GENERALIZED DERIVATIONS IN RINGS ON LIE IDEALS WITH BANACH ALGEBRAS
DOI:
https://doi.org/10.24297/jam.v11i1.1297Keywords:
Banach algebras, Generalized derivations, Martindale ring of quotients, Prime and semiprime rings, Radical, Lie ideal.Abstract
Let R be a prime ring of characteristic dierent from 2, L a non-central Lie ideal of R, and m; n xed positive integers. If R admits a generalized derivation F associated with a deviation d such that F(u)2)m -(F(u))2n ϵZ(R) for all u ϵ L, then R satises S4 , the standard identity in four variables. Moreover, we also examine the case when R is semiprime ring. Finally, as an application we obtain some range inclusion results of continuous or spectrallybounded generalized derivations on Banach algebras.
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