Results 21 to 30 of about 29,505 (192)

An Inductive Schema for Computing Conjugacy Classes in Permutation Groups [PDF]

open access: yesMathematics of Computation, 1994
An approach to computing the conjugacy classes of elements of large permutation groups is presented in detail, and a prototype implementation is described. The approach builds on recent efficient algorithms for computing conjugacy classes of p-groups, and for computing Sylow subgroups of large permutation groups.
openaire   +1 more source

Lie analysis, conservation laws and travelling wave structures of nonlinear Bogoyavlenskii–Kadomtsev–Petviashvili equation

open access: yesResults in Physics, 2020
In this paper, the Bogoyavlenskii–Kadomtsev–Petviashvili (BKP) equation is taken into consideration by means of Lie symmetry analysis. Infinitesimal generators are computed under the invariance criteria of Lie groups and symmetry group for each generator
Adil Jhangeer   +5 more
doaj   +1 more source

CHARACTER LEVELS AND CHARACTER BOUNDS

open access: yesForum of Mathematics, Pi, 2020
We develop the concept of character level for the complex irreducible characters of finite, general or special, linear and unitary groups. We give characterizations of the level of a character in terms of its Lusztig label and in terms of its degree ...
ROBERT M. GURALNICK   +2 more
doaj   +1 more source

Graph Coverings for Investigating Non Local Structures in Proteins, Music and Poems

open access: yesSci, 2021
We explore the structural similarities in three different languages, first in the protein language whose primary letters are the amino acids, second in the musical language whose primary letters are the notes, and third in the poetry language whose ...
Michel Planat   +4 more
doaj   +1 more source

Conjugacy classes and rational period functions for the Hecke groups

open access: yesInternational Journal of Number Theory, 2022
In this paper, we establish a one-to-one correspondence between conjugacy classes of any Hecke group and irreducible systems of poles of rational period functions for automorphic integrals on the same group. We use this correspondence to construct irreducible systems of poles and to count poles. We characterize Hecke-conjugation and Hecke-symmetry for
openaire   +3 more sources

The reduction theorem for relatively maximal subgroups

open access: yesBulletin of Mathematical Sciences, 2022
Let [Formula: see text] be a class of finite groups closed under taking subgroups, homomorphic images and extensions. It is known that if [Formula: see text] is a normal subgroup of a finite group [Formula: see text] then the image of an [Formula: see ...
Wenbin Guo   +2 more
doaj   +1 more source

Orbit counting in conjugacy classes for free groups acting on trees [PDF]

open access: yesJournal of Topology and Analysis, 2017
In this paper we study the action of the fundamental group of a finite metric graph on its universal covering tree. We assume the graph is finite, connected and the degree of each vertex is at least three. Further, we assume an irrationality condition on the edge lengths.
Kenison, G, Sharp, R
openaire   +4 more sources

The number of conjugacy classes in pattern groups is not a polynomial function [PDF]

open access: yes, 2011
A famous open problem due to Graham Higman asks if the number of conjugacy classes in the group of n x n unipotent upper triangular matrices over the q-element field can be expressed as a polynomial function of q for every fixed n.
Mazur B.   +3 more
core   +1 more source

On non-conjugate Coxeter elements in well-generated reflection groups [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2015
Given an irreducible well-generated complex reflection group $W$ with Coxeter number $h$, we call a Coxeter element any regular element (in the sense of Springer) of order $h$ in $W$; this is a slight extension of the most common notion of Coxeter ...
Victor Reiner   +2 more
doaj   +1 more source

CONJUGACY CLASS SIZES FOR SOME 2-GROUPS OF NILPOTENCY CLASS TWO

open access: yesJurnal Teknologi, 2012
Dalam kertas ini, kita menyelidik ciri tak terturunkan dan panjang kelas konjugat bagi kumpulan–2 berpenjana–2 dengan kelas nilpoten 2. Panjang kelas konjugat bagi elemen x dalam kumpulan G adalah peringkat xG di mana xG ialah kelas konjugat yang mengandungi x.
Ilangovan, Sheila, Sarmin, Nor Haniza
openaire   +2 more sources

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