Thin right-angled Coxeter subgroups of some uniform arithmetic lattices

Add to your list(s) Download to your calendar using vCal

• Sami Douba, McGill University and Paris-Saclay University
• Friday 19 November 2021, 16:00-17:00
• MR13.

If you have a question about this talk, please contact Macarena Arenas.

We sketch an argument that an irreducible right-angled Coxeter group on n>2 vertices embeds as a thin subgroup of a uniform arithmetic lattice in an indefinite orthogonal group O(p,q) for some p,q>0 satisfying p+q=n.

This talk is part of the Junior Geometry Seminar series.

This talk is included in these lists:

• All CMS events
• CMS Events
• DPMMS info aggregator
• Hanchen DaDaDash
• Interested Talks
• Junior Geometry Seminar
• MR13
• bld31

Note that ex-directory lists are not shown.