Provan, J. Scott; Billera, Louis J. Leontief substitution systems and matroid complexes. (English) Zbl 0499.90054 Math. Oper. Res. 7, 81-87 (1982). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 90C08 Special problems of linear programming (transportation, multi-index, data envelopment analysis, etc.) 91B66 Multisectoral models in economics 05B35 Combinatorial aspects of matroids and geometric lattices Keywords:Leontief substitution system; face structure; dual simplicial complex; matroid PDFBibTeX XMLCite \textit{J. S. Provan} and \textit{L. J. Billera}, Math. Oper. Res. 7, 81--87 (1982; Zbl 0499.90054) Full Text: DOI