Results 21 to 30 of about 5,631 (197)

Some homological properties of skew PBW extensions arising in non-commutative algebraic geometry

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2017
In this short paper we study for the skew PBW (Poincar-Birkhoff-Witt) extensions some homological properties arising in non-commutative algebraic geometry, namely, Auslander-Gorenstein regularity, Cohen-Macaulayness and strongly noetherianity.
Lezama Oswaldo
doaj   +1 more source

The cohomology of λ-rings and ψ-rings

open access: yes, 2010
In this thesis we develop the cohomology of diagrams of algebras and then apply this to the cases of the λ-rings and the ψ-rings. A diagram of algebras is a functor from a small category to some category of algebras.
Michael Robinson (2123074)
core   +5 more sources

Algebraic and Diagonable Rings [PDF]

open access: yesCanadian Journal of Mathematics, 1956
1. Introduction. In a well-known paper (7) Jacobson has shown how his structure theory for arbitrary rings can be applied to give more precise information about the so-called “algebraic” algebras. This specialization of his general theory is, however, perhaps not completely satisfying in that it deals only with algebras, i.e. rings admitting a field of
openaire   +1 more source

Varieties of unary-determined distributive $\ell$-magmas and bunched implication algebras [PDF]

open access: yesLogical Methods in Computer Science
A distributive lattice-ordered magma ($d\ell$-magma) $(A,\wedge,\vee,\cdot)$ is a distributive lattice with a binary operation $\cdot$ that preserves joins in both arguments, and when $\cdot$ is associative then $(A,\vee,\cdot)$ is an idempotent semiring.
Natanael Alpay   +2 more
doaj   +1 more source

Partial categorification of Hopf algebras and representation theory of towers of \mathcalJ-trivial monoids [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2014
This paper considers the representation theory of towers of algebras of $\mathcal{J} -trivial$ monoids. Using a very general lemma on induction, we derive a combinatorial description of the algebra and coalgebra structure on the Grothendieck rings $G_0 ...
Aladin Virmaux
doaj   +1 more source

Albert algebras over $\mathbb {Z}$ and other rings

open access: yesForum of Mathematics, Sigma, 2023
Albert algebras, a specific kind of Jordan algebra, are naturally distinguished objects among commutative nonassociative algebras and also arise naturally in the context of simple affine group schemes of type $\mathsf {F}_4$ , $\mathsf {E}_6$
Skip Garibaldi   +2 more
doaj   +1 more source

On Segregated Rings and Algebras [PDF]

open access: yesNagoya Mathematical Journal, 1957
Segregated algebras have been nicely characterized by M. Ikeda [4]. In this paper §1, we consider segregated rings and study the structure of such rings in Theorems 1.1 and 1.2. In §2, we specialize to the case of segregated algebras of finite dimension over a field. Theorem 2.1 gives a new characterization of such algebras.
openaire   +3 more sources

Golod-Shafarevich algebras, free subalgebras and Noetherian images [PDF]

open access: yes, 2012
It is shown that Golod–Shafarevich algebras of a reduced number of defining relations contain noncommutative free subalgebras in two generators, and that these algebras can be homomorphically mapped onto prime, Noetherian algebras with linear growth.
Agata Smoktunowicz, Smoktunowicz, Agata
core   +1 more source

Generalizations of the primitive element theorem

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1991
In this paper we generalize the primitive element theorem to the generation of separable algebras over fields and rings. We prove that any finitely generated separable algebra over an infinite field is generated by two elements and if the algebra is ...
Christos Nikolopoulos   +1 more
doaj   +1 more source

Generalized π-Baer *-rings [PDF]

open access: yesJournal of Algebraic Systems, 2023
‎A *-ring‎ ‎$R$ is called a generalized $\pi$-Baer *-ring‎, ‎if for any projection invariant left ideal $Y$ of $R$‎, ‎the right annihilator of $Y^n$‎ ‎is generated‎, ‎as a right ideal‎, ‎by a projection, ‎for some positive integer $n$‎, ‎depending on $Y$‎
Ali Shahidikia, Haimd Haj Seyyed Javadi
doaj   +1 more source

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