Infinite anitchains of matroids with characteristics set {p}
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University of Canterbury. Mathematics and Statistics.
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2002
Authors
Oxley, J.
Semple, C.
Vertigan, D.
Whittle, G.
Abstract
For each prime p, we construct an infinite antichain of matroids in which each matroid has characteristic set fpg. For p = 2, each of the matroids in our antichain is an excluded minor for the class of matroids representable over the rationals.
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Citation
Oxley, J., Semple, C., Vertigan, D., Whittle, G. (2002) Infinite anitchains of matroids with characteristics set {p}. Discrete Mathematics, 242, pp. 175-185.