Counting \(d\)-dimensional hyperinvariant subspaces of a Weyr matrix. (English) Zbl 1329.15008
Summary: A characterization of hyperinvariant subspaces is given in terms of Weyr characteristic. Using this characterization we compute the number of the \(d\)-dimensional hyperinvariant subspaces.
MSC:
15A03 | Vector spaces, linear dependence, rank, lineability |
15B99 | Special matrices |
15A18 | Eigenvalues, singular values, and eigenvectors |
References:
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[5] | O’Meara, K. C.; Clark, J.; Vinsonhaler, C. I., Advanced Topics in Linear Algebra: Weaving Matrix Problems Through the Weyr Form (2011), Oxford University Press: Oxford University Press Oxford · Zbl 1235.15013 |
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