On the existence of matrices with prescribed height and level characteristics

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D. Hershkowitz,A majorization relation between the height and the level characteristics, Linear Algebra Appl.125 (1989), 97–101.

D. Hershkowitz, U.G. Rothblum and H. Schneider,Characterizations and classifications of M-matrices using generalized nullspaces, Linear Algebra Appl.109 (1988), 59–69.

D. Hershkowitz, U.G. Rothblum and H. Schneider,The combinatorial structure of the generalized nullspace of a block triangular matrix, Linear Algebra Appl.116 (1989), 9–26.

D. Hershkowitz and H. Schneider,On the generalized nullspace of M-matrices and Z-matrices, Linear Algebra Appl.106 (1988), 5–23.

D. Hershkowitz and H. Schneider,Solutions of Z-matrix equations, Linear Algebra Appl.106 (1988), 25–38.

D. Hershkowitz and H. Schneider,Height bases, level bases, and the equality of the height and the level characteristics of an M-matrix, Linear Multilinear Alg.25 (1989), 149–171.

D. Hershkowitz and H. Schneider,Combinatorial bases, derived Jordan sets, and the equality of the height and the level characteristics of an M-matrix, Linear Multilinear Alg.29 (1991), 21–42.

D. Hershkowitz and H. Schneider,On the existence of matrices with prescribed height and level characteristics, CMS technical summary report 91-6, University of Wisconsin — Madison (1991).

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D.J. Richman and H. Schneider,On the singular graph and the Weyr characteristic of an M-matrix, Aequ. Math.17 (1978), 208–234.

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