March 1994
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74 Reads
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466 Citations
The Mathematical Gazette
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March 1994
·
74 Reads
·
466 Citations
The Mathematical Gazette
... There are several other reasons to justify the interest in studying MSDs. One of them is the relationship between MSDs and nearly reducible (0, 1)-matrices (via the adjacency matrix; see, for instance, [3,4]) and the non-negative inverse eigenvalue problem (see [5]): given real numbers k 1 , k 2 , . . . , k n , find the necessary and sufficient conditions for the existence of a non-negative matrix A of order n with characteristic polynomial x n + k 1 x n−1 + k 2 x n−2 + · · · + k n . ...
March 1994
The Mathematical Gazette