Abstract
LetB andQ be associative algebras and letS be a Jordan subalgebra ofB. Letf(x 1,…,x m ) be a (noncommutative) multilinear polynomial such thatS is closed underf. Letα:S→Q be anf-homomorphism in the sense that it is a linear map preservingf. Under suitable conditions it is shown thatα is essentially given by a ring homomorphism. An analogous theorem forf-derivations is also proved. The proofs rest heavily on results concerning functional identities andd-freeness.
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The second author was partially supported by a grant from the Ministry of Science of Slovenia.
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Beidar, K.I., Brešar, M., Chebotar, M.A. et al. Polynomial preserving maps on certain Jordan algebras. Isr. J. Math. 141, 285–313 (2004). https://doi.org/10.1007/BF02772225
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DOI: https://doi.org/10.1007/BF02772225