ANOTHER CRITERION FOR A RING TO BE PROJECTIVE-FREE

DOI10.1112/S0024609305004893zbMath1104.16001OpenAlexW2011957225MaRDI QIDQ3375328

Paul M. Cohn

Publication date: 8 March 2006

Published in: Bulletin of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/s0024609305004893

zbMATH Keywords

projective modulesidempotent matricesprojective-free ringsfull matricesinvariant basis numbers

Mathematics Subject Classification ID

Endomorphism rings; matrix rings (16S50) Free, projective, and flat modules and ideals in associative algebras (16D40)

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Leavitt path algebras having unbounded generating number ⋮ Commutators and Anti-Commutators of Idempotents in Rings

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