Accessibility conjecture for quasi-transitive graphs quasi-isometric to minor-excluded graphs

From papers

A graph Γ\Gamma is minor-excluded if some finite graph is not a minor of Γ\Gamma. 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 Γ\Gamma be a connected, locally finite, quasi-transitive graph, and suppose Γ\Gamma is quasi-isometric to a minor-excluded graph. Then Γ\Gamma 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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Sources & referencesView supporting material

Primary source

Joseph Paul MacManus, “Accessibility, planar graphs, and quasi-isometries”, arXiv:2310.15242 (2026).

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