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Published in 2017 at "Journal of Mathematical Sciences"
DOI: 10.1007/s10958-018-3998-3
Abstract: A Cayley graph over a group G is said to be central if its connection set is a normal subset of G. It is proved that for any two central Cayley graphs over explicitly given…
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Keywords:
simple groups;
almost simple;
time;
cayley graphs ... See more keywords
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1
Published in 2019 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2018.11.034
Abstract: Abstract Given a finite group G and a faithful irreducible FG-module V where F has prime order, does G have a regular orbit on V? This problem is equivalent to determining which primitive permutation groups…
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Keywords:
simple groups;
group;
orbits sporadic;
sporadic simple ... See more keywords
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Published in 2017 at "Journal of Number Theory"
DOI: 10.1016/j.jnt.2019.06.010
Abstract: Abstract In this paper we prove that for each integer of the form n = 4 ϖ (where ϖ is a prime between 17 and 73) at least one of the following groups: P Ω…
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Keywords:
groups lie;
simple groups;
galois;
lie type ... See more keywords
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Published in 2021 at "Forum of Mathematics, Sigma"
DOI: 10.1017/fms.2021.41
Abstract: Abstract For any given subgroup H of a finite group G, the Quillen poset ${\mathcal {A}}_p(G)$ of nontrivial elementary abelian p-subgroups is obtained from ${\mathcal {A}}_p(H)$ by attaching elements via their centralisers in H. We…
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Keywords:
simple groups;
quillen conjecture;
conjecture;
via centralisers ... See more keywords
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2
Published in 2018 at "Communications in Algebra"
DOI: 10.1080/00927872.2017.1411491
Abstract: ABSTRACT Let p be a prime, G a finite group, and r≥1. We say a p-block B with defect group D of G is r-small if . In this paper, we show that almost all…
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Keywords:
simple groups;
blocks small;
defect symmetric;
small defect ... See more keywords
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Published in 2019 at "Experimental Mathematics"
DOI: 10.1080/10586458.2018.1556137
Abstract: A group G is said to have an exact factorization if there exist proper subgroups Ai for i=1,2,…,n such that G=A1A2…An and |G|=|A1||A2|…|An|. The number n is called length of this factorization. An ...
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Keywords:
simple groups;
sporadic simple;
exact factorizations;
factorizations sporadic ... See more keywords
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Published in 2017 at "Transactions of the American Mathematical Society"
DOI: 10.1090/tran/6935
Abstract: We show that small normal subsets A of finite simple groups grow very rapidly – namely, |A| ≥ |A|2− , where > 0 is arbitrarily small. Extensions, consequences, and a rapid growth result for simple…
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Keywords:
simple groups;
mathematics;
growth finite;
rapid growth ... See more keywords
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Published in 2019 at "Journal of Algebra and Its Applications"
DOI: 10.1142/s0219498819500166
Abstract: We investigate a possible connection between the [Formula: see text] properties of a group and its Sylow subgroups. We show that the simple groups [Formula: see text] and [Formula: see text], as well as all…
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Keywords:
sporadic simple;
sylow subgroups;
simple groups;
formula see ... See more keywords
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1
Published in 2017 at "Journal of Group Theory"
DOI: 10.1515/jgth-2016-0061
Abstract: Abstract Let ???? = { G i ∣ 1 ≤ i ∈ ℕ } {\mathcal{W}=\{G_{i}\mid 1\leq i\in\mathbb{N}\}} be a set of non-abelian finite simple groups. Set W 1 = G 1 {W_{1}=G_{1}} and choose a…
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Keywords:
simple groups;
abelian finite;
non abelian;
finite simple ... See more keywords
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Published in 2019 at "Journal of Group Theory"
DOI: 10.1515/jgth-2018-0188
Abstract: Abstract Let Irr(G){\operatorname{Irr}(G)} denote the set of complex irreducible characters of a finite group G, and let cd(G){\operatorname{cd}(G)} be the set of degrees of the members of Irr(G){\operatorname{Irr}(G)}. For positive integers k and l, we…
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Keywords:
groups product;
two primes;
almost simple;
product two ... See more keywords
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Published in 2019 at "Journal of Group Theory"
DOI: 10.1515/jgth-2019-0024
Abstract: Abstract Let G be a finite group and, for a prime p, let S be a Sylow p-subgroup of G. A character χ of G is called Sylp{\mathrm{Syl}_{p}}-regular if the restriction of χ to S…
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Keywords:
steinberg like;
characters finite;
like characters;
simple groups ... See more keywords