A note on rings with projective socle. (English) Zbl 0865.16008
The reviewer [Riv. Mat. Univ. Parma, V. Ser. 1, 311-315 (1992; Zbl 0806.16004)] asked if there is a right hereditary ring for which the left socle is not projective. In this paper, the author presents such an example.
Reviewer: Xue Weimin (Fouzhou)
MSC:
16E60 | Semihereditary and hereditary rings, free ideal rings, Sylvester rings, etc. |