Derivations in prime rings

Jeffrey Bergen
1983 Canadian mathematical bulletin  
Let R be a prime ring with characteristic not 2 and U, a nonzero ideal of R. Let σ, τ, α, β, λ, μ : R −→ R automorphisms. In this paper we proved that, (1) Let d : Mathematics Subject Classification: 16W25, 16U80
doi:10.4153/cmb-1983-042-2 fatcat:333se2pionhzxjdoarwtybcnle