Perspectivity and cancellation in regular rings

Projective Modules

Irving Kaplansky · Annals of Mathematics · 1958 · 289 citations

On continuous rings and self injective rings

Yuzo Utumi · Transactions of the American Mathematical Society · 1965 · 167 citations · Full text

Natural Sciences, Mathematics, Algebra +7

On a class of regular rings that are elementary divisor rings

Melvin Henriksen · Archiv der Mathematik · 1973 · 82 citations

Natural Sciences, Mathematics, Algebra +11

Unit-regular rings

Gertrude Ehrlich · Portugaliae Mathematica · 1968 · 74 citations

Inverses and Zero Divisors in Matrix Rings

J. C. Shepherdson · Proceedings of the London Mathematical Society · 1951 · 54 citations

Natural Sciences, Mathematics, Algebra +11