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A ring which is a sum of two PI subrings is always a PI ring
- Source :
- Israel Journal of Mathematics. 221:481-487
- Publication Year :
- 2017
- Publisher :
- Springer Science and Business Media LLC, 2017.
-
Abstract
- We prove that a ring which is a sum of two PI subrings is a PI ring as well. This answers a question of K. I. Beidar and A. V. Mikhalev that has been open since 1995.
Details
- ISSN :
- 15658511 and 00212172
- Volume :
- 221
- Database :
- OpenAIRE
- Journal :
- Israel Journal of Mathematics
- Accession number :
- edsair.doi...........879d52ff2fb872cab76ecfc481bbcdfc
- Full Text :
- https://doi.org/10.1007/s11856-017-1554-3