https://doi.org/10.4169/college.math.j.47.1.67 • https://www.jstor.org/stable/10.4169/college.math.j.47.1.67 Copy URL ...
This is a preview. Log in through your library . Abstract The term "minimal nonplanar subgraph" of a graph G refers to a nonplanar subgraph N of G having the property that each proper subgraph of N is ...
One of the highlights in the Robertson-Seymour theory on graph minors is the finiteness (for each fixed surface S) of the set of the minimal forbidden minors for S. Theorem 7.0.1 (Robertson and ...
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