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  • Maximal zero product subrin... Maximal zero product subrings and inner ideals of simple rings
    Baranov, Alexander; Fernández López, Antonio Journal of algebra, 11/2019, Volume: 538
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    Let Q be a (not necessarily unital) simple ring or algebra. A nonempty subset S of Q is said to have zero product if S2=0. We classify all maximal zero product subsets of Q by proving that the map ...
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  • SIMPLICITY OF LEAVITT PATH ... SIMPLICITY OF LEAVITT PATH ALGEBRAS VIA GRADED RING THEORY
    LUNDSTRÖM, PATRIK; ÖINERT, JOHAN Bulletin of the Australian Mathematical Society, 12/2023, Volume: 108, Issue: 3
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    Suppose that R is an associative unital ring and that $E=(E^0,E^1,r,s)$ is a directed graph. Using results from graded ring theory, we show that the associated Leavitt path algebra $L_R(E)$ is simple ...
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  • Reduction of matrices over ... Reduction of matrices over simple Ore domains
    Bovdi, Victor; Zabavsky, Bohdan Linear & multilinear algebra, 03/2022, Volume: 70, Issue: 4
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    We study the theory of diagonal reductions of matrices over simple Ore domains of finite stable range. We cover the cases of 2-simple rings of stable range 1, Ore domains and certain cases of Bezout ...
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  • Simplicity of Ore monoid rings Simplicity of Ore monoid rings
    Nystedt, Patrik; Öinert, Johan; Richter, Johan Journal of algebra, 07/2019, Volume: 530
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    Given a non-associative unital ring R, a monoid G and a set π of additive maps R→R, we introduce the Ore monoid ring Rπ;G, and, in a special case, the differential monoid ring. We show that these ...
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  • Rings with fine nilpotents Rings with fine nilpotents
    Călugăreanu, Grigore; Zhou, Yiqiang Annali dell'Università di Ferrara. Sezione 7. Scienze matematiche, 11/2021, Volume: 67, Issue: 2
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    A nonzero sum of a unit and a nilpotent element in a ring is called a fine element. This is a study of rings in which every nonzero nilpotent is fine, which we call NF rings.
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  • On Litoff's theorem On Litoff's theorem
    Lee, Tsiu-Kwen Communications in algebra, 07/2017, Volume: 45, Issue: 7
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    We give a short proof of Litoff's theorem from the viewpoint of completely reducible modules.
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  • Simple ambiskew polynomial ... Simple ambiskew polynomial rings
    Jordan, David A.; Wells, Imogen E. Journal of algebra, 05/2013, Volume: 382
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    We determine simplicity criteria in characteristics 0 and p for a ubiquitous class of iterated skew polynomial rings in two indeterminates over a base ring. One obstruction to simplicity is the ...
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  • Simple Right-Symmetric (1, ... Simple Right-Symmetric (1, 1)-Superalgebras
    Pozhidaev, A. P.; Shestakov, I. P. Algebra and logic, 05/2021, Volume: 60, Issue: 2
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    It is proved that 2-torsion-free simple right-symmetric superrings having a nontrivial idempotent and satisfying a superidentity (x, y, z) + (−1) z(x+y) (z, x, y) + (−1) x(y+z) (y, z, x) = 0 are ...
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