2 papers
math.GR2026
Virtual inheritance properties of graph products
Xiaoming Huang, Xiaolei Wu, Shengkui Ye
We prove that many virtual properties are closed under taking graph products, including: virtually RFRS, virtually (compact) special, virtually CAT(0) cube, and virtually normally…
math.GR2026
SL(3,Z) is not Howson
Shengkui Ye, Qiang Zhang
We give an explicit construction of two -generated subgroups $H,K\leq \SL(3,\Z)$ whose intersection is not finitely generated. The construction takes place inside the standard p…