The inclusion of the simplicial boundary of Outer space into its 2-bond thickening is (2n-3)-connected, with all non-contractible fibres concentrated over theta graphs.
The topology at infinity ofOut(Fn)
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Bond thickenings of the simplicial boundary of Outer space
The inclusion of the simplicial boundary of Outer space into its 2-bond thickening is (2n-3)-connected, with all non-contractible fibres concentrated over theta graphs.