Results 31 to 40 of about 33,116 (304)
PRESIMPLIFIABLE AND WEAKLY PRESIMPLIFIABLE RINGS
Barekeng, 2023 Let be a commutative ring with identity. Two elements and b in are called to be associates if and , or equivalently, if . The generalization of associate relation in R has given the idea for definitions of presimplifiable and weakly presimplifiable
Deby Anastasya, Sri Wahyuni
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Two counterexamples in Power Series Rings
Journal of Algebra, 1986 Un anneau commutatif unitaire R est appelé seminormal si pour b,c\(\in R\) avec \(b^ 3=c^ 2\) il existe \(a\in R\) tel que \(a^ 3=c\) et \(a^ 2=b\). Les AA. donnent un exemple d'anneau R qui est seminormal tel que l'anneau de séries formelles \(R[[ X]]\) n'est pas seminormal et un exemple d'anneau S tel que dans l'anneau \(S[[ X]]\) il existe \(f=\sum^{
Hamann, Eloise, Swan, Richard G
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A STUDY OF DERIVATIONS AND LINEAR MAPPINGS ON SKEW GENERALIZED POWER SERIES MODULES
BarekengThis paper investigates the structure of skew generalized power series modules over skew generalized power series rings, emphasizing the extension of derivations in this context. We define and study additive mappings that generalize classical derivations
Ahmad Faisol, Fitriani Fitriani
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Strongly Hopfian subrings of power series rings
Mathematics OpenThe main purpose of this paper is to study the transfer of the strongly Hopfian property to subrings of power series rings. Let A be a commutative ring with identity element and I an arbitrary ideal of A.
Abdelamir Dabbabi, Ali Benhissi
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The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of 14C data over the last 8000 years [PDF]
Annales Geophysicae, 2002 We have carried out power spectrum, time-spectrum and bispectrum analyses of the long-term series of the radiocarbon concentrations deduced from measurements of the radiocarbon content in tree rings for the last 8000 years.
S. S. Vasiliev +3 more
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Results in Physics, 2023 A dual-band, polarization-insensitive, wide-angle metasurface array is presented in this article for electromagnetic (EM) energy harvesting in the UMTS-2100 band and Wi-Fi band.
Yiqing Wei +7 more
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Efficient D-π-π-A-Type Dye Sensitizer Based on a Benzothiadiazole Moiety: A Computational Study
Molecules, 2023 The design of highly efficient sensitizers is one of the most significant areas in dye-sensitized solar cell (DSSC) research. We studied a series of benzothiadiazole-based D-π-π-A organic dyes, putting emphasis on the influence of the donor moiety on the
Fatma M. Mustafa +3 more
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Nilpotent Elements in Skew Polynomial Rings [PDF]
Journal of Sciences, Islamic Republic of Iran, 2017 Letbe a ring with an endomorphism and an -derivationAntoine studied the structure of the set of nilpotent elements in Armendariz rings and introduced nil-Armendariz rings.
M. Azimi, A. Moussavi
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Influence of Thermoelastic Phenomena on the Energy Conservation in Non-Contacting Face Seals
Energies, 2020 The purpose of this study was to develop a mathematical model for non-contacting face seals to analyze how their performance is affected by thermoelastic phenomena. The model was used to solve thermal conductivity and thermoelasticity problems.
Slawomir Blasiak
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NILRADICALS OF SKEW POWER SERIES RINGS
Bulletin of the Korean Mathematical Society, 2004 Let \(R\) be an associative ring with identity and let \({\mathcal P}(R)\), \(N_r(R)\) and \({\mathcal N}(R)\) denote the prime radical, the upper nilradical and the set of all nilpotent elements of \(R\), respectively. \(R\) is \(2\)-primal if \({\mathcal P}(R)={\mathcal N}(R)\) and \(R\) is reduced if \({\mathcal N}(R)=0\).
Hong, Chan Yong +2 more
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