R. Spahn

3 citations · 3 across the 2 of their papers we have counts for

collaborators

2 papers

math.GR2021★ 3 cited

Braided Brin-Thompson Groups

Robert Spahn

We construct braided versions $s V_{b r}$ of the Brin-Thompson groups $s V$ and prove that they are of type $F_{\infty}$ . The proof involves showing that the matching complexes of color…

math.GR2020

The BNSR-invariants of the Stein group $F_{2, 3}$

Robert Spahn, Matthew C. B. Zaremsky

The Stein group $F_{2, 3}$ is the group of orientation-preserving homeomorphisms of the unit interval with slopes of the form $2^{p} 3^{q}$ ( $p, q \in Z$ ) and breakpoints in $\math…

Braided Brin-Thompson Groups

The BNSR-invariants of the Stein group F2,3​

The BNSR-invariants of the Stein group $F_{2, 3}$