Results 1 to 10 of about 1,238 (80)

Classification and properties of the $$\pi $$ π -submaximal subgroups in minimal nonsolvable groups

open access: yesBulletin of Mathematical Sciences, 2017
Let $$\pi $$ π be a set of primes. According to H. Wielandt, a subgroup H of a finite group X is called a $$\pi $$ π -submaximal subgroup if there is a monomorphism $$\phi :X\rightarrow Y$$ ϕ:X→Y into a finite group Y such that $$X^\phi $$ Xϕ is ...
Wenbin Guo, Danila O. Revin
doaj   +1 more source

Frattini Argument for Hall subgroups

open access: yes, 2014
In the paper, it is proved that if a finite group $G$ possesses a $\pi$-Hall subgroup for a set $\pi$ of primes, then every normal subgroup $A$ of $G$ possesses a $\pi$-Hall subgroup $H$ such that ${G=AN_G(H)}$
Revin, Danila, Vdovin, Evgeny
core   +1 more source

On the Frattini subgroup of a finite group

open access: yes, 2016
We study the class of finite groups $G$ satisfying $\Phi (G/N)= \Phi(G)N/N$ for all normal subgroups $N$ of $G$. As a consequence of our main results we extend and amplify a theorem of Doerk concerning this class from the soluble universe to all finite ...
Aivazidis, Stefanos   +1 more
core   +1 more source

Existence criterion for Hall subgroups of finite groups

open access: yes, 2010
In the paper we obtain an existence criterion for Hall subgroups of finite groups in terms of a composition series.Comment: We made some editor corrections in the ...
Danila O. Revin   +2 more
core   +1 more source

Half-BPS M2-brane orbifolds [PDF]

open access: yes, 2010
Smooth Freund-Rubin backgrounds of eleven-dimensional supergravity of the form AdS_4 x X^7 and preserving at least half of the supersymmetry have been recently classified.
de Medeiros, Paul   +1 more
core   +2 more sources

Limits of contraction groups and the Tits core

open access: yes, 2013
The Tits core G^+ of a totally disconnected locally compact group G is defined as the abstract subgroup generated by the closures of the contraction groups of all its elements.
Caprace, Pierre-Emmanuel   +2 more
core  

The Engel elements in generalized FC-groups

open access: yes, 2014
We generalize to FC*, the class of generalized FC-groups introduced in [F. de Giovanni, A. Russo, G. Vincenzi, Groups with restricted conjugacy classes, Serdica Math. J. 28 (2002), 241-254], a result of Baer on Engel elements.
Tortora, A., Vincenzi, G.
core  

The false myth of "iodine allergy" also in nuclear medicine. [PDF]

open access: yesEur J Nucl Med Mol Imaging, 2021
Gómez-Perales JL, García-Mendoza A.
europepmc   +1 more source

Magnetic Resonance Imaging of Optic Nerve Traction During Adduction in Primary Open-Angle Glaucoma With Normal Intraocular Pressure. [PDF]

open access: yesInvest Ophthalmol Vis Sci, 2017
Demer JL   +8 more
europepmc   +1 more source

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