Results 41 to 50 of about 398 (77)

Fundamental group of Schurian categories and the Hurewicz isomorphism [PDF]

open access: yes, 2011
Let k be a field. We attach a CW-complex to any Schurian k-category and we prove that the fundamental group of this CW-complex is isomorphic to the intrinsic fundamental group of the k-category. This extends previous results by J.C. Bustamante.
Cibils, Claude   +2 more
core   +2 more sources

A Study of Generalized Differential Identities via Prime Ideals

open access: yesJournal of Mathematics, Volume 2025, Issue 1, 2025.
Let R be a ring and P be a prime ideal of R. The aim of this research paper is to delve into the relationship between the structural properties of the quotient ring R/P and the behavior of generalized derivations in a ring R endowed with an involution.
Ali Yahya Hummdi   +4 more
wiley   +1 more source

On Jordan triple (σ,τ)-higher derivation of triangular algebra

open access: yesSpecial Matrices, 2018
Let R be a commutative ring with unity, A = Tri(A,M,B) be a triangular algebra consisting of unital algebras A,B and (A,B)-bimodule M which is faithful as a left A-module and also as a right B-module.
Ashraf Mohammad   +2 more
doaj   +1 more source

On Generalized Derivations and Commutativity of Associative Rings

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2020
Let 𝒭 be a ring with center Z(𝒭). A mapping f : 𝒭 → 𝒭 is said to be strong commutativity preserving (SCP) on 𝒭 if [f (x), f (y)] = [x, y] and is said to be strong anti-commutativity preserving (SACP) on 𝒭 if f (x) ◦ f (y) = x ◦ y for all x, y ∈𝒭.
Sandhu Gurninder S.   +2 more
doaj   +1 more source

A Note About the Nowicki Conjecture on Weitzenböck Derivations [PDF]

open access: yes, 2009
2000 Mathematics Subject Classification: 13N15, 13A50, 16W25.We reduce the Nowicki conjecture on Weitzenböck derivations of polynomial algebras to a well known problem of classical invariant ...
Bedratyuk, Leonid
core  

On Additivity and Multiplicativity of Centrally Extended (α, β)‐Higher Derivations in Rings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2024, Issue 1, 2024.
In this paper, the concept of centrally extended (α, β)‐higher derivations is studied. It is shown to be additive in a ring without nonzero central ideals. Also, we prove that in semiprime rings with no nonzero central ideals, every centrally extended (α, β)‐higher derivation is an (α, β)‐higher derivation.
O. H. Ezzat, Attila Gil nyi
wiley   +1 more source

Nonlinear generalized Jordan (σ, Γ)-derivations on triangular algebras

open access: yesSpecial Matrices, 2018
Let R be a commutative ring with identity element, A and B be unital algebras over R and let M be (A,B)-bimodule which is faithful as a left A-module and also faithful as a right B-module.
Alkenani Ahmad N.   +2 more
doaj   +1 more source

On the geometry underlying a real Lie algebra representation [PDF]

open access: yes, 2012
Let $G$ be a real Lie group with Lie algebra $\mathfrak g$. Given a unitary representation $\pi$ of $G$, one obtains by differentiation a representation $d\pi$ of $\mathfrak g$ by unbounded, skew-adjoint operators.
Le-Bert, Rodrigo Vargas
core  

A Note on Multiplicative (Generalized) (α, β)-Derivations in Prime Rings

open access: yesAnnales Mathematicae Silesianae, 2019
Let R be a prime ring with center Z(R). A map G : R →R is called a multiplicative (generalized) (α, β)-derivation if G(xy)= G(x)α(y)+β(x)g(y) is fulfilled for all x; y ∈ R, where g : R → R is any map (not necessarily derivation) and α; β : R → R are ...
Rehman Nadeem ur   +2 more
doaj   +1 more source

Semigroup ideal in Prime Near-Rings with Derivations

open access: yesمجلة بغداد للعلوم, 2011
In this paper we generalize some of the results due to Bell and Mason on a near-ring N admitting a derivation D , and we will show that the body of evidence on prime near-rings with derivations have the behavior of the ring.
Baghdad Science Journal
doaj   +1 more source

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