Article ID Journal Published Year Pages File Type
5143554 Journal of Taibah University for Science 2017 7 Pages PDF
Abstract
Suppose that R is a 2-torsion free prime ring and Φ:R×R→R is a left two variable σ-derivation such that σ is a monomorphism, Φ(R×R)⊆σ(R), and [σ(b) − b, x] = 0 for all b∈I and x∈R, where I is an arbitrary fixed non-zero ideal of R. Moreover, assume that I⊆σ(I) or σ(I) is an ideal of R. If [σ(a),Φ(a,x)]∈Z(R) for all a∈I and x∈R, then either R is commutative or Φ is zero.
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Physical Sciences and Engineering Chemistry Chemistry (General)
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