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Found 59 Documents (Results 1–59)

Sign-nonsingular matrices and permanent conversion. (English) Zbl 0859.05028

Kilp, Mati (ed.) et al., Proceedings of the first Estonian conference on graphs and applications, dedicated to the 70th birthday of Professor Frank Harary, Tartu-Kääriku, Estonia, May 12-19, 1991. Tartu: Tartu University, 45-46 (1993).
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Homomorphisms on \(n\)-dimensional line digraphs. (English) Zbl 0832.05050

Yap, H. P. (ed.) et al., Combinatorics and graph theory. Proceedings of the spring school and international conference on combinatorics, held in Hefei, China, 6-27 April 1992. Singapore: World Scientific. 169-181 (1993).
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The combinatorial compound of a primitive matrix. (English) Zbl 0832.05083

Yap, H. P. (ed.) et al., Combinatorics and graph theory. Proceedings of the spring school and international conference on combinatorics, held in Hefei, China, 6-27 April 1992. Singapore: World Scientific. 95-100 (1993).
MSC:  05C50 05B20 05C20
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Random weighted Laplacians, Lovász minimum digraphs and finding minimum separators. (English) Zbl 0801.68125

Ramachandran, Vijaya (ed.), Discrete algorithms. Proceedings of the 4th annual ACM-SIAM symposium, held at Austin, TX, USA, January 25-27, 1993. Philadelphia, PA: SIAM. 31-40 (1993).
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