Document Type

Article

Publication Date

1-1-1989

Abstract

For r in {3, 4}, the class of binary matroids with no minor isomorphic to M(Wr), the rank-r wheel, has an easily described structure. This paper determines all graphs with no W5-minor and uses this to show that the class of regular matroids with no M(W5)-minor also has a relatively simple structure. © 1989.

Publication Source (Journal or Book title)

Journal of Combinatorial Theory, Series B

First Page

292

Last Page

305

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