Drazin invertibility for matrices over an arbitrary ring

Pseudo-Inverses in Associative Rings and Semigroups

Michael P. Drazin · American Mathematical Monthly · 1958 · 672 citations

Topological Semigroups, Abstract Algebra, Associative Rings +4

Pseudo-Inverses in Associative Rings and Semigroups

Michael P. Drazin · American Mathematical Monthly · 1958 · 291 citations

Topological Semigroups, Transformation Semigroups, Associative Rings +1

Group inverses and Drazin inverses of bidiagonal and triangular Toeqlitz matrices

Robert E. Hartwig, James M. Shoaf · Journal of the Australian Mathematical Society · 1977 · 118 citations · Full text

Spectral Theory, Coxeter Group, Triangular Toeplitz Matrices +12

Generalized inverses over integral domains

R.B. Bapat, K. P. S. Bhaskara Rao, K. Manjunatha Prasad · Linear Algebra and its Applications · 1990 · 82 citations

Integral Domains, Domain Theory, Generalized Function +3

The group inverse of a companion matrix

Roland Puystjens, R. E. Hartwig · Linear and Multilinear Algebra · 1997 · 53 citations

Abstract Algebra, Representation Theory, Commutative Algebra +10