An upgraded wheels-and-whirls theorem for 3-connected matroids
Let M be a 3-connected matroid that is not a wheel or a whirl. In this paper, we prove that M has an element e such that M\e or M/e is 3-connected and has no 3-separation that is not equivalent to one induced by M.
SubjectsField of Research::01 - Mathematical Sciences::0101 - Pure Mathematics::010104 - Combinatorics and Discrete Mathematics (excl. Physical Combinatorics)
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