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Quasi-clean rings and strongly quasi-clean rings

Communications in Contemporary Mathematics, 2021
An element [Formula: see text] of a ring [Formula: see text] is called a quasi-idempotent if [Formula: see text] for some central unit [Formula: see text] of [Formula: see text], or equivalently, [Formula: see text], where [Formula: see text] is a ...
Gaohua Tang, H. Su, P. Yuan
semanticscholar   +2 more sources

Examples of strongly clean rings

Communications in Algebra, 2019
A ring is called strongly clean if each of its elements can be written as the sum of an idempotent and a unit which commute. In this paper, we deal with two questions: first, is the center of a strongly clean ring R strongly clean, and second, is the ...
J. Šter
semanticscholar   +2 more sources

On Strongly Δ-Clean Rings

Asian-European Journal of Mathematics
This study explores in depth the structure and properties of the so-called strongly[Formula: see text]-clean rings, that is a novel class of rings in which each ring element decomposes into a sum of a commuting idempotent and an element from the subset [Formula: see text] (see also [P. H. Tin and N. Q.
A. Moussavi   +3 more
semanticscholar   +2 more sources

ON STRONGLY ∗-CLEAN RINGS

Journal of Algebra and Its Applications, 2011
A *-ring R is called a *-clean ring if every element of R is the sum of a unit and a projection, and R is called a strongly *-clean ring if every element of R is the sum of a unit and a projection that commute with each other. These concepts were introduced and discussed recently by [L.
Chunna Li, Yiqiang Zhou
semanticscholar   +3 more sources

Dedekind-Finite Strongly Clean Rings

Communications in Algebra, 2014
In this article we partially answer two open questions concerning clean rings. First, we demonstrate that if a quasi-continuous module is strongly clean then it is Dedekind-finite. Second, we prove a partial converse. We also prove that all clean decompositions on submodules of continuous modules extend to the entire module.
V. Camillo, T. Dorsey, Pace P. Nielsen
semanticscholar   +2 more sources

Strongly Clean Matrix Rings over a Skew Monoid Ring

Algebra Colloquium, 2023
Let [Formula: see text] be a ring with an endomorphism [Formula: see text], [Formula: see text] the free monoid generated by [Formula: see text] with 0 added, and [Formula: see text] a factor of [Formula: see text] obtained by setting certain monomials ...
Arezou Karimimansoub, M. Sadeghi
semanticscholar   +3 more sources

A Survey of Strongly Clean Rings

Acta Applicandae Mathematicae, 2009
The author gives an account of the results on strongly clean rings. The author introduces some main results and some interesting questions on the following subjects: (1) Strongly \(\pi\)-regular rings vs strongly clean rings; (2) Clean rings vs strongly clean rings; (3) Necessary conditions for a matrix ring to be strongly clean; (4) Strongly clean ...
Xiande Yang
semanticscholar   +3 more sources

On Strongly Ɣ-Clean Rings

Advances in Nonlinear Variational Inequalities
For any element z of a ring R is said to be Ɣ-clean if z=a+e, where a is γ-regular and e is an idempotent, further if ae=ea , the element z is called strongly Ɣ-clean. If all the elements of a ring R is Ɣ-clean (resp.
Zubaida M. Ibraheem   +2 more
semanticscholar   +2 more sources

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