Results 51 to 60 of about 22,083 (264)

Special Subgroups of Gyrogroups: Commutators, Nuclei and Radical [PDF]

open access: yesMathematics Interdisciplinary Research, 2016
‎A gyrogroup is a nonassociative group-like structure modelled on the ‎space of relativistically admissible velocities with a binary ‎operation given by Einstein's velocity addition law‎.
Teerapong Suksumran
doaj   +1 more source

Radicals and primes in incidence algebras

open access: yesDiscrete Mathematics, 1974
AbstractThe nil radicals of an incidence algebra are determined. The prime ideal structure of the algebra and the unboundedness of the underlying partial order are related, leading to a notion of topological end for ordered sets.
openaire   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Generalized derivations with power values on rings and Banach algebras [PDF]

open access: yesMathematica Bohemica
Let $R$ be a prime ring and $I$ a nonzero ideal of $R.$ The purpose of this paper is to classify generalized derivations of $R$ satisfying some algebraic identities with power values on $I.$ More precisely, we consider two generalized derivations $F$ and
Abderrahman Hermas   +2 more
doaj   +1 more source

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

open access: yesFEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Some properties of 2-absorbing primary ideals in lattices

open access: yesAKCE International Journal of Graphs and Combinatorics, 2019
We introduce the concepts of a primary and a 2-absorbing primary ideal and the radical of an ideal in a lattice. We study some properties of these ideals. A characterization for the radical of an ideal to be a primary ideal is given.
Meenakshi P. Wasadikar   +1 more
doaj   +1 more source

On quasi-prime differential semiring ideals

open access: yesНауковий вісник Ужгородського університету. Серія: Математика і інформатика, 2020
The notion of a \verb"quasi-prime ideal", for the first time, was introduced in differential commutative rings, i.e. commutative rings considered together with a derivation, as differential ideals maximal among those not meeting some multiplicatively ...
І. О. Мельник
doaj   +1 more source

Prime Decompositions of Radicals in Polynomial Rings

open access: yesJournal of Symbolic Computation, 1994
Let \(R\) be a noetherian commutative ring with identity, \(S\) a set of finite subsets of \(R\), and Rep a surjective function from \(S\) to \(\text{Spec} (R)\). The author proves the following result: Theorem. Assume that for every \(C\in S\) there exists an algorithm for expressing every nonconstant element of \(K[x]\) as a product of irreducible ...
openaire   +1 more source

The prime radical in special Jordan rings [PDF]

open access: yesTransactions of the American Mathematical Society, 1971
If R is an associative ring, we consider the special Jordan ring R +
Erickson, T. S., Montgomery, S.
openaire   +2 more sources

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

open access: yesFEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes   +4 more
wiley   +1 more source

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