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Found 78 Documents (Results 1–78)

A modular theorem for matrices. (English) Zbl 0791.05013

Hoffman, Frederick (ed.) et al., Proceedings of the twenty-third Southeastern international conference on combinatorics, graph theory, and computing, held at Florida Atlantic University, Boca Raton, Fl, USA, February 3-7, 1992. Winnipeg: Utilitas Mathematica Publishing Inc.. Congr. Numerantium. 91, 219-221 (1992).
MSC:  05B20 20D15
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Minimum Boolean rank of tournament matrices. (English) Zbl 0789.05010

Hoffman, Frederick (ed.) et al., Proceedings of the twenty-third Southeastern international conference on combinatorics, graph theory, and computing, held at Florida Atlantic University, Boca Raton, Fl, USA, February 3-7, 1992. Winnipeg: Utilitas Mathematica Publishing Inc.. Congr. Numerantium. 91, 55-62 (1992).
MSC:  05B20
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The graph algebra of skew Hadamard determinants. (English) Zbl 0803.05010

Halász, G. (ed.) et al., Sets, graphs and numbers. A birthday salute to Vera T. Sós and András Hajnal. Amsterdam: North-Holland Publishing Company. Colloq. Math. Soc. János Bolyai. 60, 691-698 (1992).
MSC:  05B20 05C50 05C20
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Matrices equivalent to their transpose by permutations. (English) Zbl 0773.05030

Numerical mathematics and computing, Proc. 21st Manitoba Conf., Winnipeg/Can. 1991, Congr. Numerantium 86, 33-41 (1992).
MSC:  05B20
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