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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.GR2019
Presentations for the Euclidean Picard modular groups
David Polletta
Mark and Paupert devised a general method for obtaining presentations for arithmetic non-cocompact lattices, , in isometry groups of negatively curved symmetric spaces. The meth…