Article ID Journal Published Year Pages File Type
4624919 Advances in Applied Mathematics 2013 15 Pages PDF
Abstract
If E is a set of matroids, then EX(E) denotes the set of matroids that have no minor isomorphic to a member of E. If E′⊆E, we say that E′ is superfluous if EX(E−E′)−EX(E) contains only finitely many 3-connected matroids. We determine the superfluous subsets of six well-known collections of excluded minors.
Related Topics
Physical Sciences and Engineering Mathematics Applied Mathematics
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