Graph minors and minimum degree. Fijavž, Gašper, Wood, David R. (2010) The Electronic Journal of Combinatorics [electronic only]
Graphic Splitting of Cographic Matroids Naiyer Pirouz (2015) Discussiones Mathematicae Graph Theory In this paper, we obtain a forbidden minor characterization of a cographic matroid M for which the splitting matroid Mx,y is graphic for every pair x, y of elements of M.