Journal of the Australian Mathematical Society · 1977 · 122 citations · 11 references
Natural SciencesMathematicsAlgebraAbstract AlgebraGroup TheoryMatrix ComputationMatrix StructureToeplitz OperatorsTransformation Groups
Abstract Necessary and sufficient sonditions are given for the existence of the group and Drazin inverses of bidiagonal and triangular Toeplitz matrices over an arbitrary ring.
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Pseudo-Inverses in Associative Rings and Semigroups
Michael P. Drazin · American Mathematical Monthly · 1958 · 698 citations
Robert E. Hartwig · Archive for Rational Mechanics and Analysis · 1976 · 190 citations