Richard Canary
Lizhen Ji>
Gopal Prasad
Ralf Spatzier



Thin Groups

April 25 – 27, 2014

Room B844, East Hall

University of Michigan
Ann Arbor, MI


Schedule (pdf)

The conference will begin at 1:00 pm on April 25, 2014 and finish by 1:00 PM on April 27, 2014.

The workshop will feature several lecture series as well as individual talks given by

Emmanuel Breuillard (Orsay)

Elena Fuchs (Berkeley)

Shinn-Yih Huang (Yale)

Alex Kontorovich (Yale)

Hee Oh (Yale)

Peter Sarnak (Princeton)

Dale Winter (Brown)

Xin Zhang (Stony Brook)

Thin groups are discrete subgroups of Lie groups which are not lattices but are Zariski dense. They have found great interest and amazing applications in number theory, arithmetic combinatorics, geometry and dynamics. Topics include spectral gaps, Apollonian circle packings, strong approximation, approximate groups amongst others.

Titles & Abstracts (pdf)


Limited funding is available for graduate students and post-docs.
Please note your request on the registration form.

Register for the Workshop


National Science Foundation RTG Grant 1045119
Department of Mathematics at the University of Michigan

For website problems, contact Webmaster


Department of Mathematics   |   2074 East Hall   |   530 Church Street  
Ann Arbor, MI 48109-1043
Phone: 734.764-0335   |   Fax: 734.763-0937

The page last modified Monday, 22-May-2017 15:21:10 EDT
Site errors should be directed to