Let R be a prime ring whose characteristic is not equal to 2, let U be the Utumi quotient ring of R, and let C be the extended centroid of R. Also let G and H be two generalized derivations on R and let f(x1, . . . ,xn) be a noncentral multilinear polynomial over C. If G(H(u2)) = (H(u))2 for all u = f(r1, . . . , rn), r1, . . . , rn ∈ R, then one of the following holds:
(i) H = 0;
(ii) there exists λ ∈ C such that G(x) = H(x) = λx for all x ∈ R;
(iii) there exist λ ∈ C and a ∈ U such that H(x) = λx and G(x) = [a, x]+λx for all x ∈ R and f(x1, . . . ,xn)2 is central-valued on R..
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Published in Ukrains’kyi Matematychnyi Zhurnal, Vol. 74, No. 7, pp. 991–1003, July, 2022. Ukrainian DOI: https://doi.org/10.37863/umzh.v74i7.6108.
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Tiwari, S.K., Prajapati, B. Generalized Derivations Acting on Multilinear Polynomials as Jordan Homomorphisms. Ukr Math J 74, 1134–1148 (2022). https://doi.org/10.1007/s11253-022-02125-y
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DOI: https://doi.org/10.1007/s11253-022-02125-y