Title

Towards a splitter theorem for internally 4-connected binary matroids III

Document Type

Article

Publication Date

7-1-2013

Abstract

This paper proves a preliminary step towards a splitter theorem for internally 4-connected binary matroids. In particular, we show that, provided M or M* is not a cubic Möbius or planar ladder or a certain coextension thereof, an internally 4-connected binary matroid M with an internally 4-connected proper minor N either has a proper internally 4-connected minor M′ with an N-minor such that |E(M)-E(M′)|≤3 or has, up to duality, a triangle T and an element e of T such that M\e has an N-minor and has the property that one side of every 3-separation is a fan with at most four elements. © 2013 Elsevier Inc.

Publication Source (Journal or Book title)

Advances in Applied Mathematics

First Page

309

Last Page

344

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