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Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

Sometimes only square matrices can be diagonalized


Author: Lawrence S. Levy
Journal: Proc. Amer. Math. Soc. 52 (1975), 18-22
MSC: Primary 16A64; Secondary 15A21
DOI: https://doi.org/10.1090/S0002-9939-1975-0376775-2
MathSciNet review: 0376775
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Abstract: It is proved that every SQUARE matrix over a serial ring is equivalent to some diagonal matrix, even though there are rectangular matrices over these rings which cannot be diagonalized.


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Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1975-0376775-2
Keywords: Matrix, matrix equivalence, diagonal matrices, generalized uniserial ring, serial ring, projective module
Article copyright: © Copyright 1975 American Mathematical Society