31 citations · 149 across the 21 of their papers we have counts for
5 papers · 1 filter
Local convexity in CAT(κ)-spaces
Kai-Uwe Bux, Stefan Witzel
Heinrich Tietze has shown that for a closed connected subset of euclidean space being convex is a local property. We generalize this to CAT(0)-spaces and locally compact CAT(κ) spa…
The braided Thompson's groups are of type
Kai-Uwe Bux, Martin Fluch, Marco Marschler +2
We prove that the braided Thompson's groups and are of type , confirming a conjecture by John Meier. The proof involves showing that matching co…
The Brin-Thompson groups sV are of type F_\infty
Martin Fluch, Marco Marschler, Stefan Witzel +1
We prove that the Brin-Thompson groups sV, also called higher dimensional Thompson's groups, are of type F_\infty for all natural numbers s. This result was previously shown for s…
Brown's criterion in Bredon homology
Martin Fluch, Stefan Witzel
We translate Brown's criterion for homological finiteness properties to the setting of Bredon homology.
Abels's groups revisited
Stefan Witzel
We generalize a class of groups introduced by Herbert Abels to produce examples of virtually torsion free groups that have Bredon-finiteness length m-1 and classical finiteness len…