Planarity conjecture for quasi-transitive graphs quasi-isometric to minor-excluded graphs
Planarity conjecture for quasi-transitive graphs quasi-isometric to minor-excluded graphs
A graph is minor-excluded if some finite graph is not a minor of . Two graphs are quasi-isometric when their large-scale metric spaces are equivalent up to multiplicative and additive distortion. Planarity conjecture for minor-excluded quasi-isometry classes. Let be a connected, locally finite, quasi-transitive graph, and suppose is quasi-isometric to a minor-excluded graph. Then is quasi-isometric to a planar graph. The quasi-transitivity assumption is necessary, and this conjecture would imply the preceding accessibility conjecture; its verification for one-ended graphs would make the two conjectures equivalent.
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Primary source
Joseph Paul MacManus, “Accessibility, planar graphs, and quasi-isometries”, arXiv:2310.15242 (2026).
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