Results 71 to 80 of about 186 (173)
When Is a Simple Ring Noetherian?
A module is called a \(CS\)-module if every submodule is essential in a direct summand. It is proved that a simple ring \(R\) is right Noetherian provided every cyclic singular right \(R\)-module is \(CS\). In addition, a simple ring \(R\) is right hereditary right Noetherian provided every proper cyclic right \(R\)-module is quasi-injective.
Van Huynh, Dinh +2 more
openaire +1 more source
Classes of modules closed under projective covers
In this work, we study some classes of modules closed under submodules, quotients, and projective covers, even if the left projective cover of an arbitrary left module not always exists. We obtain a characterization of artinian principal ideal rings when
Cejudo-Castilla César +2 more
doaj +1 more source
Embedding Noetherian Rings in Artinian Rings
A well-known theorem of \textit{A. H. Schofield} [``Representation of rings over skew fields'', Lond. Math. Soc. Lect. Note Ser. 92, CUP, Cambridge (1985; Zbl 0571.16001)] asserts that an algebra \(A\) over a field can be embedded in a right Artinian ring if and only if there is a faithful Sylvester rank function on finitely presented \(A\)-modules. By
openaire +1 more source
Constructions over localizations of rings
In this paper we construct a category of effective noetherian rings in which linear equations can be “solved”. This category is closed with respect to some important constructions like trascendental extensions, quotientations, finite products and ...
Alessandro Logar
doaj
A Note on Weakly Semiprime Ideals and Their Relationship to Prime Radical in Noncommutative Rings
In this paper, we introduce the concept of weakly semiprime ideals and weakly n-systems in noncommutative rings. We establish the equivalence between an ideal P being a weakly semiprime ideal and R−P being a weakly n-system.
Alaa Abouhalaka
doaj +1 more source
Topological Noetherianity of polynomial functors II: base rings with Noetherian spectrum. [PDF]
Bik A, Danelon A, Draisma J.
europepmc +1 more source
Suppose $F$ is a totally ordered field equipped with its order topology and $X$ a completely $F$-regular topological space. Suppose $\mathcal{P}$ is an ideal of closed sets in $X$ and $X$ is locally-$\mathcal{P}$.
Sudip Kumar Acharyya +2 more
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Filtered Products of Copies of Injective Modules
We study the transfer of injectivity to filtered products of copies of an injective module. This leads to the introduction of a generalized Noetherian condition, the so-called (ℵ,M)-Noetherian rings. We prove that M is F-injective for every filter F with
Driss Bennis +3 more
doaj +1 more source
On the arithmetic of stable domains. [PDF]
Bashir A, Geroldinger A, Reinhart A.
europepmc +1 more source
Pure subrings of Du Bois singularities are Du Bois singularities
Let $R \to S$ be a cyclically pure map of Noetherian $\mathbb {Q}$ -algebras. In this paper, we show that if S has Du Bois singularities, then R has Du Bois singularities. Our result is new even when $R \to S$ is faithfully flat.
Charles Godfrey, Takumi Murayama
doaj +1 more source

