Minimality of the well-rounded retract

Abstract

We prove that the well-rounded retract of SO_n\SL_n(R) is a minimal SL_n(Z)-invariant spine.

Cited by in corpus (5)

• On the integral homology of PSL4(Z) and other arithmetic groups
• Geometric dimension of lattices in classical simple Lie groups
• Permutation invariant lattices
• Periodic maximal flats are not peripheral
• The dimension of Thurston's spine