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Matroid Generalizations Of Some Graph Results, Cameron Crenshaw
Matroid Generalizations Of Some Graph Results, Cameron Crenshaw
LSU Doctoral Dissertations
The edges of a graph have natural cyclic orderings. We investigate the matroids for which a similar cyclic ordering of the circuits is possible. A full characterization of the non-binary matroids with this property is given. Evidence of the difficulty of this problem for binary matroids is presented, along with a partial result for binary orderable matroids.
For a graph G, the ratio of |E(G)| to the minimum degree of G has a natural lower bound. For a matroid M that is representable over a finite field, we generalize this to a lower bound on …