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Algebra i logika, 2018, Volume 57, Number 3, Pages 285–305
DOI: https://doi.org/10.17377/alglog.2018.57.303
(Mi al850)
 

This article is cited in 6 scientific papers (total in 6 papers)

Projections of finite commutative rings with identity

S. S. Korobkov

Urals State Pedagogical University, ul. K. Libknekhta 9, Yekaterinburg, 620065 Russia
Full-text PDF (616 kB) Citations (6)
References:
Abstract: Associative rings $R$ and $R'$ are said to be lattice-isomorphic if their subring lattices $L(R)$ and $L(R')$ are isomorphic. An isomorphism of the lattice $L(R)$ onto the lattice $L(R')$ is called a projection (or a lattice isomorphism) of the ring $R$ onto the ring $R'$. A ring $R'$ is called the projective image of a ring $R$. We study lattice isomorphisms of finite commutative rings with identity. The objective is to specify sufficient conditions subject to which rings under lattice homomorphisms preserve the following properties: to be a commutative ring, to be a ring with identity, to be decomposable into a direct sum of ideals. We look into the question about the projective image of the Jacobson radical of a ring. In the first part, the previously obtained results on projections of finite commutative semiprime rings are supplemented with new information. Lattice isomorphisms of finite commutative rings decomposable into direct sums of fields and nilpotent ideals are taken up in the second part. Rings definable by their subring lattices are exemplified. Projections of finite commutative rings decomposable into direct sums of Galois rings and nilpotent ideals are considered in the third part. It is proved that the presence in a ring of a direct summand definable by its subring lattice (i.e., the Galois ring $GR(p^n,m)$, where $n>1$ and $m>1$) leads to strong connections between the properties of $R$ and $R'$.
Keywords: finite commutative rings with identity, subring lattices, lattice isomorphisms of rings.
Received: 22.11.2016
English version:
Algebra and Logic, 2018, Volume 57, Issue 3, Pages 186–200
DOI: https://doi.org/10.1007/s10469-018-9492-7
Bibliographic databases:
Document Type: Article
UDC: 512.552
Language: Russian
Citation: S. S. Korobkov, “Projections of finite commutative rings with identity”, Algebra Logika, 57:3 (2018), 285–305; Algebra and Logic, 57:3 (2018), 186–200
Citation in format AMSBIB
\Bibitem{Kor18}
\by S.~S.~Korobkov
\paper Projections of finite commutative rings with identity
\jour Algebra Logika
\yr 2018
\vol 57
\issue 3
\pages 285--305
\mathnet{http://mi.mathnet.ru/al850}
\crossref{https://doi.org/10.17377/alglog.2018.57.303}
\transl
\jour Algebra and Logic
\yr 2018
\vol 57
\issue 3
\pages 186--200
\crossref{https://doi.org/10.1007/s10469-018-9492-7}
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\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85054174662}
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  • https://www.mathnet.ru/eng/al/v57/i3/p285
  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Алгебра и логика Algebra and Logic
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