Results 31 to 40 of about 192,416 (257)

Sporadic simple groups and quotient singularities [PDF]

open access: yesIzvestiya: Mathematics, 2013
We show that the only sporadic simple group such that some of its faithful representations or some faithful representations of its stem extensions give rise to exceptional (weakly-exceptional but not exceptional, respectively) quotient singularities is the Hall-Janko group (the Suzuki group, respectively).
Cheltsov, I. A., Shramov, C. A.
openaire   +2 more sources

MULTIPLICITY-FREE PERMUTATION CHARACTERS OF COVERING GROUPS OF SPORADIC SIMPLE GROUPS [PDF]

open access: yes, 2013
In this paper we classify all multiplicity-free faithful per- mutation representations of the covering groups of the sporadic simple groups.
Linton, S. A., Mpono, Z. E.
core   +1 more source

The Existence of Triple Factorizations for Sporadic Groups of Rank 3

open access: yesМоделирование и анализ информационных систем, 2015
A finite group G with proper subgroups A and B has triple factorization G = ABA if every element g of G can be represented as g = aba0 , where a and a 0 are from A and b is from B.
L. S. Kazarin   +2 more
doaj   +1 more source

N = 3 SCFTs in 4 dimensions and non-simply laced groups

open access: yesJournal of High Energy Physics, 2020
In this paper we discuss various N = 3 SCFTs in 4 dimensions and in particular those which can be obtained as a discrete gauging of an N = 4 SYM theories with non- simply laced groups.
Mikhail Evtikhiev
doaj   +1 more source

Measuring co-authorship and networking-adjusted scientific impact. [PDF]

open access: yesPLoS ONE, 2008
Appraisal of the scientific impact of researchers, teams and institutions with productivity and citation metrics has major repercussions. Funding and promotion of individuals and survival of teams and institutions depend on publications and citations. In
John P A Ioannidis
doaj   +1 more source

Amalgams Which Involve Sporadic Simple Groups I

open access: yesJournal of Algebra, 1997
[For terminology and notions see the preceding review Zbl 0885.20013 of part I.] Part II is devoted to the commuting case. Here \(b=1\) and there are nine possible pairs \((P_1,P_2)\), eight of these are realized in one of the groups \(Co_2\), \(Co_1\), \(Fi_{22}\), \(\Aut(Fi_{22})\), \(Fi_{23}\), \(Fi_{24}'\), \(Fi_{24}\) and \(J_4\).
Parker, Christopher, Rowley, Peter
openaire   +3 more sources

Generators for maximal subgroups of Conway group Co1

open access: yesOpen Mathematics, 2019
The Conway groups are the three sporadic simple groups Co1, Co2 and Co3. There are total of 22 maximal subgroups of Co1 and generators of 6 maximal subgroups are provided in web Atlas of finite simple groups.
Yasin Faisal   +3 more
doaj   +1 more source

An identification theorem for the sporadic simple groups F_2 and M(23) [PDF]

open access: yes, 2012
We identify the sporadic groups M(23) and F_2 from the approximate structure of the centralizer of an element of order ...
Parker, Chris, Stroth, Gernot
core   +3 more sources

Kimmerle conjecture for the Held and O'Nan sporadic simple groups [PDF]

open access: yes, 2009
Using the Luthar--Passi method, we investigate the Zassenhaus and Kimmerle conjectures for normalized unit groups of integral group rings of the Held and O'Nan sporadic simple groups.
Bódi, Viktor   +2 more
core   +2 more sources

Groups with the same orders of Sylow normalizers as the Mathieu groups

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2005
There exist many characterizations for the sporadic simple groups. In this paper we give two new characterizations for the Mathieu sporadic groups. Let M be a Mathieu group and let p be the greatest prime divisor of |M|. In this paper, we prove that M is
Behrooz Khosravi, Behnam Khosravi
doaj   +1 more source

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