THE UNIT SUM NUMBER OF SOME PROJECTIVE MODULES

DOI10.1017/S0017089507004041zbMath1132.16027MaRDI QIDQ5444668

Nahid Ashrafi

Publication date: 25 February 2008

Published in: Glasgow Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

endomorphism ringsprojective modulesperfect ringssums of unitsunit sum numbers

Mathematics Subject Classification ID

Endomorphism rings; matrix rings (16S50) Free, projective, and flat modules and ideals in associative algebras (16D40) Automorphisms and endomorphisms (16W20) Noncommutative local and semilocal rings, perfect rings (16L30) Units, groups of units (associative rings and algebras) (16U60)

Cites Work

• Every endomorphism of a local Warfield module of finite torsion-free rank is the sum of two automorphisms.
• Sums of automorphisms of free modules and completely decomposable groups.
• Endomorphism Rings Generated by Units
• On the unit sum number of some rings
• Every Linear Transformation is a Sum of Nonsingular Ones
• Unnamed Item

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