Results 21 to 30 of about 2,225,246 (264)

The Central Role of Left Atrium in Heart Failure [PDF]

open access: yesFrontiers in Cardiovascular Medicine, 2021
In past cardiovascular medicine, the attention to the left ventricle-identified as the only indicator and determinant of healthy or unhealthy cardiac conditions- has systematically hidden the role of the left atrium (LA). The recent advances in cardiovascular imaging have provided a better understanding of LA anatomy, physiology, and pathology, making ...
Carpenito, Myriam   +7 more
openaire   +5 more sources

Some Neutrosophic Triplet Subgroup Properties and Homomorphism Theorems in Singular Weak Commutative Neutrosophic Extended Triplet Group [PDF]

open access: yesNeutrosophic Sets and Systems, 2021
In 2018, the study of neutrosophic triplet cosets and neutrosophic triplet quotient group of a neutrosophic extended triplet group was initiated with a follow up of the establishment of fundamental homomorphism theorems for neutrosophic extended triplet ...
Temitope Gbolahan Jaiyeola   +2 more
doaj   +1 more source

Jordan semi-triple derivations and Jordan centralizers on generalized quaternion algebras

open access: yesAIMS Mathematics, 2023
In this paper, we investigate Jordan semi-triple derivations and Jordan centralizers on generalized quaternion algebras over the field of real numbers. We prove that every Jordan semi-triple derivation on generalized quaternion algebras over the field of
Ai-qun Ma, Lin Chen, Zijie Qin
doaj   +1 more source

Aspects of the category SKB of skew braces [PDF]

open access: yesCommunications in Algebra, 2022
We examine the pointed protomodular category SKB of left skew braces. We study the notion of commutator of ideals in a left skew brace. Notice that in the literature, “product” of ideals of skew braces is often considered. We show that the so-called (Huq 
D. Bourn, A. Facchini, M. Pompili
semanticscholar   +1 more source

Note on structural properties of graphs

open access: yesOpen Mathematics, 2022
In this paper, we establish sufficient and necessary conditions for the existence of abelian subgroups of maximal order of a finite group GG, by means of its commuting graph.
Arreola-Bautista Luis D.   +3 more
doaj   +1 more source

On Jordan Triple α-*Centralizers Of Semiprime Rings

open access: yesDemonstratio Mathematica, 2014
Let R be a 2-torsion free semiprime ring equipped with an involution *. An additive mapping T : R→R is called a left (resp. right) Jordan α-*centralizer associated with a function α: R→R if T(x2)=T(x)α(x*) (resp. T(x2)=α(x*)T(x)) holds for all x ∊ R.
Ashraf Mohammad   +2 more
doaj   +1 more source

On a Functional Equation Related to Two-Sided Centralizers

open access: yesAnnales Mathematicae Silesianae, 2018
The main aim of this manuscript is to prove the following result. Let n > 2 be a fixed integer and R be a k-torsion free semiprime ring with identity, where k ∈ {2, n - 1, n}.
Kosi-Ulbl Irena
doaj   +1 more source

A note on multiplicative (generalized)-skew derivation on semiprime rings

open access: yesJournal of Taibah University for Science, 2018
In this article, we study multiplicative (generalized)-skew derivation G and multiplicative left centralizer H satisfying certain conditions in semiprime rings.
Nadeem ur Rehman, Mohammad Shadab Khan
doaj   +1 more source

Centralizer construction of the Yangian of the queer Lie superalgebra [PDF]

open access: yes, 2004
Consider the complex matrix Lie superalgebra \( \mathfrak{g}\mathfrak{l}_{\left. N \right|N} \) with the standard generators E ij where i, j = ±1, . . . , ± N. Define an involutive automorphism η of \( \mathfrak{g}\mathfrak{l}_{\left. N \right|N} \) by η(
M. Nazarov, A. Sergeev
semanticscholar   +1 more source

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