On the Structure of 3-connected Matroids
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James Oxley; Haidong Wu
📂
Article
📅
2000
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Elsevier Science
🌐
English
⚖ 249 KB
An element e of a 3-connected matroid M is essential if neither the deletion M\e nor the contraction M/e is 3-connected. Tutte's Wheels and Whirls Theorem proves that the only 3-connected matroids in which every element is essential are the wheels and whirls. In this paper, we consider those 3-conne