Abstract
We prove that if a semiprime ringR possesses a derivation which is integral over its extended centroidC and whose constants satisfy a polynomial identity, thenR itself is a PI-ring. This answers affirmatively a problem raised by M. Smith in 1975 and recently again by Bergen and Grzeszczuk [4].
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Chuang, CL., Lee, TK. Algebraic derivations with constants satisfying a polynomial identity. Isr. J. Math. 138, 43–60 (2003). https://doi.org/10.1007/BF02783418
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DOI: https://doi.org/10.1007/BF02783418