Author:
Burgess W. D.,Stephenson W.
Abstract
The aim of this paper is to give a number of characterizations of the rings of the title. In particular, these turn out to be precisely those exchange rings whose idempotents are all central. They are also those rings in which every element is the sum of a unit and a central idempotent.
Publisher
Canadian Mathematical Society
Cited by
42 articles.
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