On some properties of circulant matrices |
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| Authors: | Paolo Zellini |
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| Affiliation: | Istituto di Scienze dell''Informazione Università di Pisa Pisa, Italy |
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| Abstract: | A class Σ of matrices is studied which contains, as special subclasses, p-circulant matrices (p ? 1), Toeplitz symmetric matrices and the inverses of some special tridiagonal matrices. We give a necessary and sufficient condition in order that matrices of Σ commute with each other and are closed with respect to matrix product. |
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