Showing 2025 · math.GRShow all
2 papers · 2 filters
math.GR2025
Boundary actions of CAT(0) spaces: topological freeness and applications to -algebras
Xin Ma, Daxun Wang, Wenyuan Yang
In this paper, we study topological dynamics on the visual boundary and several combinatorial boundaries associated to spaces. Through verifying the freenes…
math.GR2025
On acylindrical tree actions and outer automorphism group of Baumslag-Solitar groups
Bratati Som, Daxun Wang
This paper explores acylindrical actions on trees, building on previous works related to the mapping class group and projection complexes. We demonstrate that the quotient action o…