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On the Cocircuit Graph of an Oriented Matroid

โœ Scribed by Cordovil, R.; Fukuda, K.; Guedes de Oliveira, A.

Book ID
118786302
Publisher
Springer
Year
2000
Tongue
English
Weight
76 KB
Volume
24
Category
Article
ISSN
0179-5376

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We consider the cocircuit graph G M of an oriented matroid M, which is the 1-skeleton of the cell complex formed by the span of the cocircuits of M. As a result of Cordovil, Fukuda, and Guedes de Oliveira, the isomorphism class of M is not determined by G M , but it is determined if M is uniform and