Results 31 to 37 of about 38 (37)

A guided tour through oriented matroid axioms

Acta Mathematicae Applicatae Sinica, 1993
Kern Walter, Bachem Achim, Achim Bachem   +2 more
exaly  

The acyclic sets of an oriented matroid

Journal of Combinatorial Theory Series B, 1984
Paul Edelman
exaly  

On the Cocircuit Graph of an Oriented Matroid

Discrete and Computational Geometry, 2000
exaly  

The positive Bergman complex of an oriented matroid

European Journal of Combinatorics, 2006
Federico Ardila
exaly  

On the chromatic number of an oriented matroid

Journal of Combinatorial Theory Series B, 2008
exaly  

The intersection of a matroid and an oriented matroid

Advances in Mathematics, 2016
exaly  

Axioms for maximal vectors of an oriented matroid; a combinatorial characterization of the regions determined by an arrangement of pseudohyperplanes

European Journal of Combinatorics, 1995
exaly