On singleton 1-rounded sets of matroids
The aim of this paper is to show that there are exactly eight connected matroids N with the property that if M is a connected matroid having N as a minor and x is an element of M, then M has a minor isomorphic to N which contains x in its ground set. © 1984.
Publication Source (Journal or Book title)
Journal of Combinatorial Theory, Series B
Oxley, J. (1984). On singleton 1-rounded sets of matroids. Journal of Combinatorial Theory, Series B, 37 (2), 189-197. https://doi.org/10.1016/0095-8956(84)90071-6