ArXiv papers   

Google Scholar Citation profile   


Gauss sums
Essay (2023)   


Enhanced hyperbolicity
Oberwolfach Reports (2015)   

Fredholm modules and boundary actions of hyperbolic groups
Oberwolfach Reports (2011)   


Group quasimorphisms
Notes for a seminar talk, Vanderbilt University (2006, revised 2008)   

Zeta(3)
Number theory project, McGill University (2002, revised 2009)