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A ring which is a sum of two PI subrings is always a PI ring

Authors :
Marek Kȩpczyk
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