Coarse-convergence conjecture for Morse boundaries of hierarchically hyperbolic groups
Coarse-convergence conjecture for Morse boundaries of hierarchically hyperbolic groups
Let be a hierarchically hyperbolic group (HHG), and let be its Morse boundary. Assume that admits a largest acylindrical action. The topology on induced by this action is the topology of coarse convergence of hierarchy paths. Coarse-convergence conjecture. The topology on the Morse boundary of an HHG induced by its largest acylindrical action is the topology of coarse convergence of hierarchy paths. Largest acylindrical actions are known to exist for all hierarchically hyperbolic groups and to be -injective, but identifying the induced topology with coarse convergence of hierarchy paths remains open.
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Primary source
Carolyn Abbott and Merlin Incerti-Medici, “Hyperbolic projections and topological invariance of sublinearly Morse boundaries”, arXiv:2212.09539 (2022).
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