International Journal of Mathematics and Mathematical Sciences
Volume 17 (1994), Issue 3, Pages 617-618
doi:10.1155/S0161171294000888

Semiprime SF-rings whose essential left ideals are two-sided

Zhang Jule and Du Xhianneng

Anhui Normal University, Wuhu 241000, China

Received 21 April 1992

Copyright © 1994 Zhang Jule and Du Xhianneng. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

It is proved that if R is a semiprime ELT-ring and every simple right R-module is flat then R is regular. Is R regular if R is a semiprime ELT-ring and every simple right R-module is flat? In this note, we give a positive answer to the question.