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Algebra i logika, 2005, Volume 44, Number 3, Pages 305–334 (Mi al114)  

This article is cited in 3 scientific papers (total in 3 papers)

Borel Subalgebras of Schur Superalgebras

A. N. Zubkov

Omsk State Pedagogical University
Full-text PDF (311 kB) Citations (3)
References:
Abstract: It is proved that any Schur superalgebra is representable as a product of two Borel subalgebras of that superalgebra, which are symmetric w. r. t. its natural anti-isomorphism (Bruhat – Tits decomposition). This readily implies that any simple module is uniquely defined by its highest weight, and all other weights are strictly less than is the highest under the dominant ordering. It is stated that the fundamental theorem of Kempf, which is valid for all classical Schur algebras, might be true for superalgebras only if they are semisimple. Nevertheless, a weaker theorem of Grothendieck holds true for superalgebras since Borel subalgebras are quasihereditary. Also we formulate an analog of the Donkin – Mathieu theorem for Schur superalgebras, and show that it is valid in the elementary non-classical case, that is, for the algebras $S(1|1, r)$.
Keywords: Borel subalgebra, simple module, Schur superalgebra.
Received: 05.05.2004
English version:
Algebra and Logic, 2005, Volume 44, Issue 3, Pages 168–184
DOI: https://doi.org/10.1007/s10469-005-0018-8
Bibliographic databases:
UDC: 512.552.22
Language: Russian
Citation: A. N. Zubkov, “Borel Subalgebras of Schur Superalgebras”, Algebra Logika, 44:3 (2005), 305–334; Algebra and Logic, 44:3 (2005), 168–184
Citation in format AMSBIB
\Bibitem{Zub05}
\by A.~N.~Zubkov
\paper Borel Subalgebras of Schur Superalgebras
\jour Algebra Logika
\yr 2005
\vol 44
\issue 3
\pages 305--334
\mathnet{http://mi.mathnet.ru/al114}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=2170689}
\zmath{https://zbmath.org/?q=an:1150.16028}
\transl
\jour Algebra and Logic
\yr 2005
\vol 44
\issue 3
\pages 168--184
\crossref{https://doi.org/10.1007/s10469-005-0018-8}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-22344453835}
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  • https://www.mathnet.ru/eng/al/v44/i3/p305
  • This publication is cited in the following 3 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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    Abstract page:309
    Full-text PDF :103
    References:54
    First page:1
     
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