Seminar series
Date
Tue, 28 May 2013
17:00
17:00
Location
L2
Speaker
Yves Cornulier
Organisation
Orsay
We will first recall the known notion of commensurating actions
and its link to actions on CAT(0) cube complexes. We define a
group to have Property FW if every isometric action on a CAT(0)
cube complex has a fixed point. We conjecture that every
irreducible lattice in a semisimple Lie group of higher rank has
Property FW, and will give some instances beyond the trivial
case of Kazhdan groups.