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Ufa Mathematical Journal, 2020, Volume 12, Issue 1, Pages 82–90
DOI: https://doi.org/10.13108/2020-12-1-82
(Mi ufa504)
 

This article is cited in 5 scientific papers (total in 5 papers)

Algebraicity of lattice of $\tau$-closed totally $\omega$-saturated formations of finite groups

V. V. Shcherbina

Belorus State University, Nezavisimosti av. 4, 220030, Minsk, Republic of Belorus
References:
Abstract: All groups considered in this paper are assumed to be finite. The symbol $\omega$ denotes some nonempty set of primes, and $\tau$ is a subgroup functor in the sense of A.N. Skiba. We recall that a formation is a class of groups that is closed under taking homomorphic images and finite subdirect products. Functions of the form $f:\omega\cup\{\omega'\}\to\{\text{formations of groups}\}$ are called $\omega$-local satellites (formation $\omega$-functions). Such functions are used to study the structure of $\omega$-saturated formations.
The paper is devoted to studying the properties of the lattice of all closed functorially totally partially saturated formations related to the algebraicity concept for a lattice of formations. We prove that for each subgroup functor $\tau$, the lattice $l_{\omega_{\infty}}^{\tau}$ of all $\tau$-closed totally $\omega$-saturated formations is algebraic. This generalizes the results by V.G. Safonov. In particular, we show that the lattice $l_{p_{\infty}}^{\tau}$ of all $\tau$-closed totally $p$-saturated formations is algebraic as well as the lattice $l_{\infty}^{\tau}$ of all $\tau$-closed totally saturated formations. Similar results are obtained for lattices of functorially closed totally partially saturated formations corresponding to certain subgroup functors $\tau$. Thus, we find new classes of algebraic lattices of formations of finite groups.
Keywords: formation of finite groups, totally $\omega$-saturated formation, lattice of formations, $\tau$-closed formation, algebraic lattice.
Funding agency Grant number
National Academy of Sciences of Belarus, Ministry of Education of the Republic of Belarus 1.1.03.02
This research is supported by the Ministry of Education of Republic of Belorussia (SPSS “Konvergencia” 1.1.03.02).
Received: 12.04.2019
Bibliographic databases:
Document Type: Article
UDC: 512.542
MSC: 20D10, 20F17
Language: English
Original paper language: Russian
Citation: V. V. Shcherbina, “Algebraicity of lattice of $\tau$-closed totally $\omega$-saturated formations of finite groups”, Ufa Math. J., 12:1 (2020), 82–90
Citation in format AMSBIB
\Bibitem{Shc20}
\by V.~V.~Shcherbina
\paper Algebraicity of lattice of $\tau$-closed totally $\omega$-saturated formations of finite groups
\jour Ufa Math. J.
\yr 2020
\vol 12
\issue 1
\pages 82--90
\mathnet{http://mi.mathnet.ru//eng/ufa504}
\crossref{https://doi.org/10.13108/2020-12-1-82}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000526181300006}
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  • https://www.mathnet.ru/eng/ufa504
  • https://doi.org/10.13108/2020-12-1-82
  • https://www.mathnet.ru/eng/ufa/v12/i1/p83
  • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Уфимский математический журнал
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    Russian version PDF:82
    English version PDF:12
    References:26
     
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