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More on structure-ranks of matrices - MaRDI portal

More on structure-ranks of matrices (Q2365684)

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More on structure-ranks of matrices
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    More on structure-ranks of matrices (English)
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    29 June 1993
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    The structure-rank of a matrix is the largest rank of a submatrix which avoids a certain set of entries. The sets of entries are characterized for which [as \textit{M. Fiedler} ibid. 179, 119-127 (1993)] proved for the main diagonal) the structure-rank of a matrix equals that of its inverse.
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    inverse
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    minor
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    difference rank
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    structure-rank
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