2011/06/06 by Kolja Knauer, Knauer, Kolja, Juan Jose Montellano-Ballesteros +3
Mathematics · #Combinatorics (math.CO) #FOS: Mathematics #math.CO
paper · pdf · doi:10.48550/arxiv.1106.1038
6 pages
arxiv created 2011/06/06 · arxiv updated 2011/06/07
We characterize which systems of sign vectors are the cocircuits of an oriented matroid in terms of the cocircuit graph.