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2020-12-21
The family of bicircular matroids closed under duality
Vaidy SivaramanDaniel Slilaty
文献摘要
We characterize the 3-connected members of the intersection of the class of bicircular and cobicircular matroids. Aside from some exceptional matroids with rank and corank at most 5, this class consists of just the free swirls and their minors.
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