Symmetry and positive definiteness in oriented matroids

DOI10.1016/S0195-6698(88)80036-2zbMath0649.05023OpenAlexW2056997158MaRDI QIDQ1105613

Michael J. Todd, Walter D. jun. Morris

Publication date: 1988

Published in: European Journal of Combinatorics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0195-6698(88)80036-2

zbMATH Keywords

symmetryeigenvaluespositive definitenessmatricesoriented matroids

Mathematics Subject Classification ID

Combinatorial aspects of matroids and geometric lattices (05B35)

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Cites Work

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• Convexity in oriented matroids
• Oriented matroids
• Orientability of matroids
• A combinatorial abstraction of linear programming
• Bases in oriented matroids
• Some generalizations of positive definiteness and monotonicity
• Complementarity in Oriented Matroids