zajj Daugherty, Peter Herbrich
doaj   +1 more source

On the irreducibility of symmetrizations of cross-characteristic representations of finite classical groups [PDF]

open access: yesJournal of Pure and Applied Algebra, 2013
Let $W$ be a vector space over an algebraically closed field $k$. Let $H$ be a quasisimple group of Lie type of characteristic $p\ne {\rm char}(k)$ acting irreducibly on $W$. Suppose also that $G$ is a classical group with natural module $W$, chosen minimally with respect to containing the image of $H$ under the associated representation.
Magaard Kay   +2 more
openaire   +3 more sources

On matrix representations of oversemigroups of semigroups generated by two mutually annihilating idempotents

open access: yesНауковий вісник Ужгородського університету. Серія: Математика і інформатика, 2020
Matrix representations of finite semigroups over fields are studied not so well as for finite groups. Representations of finite groups over fields are studied sufficiently well; in particular, the criterions of representation type are fully defined for ...
В. М. Бондаренко   +1 more
doaj   +1 more source

Fermion mass hierarchies, large lepton mixing and residual modular symmetries

open access: yesJournal of High Energy Physics, 2021
In modular-invariant models of flavour, hierarchical fermion mass matrices may arise solely due to the proximity of the modulus τ to a point of residual symmetry.
P. P. Novichkov   +2 more
doaj   +1 more source

The large N limit of SU(N) integrals in lattice models

open access: yesNuclear Physics B, 2020
The standard U(N) and SU(N) integrals are calculated in the large N limit. Our main finding is that for an important class of integrals this limit is different for two groups. We describe the critical behaviour of SU(N) models and discuss implications of
O. Borisenko, V. Chelnokov, S. Voloshyn
doaj   +1 more source

2-index chiral gauge theories

open access: yesJournal of High Energy Physics, 2023
We undertake a systematic study of the 4-dimensional SU(N) 2-index chiral gauge theories and investigate their faithful global symmetries and dynamics.
Mohamed M. Anber, Samson Y. L. Chan
doaj   +1 more source

Symmetric representation of the elements of finite groups

open access: yes, 2006
Many finite groups, including all finite non-abelian simple groups, can be symmetrically generated by involutions. In this paper we give an algorithm to symmetrically represent elements of finite groups and to transform symmetrically represented elements in terms of their permutation representation.
Hasan, Z., Kasouha, A.
openaire   +2 more sources

Home - About - Disclaimer - Privacy