Accessibility conjecture for quasi-transitive graphs quasi-isometric to minor-excluded graphs
Accessibility 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 . A graph is accessible if it admits a finite decomposition over finite separators with pieces having at most one end. Accessibility 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 accessible. This is motivated by the known accessibility of connected, locally finite, quasi-transitive minor-excluded graphs and remains open under the stated quasi-isometry hypothesis.
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Primary source
Joseph Paul MacManus, “Accessibility, planar graphs, and quasi-isometries”, arXiv:2310.15242 (2026).
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