Results 1 to 10 of about 128,030 (158)

On the Theory of Ring Afterglows

open access: yesThe Astrophysical Journal, 2023
Synchrotron and inverse Compton emission successfully explain the observed spectra of gamma-ray burst (GRB) afterglows. It is thought that most GRBs are products of extremely relativistic outflows and the afterglow marks the interaction of that ejecta ...
Marcus DuPont   +2 more
doaj   +3 more sources

Morita contexts and unitary ideals of rings [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2021
In this paper we study Morita contexts between rings without identity. We prove that if two associative rings are connected by a Morita context with surjective mappings, then these rings have isomorphic quantales of unitary ideals.
Kristo Väljako, Valdis Laan
doaj   +1 more source

The Axiomatics of Free Group Rings [PDF]

open access: yesGroups, Complexity, Cryptology, 2021
In [FGRS1,FGRS2] the relationship between the universal and elementary theory of a group ring $R[G]$ and the corresponding universal and elementary theory of the associated group $G$ and ring $R$ was examined.
Benjamin Fine   +4 more
doaj   +1 more source

(θ1,θ2) - Derivation Pair on Rings

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2022
Ring theory is one of the influential branches of abstract algebra. In this field, many algebraic problems have been considered by mathematical researchers who are working in this field.
Mohammed Khalid Shahoodh
doaj   +1 more source

On Strongly  – Regular Rings [PDF]

open access: yesمجلة التربية والعلم, 2009
The main goal of the work is to study a strongly -regular rings, which was introduce by Mohammad A. J. and Salih. S. M. in (2006). That is, a ring R is said to be strongly -regular if for every a R there exists bR and a positive integer n≠1 such ...
Baida S. Abdullah
doaj   +1 more source

A Review Study on Some Properties of The Structure of Neutrosophic Ring [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
In this article we use neutrosophy to introduced Particular Structure of neutrosophic ring and studied some theorem and properties according to classical axiomatic ring theory.
Adel Al-Odhari
doaj   +1 more source

Prime Ideal, Semiprime Ideal, and Radical of an Ideal of an L-Subring

open access: yesFuzzy Information and Engineering, 2023
In this paper, we develop a systematic theory for the ideals of an L-ring L(μ, R). We introduce the concepts of a prime ideal, a semiprime ideal, and the radical of an ideal in an L-ring. The notion of a maximal ideal has been introduced and discussed in
Anand Swaroop Prajapati   +2 more
doaj   +1 more source

Study on the method of analyzing the time-variant internal mesh stiffness of helical gears considering the flexibility of the gear ring

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2023
In a 9-speed transmission, as a key participant of a planetary wheel system, the gear ring will be subjected to elastic deformation as a result of the meshing action, affecting the smoothness of the transmission.
Shi WU   +3 more
doaj   +1 more source

Connecting university mathematics and school mathematics to address Klein’s double discontinuity: A case of ring theory

open access: yesBeta: Jurnal Tadris Matematika, 2019
[English]: The article aims to reveal how pre-service mathematics teachers (PMTs) identify the connection between ring theory and the mathematics topics in secondary schools in Indonesia.
Agnita Siska Pramasdyahsari   +2 more
doaj   +1 more source

QUOTIENT SEMINEAR-RINGS OF THE ENDOMORPHISM OF SEMINEAR-RINGS

open access: yesBarekeng, 2022
A seminear-ring is a generalization of ring. In ring theory, if  is a ring with the multiplicative identity, then the endomorphism module  is isomorphic to . Let  be a seminear-ring.
Meryta Febrilian Fatimah   +2 more
doaj   +1 more source

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