Results 11 to 20 of about 292 (47)

On the distribution of the density of maximal order elements in general linear groups [PDF]

open access: yes, 2014
In this paper we consider the density of maximal order elements in $\mathrm{GL}_n(q)$. Fixing any of the rank $n$ of the group, the characteristic $p$ or the degree $r$ of the extension of the underlying field $\mathbb{F}_q$ of size $q=p^r$, we compute ...
Aivazidis, Stefanos, Sofos, Efthymios
core   +1 more source

The (2,3)-generation of the special linear groups over finite fields

open access: yes, 2016
We complete the classification of the finite special linear groups $\SL_n(q)$ which are $(2,3)$-generated, i.e., which are generated by an involution and an element of order $3$.
Pellegrini, Marco Antonio
core   +1 more source

Induced Characters of Type D Weyl Groups and the Littlewood-Richardson Rule

open access: yes, 2014
For any ordinary irreducible character of a maximal reflection subgroup of type $D_aD_b$ of a type $D$ Weyl group we give an explicit decomposition of the induced character in terms of Littlewood-Richardson coefficients.Comment: 8 pages; (v2) made some ...
Taylor, Jay
core   +1 more source

Regular orbits of coprime linear groups in large characteristic

open access: yes, 2017
We prove that a finite coprime linear group G in characteristic p>=(|G|-1)/2 has a regular orbit. This bound on p is best possible.
BENJAMIN SAMBALE, Hartley, Köhler
core   +1 more source

Orthogonality relations for deep level Deligne–Lusztig schemes of Coxeter type

open access: yesForum of Mathematics, Sigma
In this paper, we prove some orthogonality relations for representations arising from deep level Deligne–Lusztig schemes of Coxeter type. This generalizes previous results of Lusztig [Lus04], and of Chan and the second author [CI21b].
Olivier Dudas, Alexander B. Ivanov
doaj   +1 more source

Picky elements, subnormalisers, and character correspondences

open access: yesForum of Mathematics, Sigma
We gather evidence on a new local-global conjecture of Moretó and Rizo on values of irreducible characters of finite groups. For this we study subnormalisers and picky elements in finite groups of Lie type and determine them in many cases, for unipotent ...
Gunter Malle
doaj   +1 more source

Moments, Exponential Sums, and Monodromy Groups

open access: yesForum of Mathematics, Sigma
We determine the geometric monodromy groups attached to various families, both one-parameter and multi-parameter, of exponential sums over finite fields, or, more precisely, the geometric monodromy groups of the $\ell $ -adic local systems on ...
Nicholas M. Katz, Pham Huu Tiep
doaj   +1 more source

The ElGamal cryptosystem over circulant matrices [PDF]

open access: yes, 2011
In this paper we study extensively the discrete logarithm problem in the group of non-singular circulant matrices. The emphasis of this study was to find the exact parameters for the group of circulant matrices for a secure implementation.
Mahalanobis, Ayan
core   +3 more sources

Linear Approximate Groups

open access: yes, 2010
This is an informal announcement of results to be described and proved in detail in a paper to appear. We give various results on the structure of approximate subgroups in linear groups such as $\SL_n(k)$.
Breuillard, Emmanuel   +2 more
core   +1 more source

The simple classical groups of dimension less than 6 which are (2,3)-generated

open access: yes, 2015
In this paper we determine the classical simple groups of dimension r=3,5 which are (2,3)-generated (the cases r = 2, 4 are known). If r = 3, they are PSL_3(q), q 4, and PSU_3(q^2), q^2 9, 25. If r = 5 they are PSL_5(q), for all q, and PSU_5(q^2), q^2 >
Bellani, M. C. Tamburini   +1 more
core   +1 more source

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