An inverse matrix of an upper triangular matrix can be lower triangular

DOI10.7151/dmgaa.1055zbMath1031.15006OpenAlexW2330160492MaRDI QIDQ4430924

Waldemar Hołubowski

Publication date: 13 October 2003

Published in: Discussiones Mathematicae - General Algebra and Applications (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/ef99844ba2b5c577fb19e0b3f42bce694d67f41d

zbMATH Keywords

upper triangular matricescommutative ringinvertible matrixgroup of matricesDedekind finite ring

Mathematics Subject Classification ID

Theory of matrix inversion and generalized inverses (15A09) Other matrix groups over rings (20H25) Algebraic systems of matrices (15A30)

Related Items (2)

A note on commutators in the group of infinite triangular matrices over a ring ⋮ Commutators and powers of infinite unitriangular matrices.

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