Michael C. Kopreski

activity

20182025

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2 papers · 1 filter

math.GT2024

Automorphisms of the sphere complex of an infinite graph

Thomas Hill, Michael C. Kopreski, Rebecca Rechkin +2

For a locally finite, connected graph $Γ$ , let $Map (Γ)$ denote the group of proper homotopy equivalences of $Γ$ up to proper homotopy. Excluding sporadic cases, we s…

math.GT2024

The asymptotic dimension of the grand arc graph is infinite

Michael C. Kopreski

Let $Σ$ be a compact, orientable surface of genus $g$ , and let $Γ$ be a relation on $π_{0} (\partial Σ)$ such that the prescribed arc graph $A (Σ, Γ)$ is Gromov-hyperbolic and…