Year: 2021
Type: preprint
Abstract: For a class of arithmetic subgroups $Γ$ in SU(d,1) we prove that for every positive integer $n$ there exists a subgroup $Γ_n$ of finite index in $Γ$, which lifts to the $n$-fold connected cover of of SU(d,1). Consequently $Γ_n$ has a multiplier system of weight $\frac{1}{n}$.
Source: arXiv (Cornell University)
Author: Hill, Richard M.
Institution: University College London
Language: English
Subfield: Mathematical Physics
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W3191852679