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Subdeterminants and subgraphs. (English) Zbl 0275.05117


MSC:

05C20 Directed graphs (digraphs), tournaments
05B20 Combinatorial aspects of matrices (incidence, Hadamard, etc.)
05C30 Enumeration in graph theory
15B36 Matrices of integers
05C99 Graph theory
15A45 Miscellaneous inequalities involving matrices
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