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math.GT2020
Coarse -Boundaries for Groups
Craig R. Guilbault, Molly A. Moran
We generalize Bestvina's notion of a -boundary for a group to that of a "coarse -boundary." We show that established theorems about -boundari…
math.GT2020
Compressible Spaces and -Structures
Craig Guilbault, Molly Moran, Kevin Schreve
Bestvina introduced a -structure for a group to generalize the boundary of a CAT(0) or hyperbolic group. A refinement of this notion, introduced by Farrell and Laf…