Showing math.GRShow all
2 papers · 1 filter
math.GR2025
Some questions related to free-by-cyclic groups and tubular groups
Xiaolei Wu, Shengkui Ye
We prove that a CAT(0) free-by-cyclic tubular group with one vertex is virtually special, but many of them cannot virtually act freely and cocompactly on CAT(0) cube complexes. Thi…
math.GR2025
Splittings and poly-freeness of triangle Artin groups
Xiaolei Wu, Shengkui Ye
We prove that the triangle Artin group splits as a graph of free groups if and only if is greater than and even. This answers two questions of Jankiewi…