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An Engel condition with two generalized derivations on Lie ideals of prime rings

    https://doi.org/10.1142/S0219498823501153Cited by:2 (Source: Crossref)

    Let R be a prime ring, let L be a noncentral Lie ideal of R and let g,h be two generalized derivations of R. In this paper, we characterize the structure of R and all possible forms of g and h such that [g(xm)xnxsh(xt),xr]k=0 for all xL, where m,n,s,t,r,k are fixed positive integers. With this, several known results can be either deduced or generalized. In particular, we give a Lie ideal version of the theorem obtained by Lee and Zhou in [An identity with generalized derivations, J. Algebra Appl. 8 (2009) 307–317] and describe a more complete version of the theorem recently obtained by Dhara and De Filippis in [Engel conditions of generalized derivations on left ideals and Lie ideals in prime rings, Comm. Algebra 48 (2020) 154–167].

    Communicated by D. Herbera

    AMSC: 16N60, 16W25, 16R50