Vol. 47, No. 1, 1973

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ISSN: 0030-8730
Subdirect sum decompositions of endomorphism rings

John Joseph Hutchinson and Julius Martin Zelmanowitz

Vol. 47 (1973), No. 1, 129–134
Abstract

The main result of this paper is that if a ring R is an essential subdirect sum of prime rings and M is a torsionless R-module, then the endomorphism ring of M is also an essential subdirect sum of prime rings.

Mathematical Subject Classification
Primary: 16A42
Milestones
Received: 13 March 1972
Revised: 27 September 1972
Published: 1 July 1973
Authors
John Joseph Hutchinson
Julius Martin Zelmanowitz