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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.GR2017★ 5 cited
Presentations for cusped arithmetic hyperbolic lattices
Alice Mark, Julien Paupert
We present a general method to compute a presentation for any cusped arithmetic hyperbolic lattice , applying a classical result of Macbeath to a suitable -invariant horoball…