2 papers
math.GR2021
Picard modular groups generated by complex reflections
Alice Mark, Julien Paupert, David Polletta
In this short note we use the presentations found in \cite{MP} and \cite{Po} to show that the Picard modular groups with (respectively the q…
math.GT2010
Census of the complex hyperbolic sporadic triangle groups
Martin Deraux, John R. Parker, Julien Paupert
The goal of this paper is to give a conjectural census of complex hyperbolic sporadic groups. We prove that only finitely many of these sporadic groups are lattices. We also give a…