161 citations · 918 across the 69 of their papers we have counts for
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math.GR2006
On geometric flats in the {} realization of Coxeter groups and Tits buildings
Pierre-Emmanuel Caprace, Frédéric Haglund
Given a complete CAT(0) space endowed with a geometric action of a group , it is known that if contains a free abelian group of rank , then contains a geometric f…
math.GR2006★ 94 cited
Simplicity and superrigidity of twin building lattices
Pierre-Emmanuel Caprace, Bertrand Remy
Kac-Moody groups over finite fields are finitely generated groups. Most of them can naturally be viewed as irreducible lattices in products of two closed automorphism groups of non…