The following question of Lanski is answered positively in the case wh
en a ring R with involution is Noetherian with respect to two-sided
-ideals. Let R be a ring with * and invertible 2, and let SBAR be the
subring of R generated by the symmetric elements in R . Does any left
R-module have the same Krull dimension when considered as an R-module
and SBAR-module?