Results 1 to 10 of about 9,977 (216)

Simple semigroup graded rings [PDF]

open access: yesJournal of Algebra and Its Applications, 2015
We show that if R is a, not necessarily unital, ring graded by a semigroup G equipped with an idempotent e such that G is cancellative at e, the nonzero elements of eGe form a hypercentral group and Re has a nonzero idempotent f, then R is simple if and only if it is graded simple and the center of the corner subring f ReGe f is a field.
Nystedt, Patrik, Öinert, Johan
openaire   +3 more sources

Neutrosophic LA-Semigroup Rings [PDF]

open access: yesNeutrosophic Sets and Systems, 2015
Neutrosophic LA-semigroup is a midway structure between a neutrosophic groupoid and a commutative neutrosophic semigroup. Rings are the old concept in algebraic structures.
Mumtaz Ali   +3 more
doaj   +2 more sources

Shellability of semigroup rings [PDF]

open access: bronzeNagoya Mathematical Journal, 2002
AbstractThe concepts of Λ-shellability of locally finite posets as well as of extendable sequentially Koszul algebras will be introduced. It will be proved that the divisor poset of a homogeneous semigroup ring is Λ-shellable if and only if the semigroup ring is extendable sequentially Koszul.
Annetta Aramova   +2 more
openalex   +4 more sources

Semigroups in rings [PDF]

open access: bronzeJournal of the Australian Mathematical Society, 1975
A subsetSof a ringRis a left semigroup ideal ofRifRS⊈ R, and a left ring ideal ofRif in additionSis a subring ofR. Gluskin (1960) investigated those rings with 1 which possess the property: (λ) every left semigroup ideal is a left ring ideal.
J. Cresp, R. P. Sullivan
openalex   +2 more sources

Torsion-Free Abelian Semigroup Rings, V

open access: diamondMathematical journal of Ibaraki University, 1979
This is a continuation of the previous part VII in this series [ibid. 23, 1-8 (1991; Zbl 0756.13012)]. This paper concerns properties of a semigroup ring \(A[X;S]\) of a commutative semigroup \(S\) over a commutative ring \(A\). The first part generalizes and solves some problems of Karpilovsky about the unit group of \(A[X;S]\).
Ryûki Matsuda
openalex   +13 more sources

On Ideals in Partially Ordered Ternary Semigroups

open access: yesRatio Mathematica, 2023
The concept of ideals has been extensively studied through various algebraic structures such as near-rings, involution rings, regular rings, gamma-rings, semigroups, ordered semigroups, ternary semigroups and ordered ternary semigroups.
Dattatray Nabajirao Shinde   +1 more
doaj   +1 more source

Semiprimeness of semigroup algebras

open access: yesOpen Mathematics, 2021
Abundant semigroups originate from p.p. rings and are generalizations of regular semigroups. The main aim of this paper is to study the primeness and the primitivity of abundant semigroup algebras.
Guo Junying, Guo Xiaojiang
doaj   +1 more source

On semisimple semigroup rings [PDF]

open access: yesProceedings of the American Mathematical Society, 1980
Let π \pi be a property of rings that satisfies the conditions that (i) homomorphic images of π \pi -rings are π \pi -rings and (ii) ideals of π \pi -rings are π \pi -rings.
Teply, Mark L.   +2 more
openaire   +1 more source

Bifurcus semigroups and rings [PDF]

open access: yesInvolve, a Journal of Mathematics, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Adams, Donald   +6 more
openaire   +2 more sources

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