Results 1 to 10 of about 741 (55)

PI theory for Associative Pairs [PDF]

open access: yes, 2019
We extend the classical associative PI-theory to Associative Pairs, and in doing so, we introduce related notions already present for algebras (and Jordan systems) as the ones of PI-element and PI-ideal, extended centroid and central ...
Montaner, F., Paniello, I.
core   +2 more sources

The Reticulation of a Universal Algebra [PDF]

open access: yes, 2017
The reticulation of an algebra $A$ is a bounded distributive lattice ${\cal L}(A)$ whose prime spectrum of filters or ideals is homeomorphic to the prime spectrum of congruences of $A$, endowed with the Stone topologies.
Georgescu, George, Mureşan, Claudia
core   +2 more sources

A note on derivations in semiprime rings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2005
We prove in this note the following result. Let n>1 be an integer and let R be an n!-torsion-free semiprime ring with identity element. Suppose that there exists an additive mapping D:R→R such that D(xn)=∑j=1nxn−jD(x)xj−1 is fulfilled for all x∈R.
Joso Vukman, Irena Kosi-Ulbl
doaj   +1 more source

A generalization of quantales with applications to modules and rings

open access: yes, 2016
We introduce a lattice structure as a generalization of meet-continuous lattices and quantales. We develop a point-free approach to these new lattices and apply these results to $R$-modules. In particular, we give the module counterpart of the well known
Bárcenas, Mauricio Medina   +2 more
core   +1 more source

On the notion of 'retractable modules' in the context of algebras [PDF]

open access: yes, 2014
This is a survey on the usage of the module theoretic notion of a "retractable module" in the study of algebras with actions. We explain how classical results can be interpreted using module theory and end the paper with some open questions.Comment ...
Lomp, Christian
core   +1 more source

Rank of elements of general rings in connection with unit-regularity

open access: yes, 2018
We define the rank of elements of general unital rings, discuss its properties and give several examples to support the definition. In semiprime rings we give a characterization of rank in terms of invertible elements.
Stopar, Nik
core   +1 more source

Idempotents and structures of rings

open access: yes, 2016
We study a ring containing a complete set of orthogonal idempotents as a generalized matrix ring via its Peirce decomposition. We focus on the case where some of the underlying bimodule homomorphisms are zero.
Anh, P. N.   +2 more
core   +1 more source

(,)- Strongly Derivations Pairs on Rings

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2016
        Let R be an associative ring. In this paper we present the definition of (s,t)- Strongly derivation pair and Jordan (s,t)- strongly derivation pair on a ring R, and study the relation between them.
I. A. Saed
doaj  

Generalized derivations with central values on lie ideals LIE IDEALS [PDF]

open access: yes, 2014
Let R be a prime ring of H a generalized derivation and L a noncentral lie ideal of R. We show that if l^sH(l)l^t in Z(R) for all lin2 L, where s, t> 0 are fixed integers, then H(x) = bx for some b in C, the extended centroid of R, or R satisfies S4 ...
Rahmani, Venus, Sahebi, Shervin
core  

Ring Endomorphisms with Large Images [PDF]

open access: yes, 2012
The notion of ring endomorphisms having large images is introduced. Among others, injectivity and surjectivity of such endomorphisms are studied. It is proved, in particular, that an endomorphism S of a prime one-sided noetherian ring R is injective ...
Leroy, André, Matczuk, Jerzy
core   +2 more sources

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