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On a Theorem of Burgess and Stephenson
Published online by Cambridge University Press: 06 December 2018
Abstract
A theorem of Burgess and Stephenson asserts that in an exchange ring with central idempotents, every maximal left ideal is also a right ideal. The proof uses sheaf-theoretic techniques. In this paper, we give a short elementary proof of this important theorem.
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- © Canadian Mathematical Society 2018
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