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Cite Journal: SIAM Journal on Discrete Mathematics |  Publication Date: Jan 1, 2020 |
 Citations: 8 |
We prove that a minor-closed class of graphs has bounded layered pathwidth if and only if some apex-forest is not in the class. This generalises a theorem of Robertson and Seymour, which says that a minor-closed class of graphs has bounded pathwidth if and only if some forest is not in the class.
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